diff --git a/clang/lib/AST/VTableBuilder.cpp b/clang/lib/AST/VTableBuilder.cpp
--- a/clang/lib/AST/VTableBuilder.cpp
+++ b/clang/lib/AST/VTableBuilder.cpp
@@ -17,6 +17,7 @@
 #include "clang/AST/RecordLayout.h"
 #include "clang/Basic/TargetInfo.h"
 #include "llvm/ADT/SetOperations.h"
+#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/llvm/include/llvm/AsmParser/LLParser.h b/llvm/include/llvm/AsmParser/LLParser.h
--- a/llvm/include/llvm/AsmParser/LLParser.h
+++ b/llvm/include/llvm/AsmParser/LLParser.h
@@ -14,18 +14,25 @@
 #define LLVM_ASMPARSER_LLPARSER_H
 
 #include "LLLexer.h"
-#include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/AsmParser/Parser.h"
 #include "llvm/IR/Attributes.h"
+#include "llvm/IR/FMF.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/ModuleSummaryIndex.h"
-#include "llvm/IR/Operator.h"
-#include "llvm/IR/Type.h"
 #include <map>
 
 namespace llvm {
   class Module;
+  class ConstantRange;
+  class FunctionType;
+  class GlobalObject;
+  class SMDiagnostic;
+  class SMLoc;
+  class SourceMgr;
+  class Type;
+  struct MaybeAlign;
+  template <typename T> class Optional;
   class Function;
   class Value;
   class BasicBlock;
diff --git a/llvm/include/llvm/AsmParser/Parser.h b/llvm/include/llvm/AsmParser/Parser.h
--- a/llvm/include/llvm/AsmParser/Parser.h
+++ b/llvm/include/llvm/AsmParser/Parser.h
@@ -13,7 +13,9 @@
 #ifndef LLVM_ASMPARSER_PARSER_H
 #define LLVM_ASMPARSER_PARSER_H
 
-#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/STLForwardCompat.h"
+#include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include <memory>
 
diff --git a/llvm/include/llvm/Bitcode/BitcodeWriter.h b/llvm/include/llvm/Bitcode/BitcodeWriter.h
--- a/llvm/include/llvm/Bitcode/BitcodeWriter.h
+++ b/llvm/include/llvm/Bitcode/BitcodeWriter.h
@@ -17,7 +17,7 @@
 #include "llvm/IR/ModuleSummaryIndex.h"
 #include "llvm/MC/StringTableBuilder.h"
 #include "llvm/Support/Allocator.h"
-#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/MemoryBufferRef.h"
 #include <map>
 #include <memory>
 #include <string>
diff --git a/llvm/include/llvm/Bitcode/BitcodeWriterPass.h b/llvm/include/llvm/Bitcode/BitcodeWriterPass.h
--- a/llvm/include/llvm/Bitcode/BitcodeWriterPass.h
+++ b/llvm/include/llvm/Bitcode/BitcodeWriterPass.h
@@ -14,7 +14,6 @@
 #ifndef LLVM_BITCODE_BITCODEWRITERPASS_H
 #define LLVM_BITCODE_BITCODEWRITERPASS_H
 
-#include "llvm/ADT/StringRef.h"
 #include "llvm/IR/PassManager.h"
 
 namespace llvm {
diff --git a/llvm/include/llvm/CodeGen/AccelTable.h b/llvm/include/llvm/CodeGen/AccelTable.h
--- a/llvm/include/llvm/CodeGen/AccelTable.h
+++ b/llvm/include/llvm/CodeGen/AccelTable.h
@@ -14,19 +14,15 @@
 #define LLVM_CODEGEN_ACCELTABLE_H
 
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/DIE.h"
 #include "llvm/CodeGen/DwarfStringPoolEntry.h"
-#include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/DJB.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/Format.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cstddef>
 #include <cstdint>
 #include <vector>
 
@@ -108,6 +104,8 @@
 class AsmPrinter;
 class DwarfCompileUnit;
 class DwarfDebug;
+class MCSymbol;
+class raw_ostream;
 
 /// Interface which the different types of accelerator table data have to
 /// conform. It serves as a base class for different values of the template
diff --git a/llvm/include/llvm/CodeGen/AsmPrinter.h b/llvm/include/llvm/CodeGen/AsmPrinter.h
--- a/llvm/include/llvm/CodeGen/AsmPrinter.h
+++ b/llvm/include/llvm/CodeGen/AsmPrinter.h
@@ -22,9 +22,7 @@
 #include "llvm/CodeGen/DwarfStringPoolEntry.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/IR/InlineAsm.h"
-#include "llvm/IR/LLVMContext.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/SourceMgr.h"
 #include <cstdint>
 #include <memory>
 #include <utility>
diff --git a/llvm/include/llvm/CodeGen/DbgEntityHistoryCalculator.h b/llvm/include/llvm/CodeGen/DbgEntityHistoryCalculator.h
--- a/llvm/include/llvm/CodeGen/DbgEntityHistoryCalculator.h
+++ b/llvm/include/llvm/CodeGen/DbgEntityHistoryCalculator.h
@@ -12,12 +12,12 @@
 #include "llvm/ADT/MapVector.h"
 #include "llvm/ADT/PointerIntPair.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/CodeGen/LexicalScopes.h"
 #include <utility>
 
 namespace llvm {
 
 class DILocation;
+class LexicalScopes;
 class DINode;
 class MachineFunction;
 class MachineInstr;
diff --git a/llvm/include/llvm/CodeGen/FastISel.h b/llvm/include/llvm/CodeGen/FastISel.h
--- a/llvm/include/llvm/CodeGen/FastISel.h
+++ b/llvm/include/llvm/CodeGen/FastISel.h
@@ -24,15 +24,15 @@
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/InstrTypes.h"
-#include "llvm/IR/IntrinsicInst.h"
 #include "llvm/Support/MachineValueType.h"
-#include <algorithm>
 #include <cstdint>
 #include <utility>
 
 namespace llvm {
 
 class AllocaInst;
+class Instruction;
+class IntrinsicInst;
 class BasicBlock;
 class CallInst;
 class Constant;
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/CSEMIRBuilder.h b/llvm/include/llvm/CodeGen/GlobalISel/CSEMIRBuilder.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/CSEMIRBuilder.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/CSEMIRBuilder.h
@@ -13,10 +13,10 @@
 #define LLVM_CODEGEN_GLOBALISEL_CSEMIRBUILDER_H
 
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
-#include "llvm/CodeGen/GlobalISel/Utils.h"
 
 namespace llvm {
 
+class GISelInstProfileBuilder;
 /// Defines a builder that does CSE of MachineInstructions using GISelCSEInfo.
 /// Eg usage.
 ///
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/Combiner.h b/llvm/include/llvm/CodeGen/GlobalISel/Combiner.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/Combiner.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/Combiner.h
@@ -15,7 +15,6 @@
 #define LLVM_CODEGEN_GLOBALISEL_COMBINER_H
 
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
 
 namespace llvm {
 class MachineRegisterInfo;
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h b/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
@@ -17,16 +17,20 @@
 #ifndef LLVM_CODEGEN_GLOBALISEL_COMBINERHELPER_H
 #define LLVM_CODEGEN_GLOBALISEL_COMBINERHELPER_H
 
-#include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
-#include "llvm/CodeGen/LowLevelType.h"
+#include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/Register.h"
-#include "llvm/Support/Alignment.h"
+#include "llvm/Support/LowLevelTypeImpl.h"
+#include <functional>
 
 namespace llvm {
 
 class GISelChangeObserver;
+class APFloat;
+class APInt;
+class GPtrAdd;
+class GStore;
+class GZExtLoad;
 class MachineIRBuilder;
 class MachineInstrBuilder;
 class MachineRegisterInfo;
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/IRTranslator.h b/llvm/include/llvm/CodeGen/GlobalISel/IRTranslator.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/IRTranslator.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/IRTranslator.h
@@ -22,11 +22,10 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/CodeGenCommonISel.h"
 #include "llvm/CodeGen/FunctionLoweringInfo.h"
-#include "llvm/CodeGen/GlobalISel/CSEMIRBuilder.h"
+#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/SwiftErrorValueTracking.h"
 #include "llvm/CodeGen/SwitchLoweringUtils.h"
-#include "llvm/IR/Intrinsics.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/CodeGen.h"
 #include <memory>
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelect.h b/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelect.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelect.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelect.h
@@ -13,8 +13,10 @@
 #ifndef LLVM_CODEGEN_GLOBALISEL_INSTRUCTIONSELECT_H
 #define LLVM_CODEGEN_GLOBALISEL_INSTRUCTIONSELECT_H
 
-#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/Support/CodeGen.h"
 
 namespace llvm {
 
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelector.h b/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
@@ -18,12 +18,9 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/Analysis/BlockFrequencyInfo.h"
-#include "llvm/Analysis/ProfileSummaryInfo.h"
 #include "llvm/CodeGen/GlobalISel/Utils.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/Support/CodeGenCoverage.h"
+#include "llvm/IR/Function.h"
 #include "llvm/Support/LowLevelTypeImpl.h"
 #include <bitset>
 #include <cstddef>
@@ -34,6 +31,10 @@
 
 namespace llvm {
 
+class BlockFrequencyInfo;
+class CodeGenCoverage;
+class MachineBasicBlock;
+class ProfileSummaryInfo;
 class APInt;
 class APFloat;
 class GISelKnownBits;
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h b/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h
@@ -27,6 +27,7 @@
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DataLayout.h"
+#include "llvm/Support/CodeGenCoverage.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h b/llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
@@ -24,6 +24,7 @@
 #include "llvm/CodeGen/GlobalISel/Utils.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/Register.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/Support/Debug.h"
 
 #define DEBUG_TYPE "legalizer"
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/Legalizer.h b/llvm/include/llvm/CodeGen/GlobalISel/Legalizer.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/Legalizer.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/Legalizer.h
@@ -20,7 +20,11 @@
 #ifndef LLVM_CODEGEN_GLOBALISEL_LEGALIZER_H
 #define LLVM_CODEGEN_GLOBALISEL_LEGALIZER_H
 
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
+#include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 
 namespace llvm {
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
@@ -21,14 +21,21 @@
 #define LLVM_CODEGEN_GLOBALISEL_LEGALIZERHELPER_H
 
 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
-#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
-#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
-#include "llvm/CodeGen/LowLevelType.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/RuntimeLibcalls.h"
 
 namespace llvm {
 // Forward declarations.
+class APInt;
+class GAnyLoad;
+class GLoadStore;
+class GStore;
+class GenericMachineInstr;
+class MachineFunction;
+class MachineIRBuilder;
+class MachineInstr;
+class MachineInstrBuilder;
+struct MachinePointerInfo;
+template <typename T> class SmallVectorImpl;
 class LegalizerInfo;
 class MachineRegisterInfo;
 class GISelChangeObserver;
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
@@ -14,26 +14,26 @@
 #ifndef LLVM_CODEGEN_GLOBALISEL_LEGALIZERINFO_H
 #define LLVM_CODEGEN_GLOBALISEL_LEGALIZERINFO_H
 
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallBitVector.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/GlobalISel/LegacyLegalizerInfo.h"
-#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/TargetOpcodes.h"
+#include "llvm/MC/MCInstrDesc.h"
+#include "llvm/Support/AtomicOrdering.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/LowLevelTypeImpl.h"
-#include "llvm/Support/raw_ostream.h"
 #include <cassert>
 #include <cstdint>
 #include <tuple>
-#include <unordered_map>
 #include <utility>
 
 namespace llvm {
 
 extern cl::opt<bool> DisableGISelLegalityCheck;
 
+class MachineFunction;
+class raw_ostream;
 class LegalizerHelper;
 class MachineInstr;
 class MachineRegisterInfo;
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/LoadStoreOpt.h b/llvm/include/llvm/CodeGen/GlobalISel/LoadStoreOpt.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/LoadStoreOpt.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/LoadStoreOpt.h
@@ -17,18 +17,19 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
-#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
-#include "llvm/CodeGen/GlobalISel/Utils.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
 
 namespace llvm {
 // Forward declarations.
+class AnalysisUsage;
+class GStore;
+class LegalizerInfo;
+class MachineBasicBlock;
+class MachineInstr;
+class TargetLowering;
+struct LegalityQuery;
 class MachineRegisterInfo;
 namespace GISelAddressing {
 /// Helper struct to store a base, index and offset that forms an address
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/Localizer.h b/llvm/include/llvm/CodeGen/GlobalISel/Localizer.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/Localizer.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/Localizer.h
@@ -22,11 +22,14 @@
 #define LLVM_CODEGEN_GLOBALISEL_LOCALIZER_H
 
 #include "llvm/ADT/SetVector.h"
-#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 
 namespace llvm {
 // Forward declarations.
+class AnalysisUsage;
+class MachineBasicBlock;
+class MachineInstr;
+class MachineOperand;
 class MachineRegisterInfo;
 class TargetTransformInfo;
 
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h b/llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
@@ -13,19 +13,26 @@
 #ifndef LLVM_CODEGEN_GLOBALISEL_MACHINEIRBUILDER_H
 #define LLVM_CODEGEN_GLOBALISEL_MACHINEIRBUILDER_H
 
-#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
-#include "llvm/CodeGen/LowLevelType.h"
+#include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/TargetOpcodes.h"
-#include "llvm/IR/Constants.h"
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/IR/Module.h"
 
 namespace llvm {
 
 // Forward declarations.
+class APInt;
+class BlockAddress;
+class Constant;
+class ConstantFP;
+class ConstantInt;
+class DataLayout;
+class GISelCSEInfo;
+class GlobalValue;
+class TargetRegisterClass;
 class MachineFunction;
 class MachineInstr;
 class TargetInstrInfo;
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/Utils.h b/llvm/include/llvm/CodeGen/GlobalISel/Utils.h
--- a/llvm/include/llvm/CodeGen/GlobalISel/Utils.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/Utils.h
@@ -15,18 +15,20 @@
 #define LLVM_CODEGEN_GLOBALISEL_UTILS_H
 
 #include "GISelWorkList.h"
-#include "LostDebugLocObserver.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/Register.h"
+#include "llvm/IR/DebugLoc.h"
 #include "llvm/Support/Alignment.h"
+#include "llvm/Support/Casting.h"
 #include "llvm/Support/LowLevelTypeImpl.h"
 #include <cstdint>
 
 namespace llvm {
 
 class AnalysisUsage;
+class LostDebugLocObserver;
+class MachineBasicBlock;
 class BlockFrequencyInfo;
 class GISelKnownBits;
 class MachineFunction;
diff --git a/llvm/include/llvm/CodeGen/LivePhysRegs.h b/llvm/include/llvm/CodeGen/LivePhysRegs.h
--- a/llvm/include/llvm/CodeGen/LivePhysRegs.h
+++ b/llvm/include/llvm/CodeGen/LivePhysRegs.h
@@ -32,6 +32,7 @@
 #include "llvm/ADT/SparseSet.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
+#include "llvm/MC/MCRegister.h"
 #include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSymbol.h"
 #include <cassert>
@@ -40,6 +41,7 @@
 namespace llvm {
 
 class MachineInstr;
+class MachineFunction;
 class MachineOperand;
 class MachineRegisterInfo;
 class raw_ostream;
diff --git a/llvm/include/llvm/CodeGen/MIRFSDiscriminator.h b/llvm/include/llvm/CodeGen/MIRFSDiscriminator.h
--- a/llvm/include/llvm/CodeGen/MIRFSDiscriminator.h
+++ b/llvm/include/llvm/CodeGen/MIRFSDiscriminator.h
@@ -18,7 +18,6 @@
 #define LLVM_CODEGEN_MIRFSDISCRIMINATOR_H
 
 #include "llvm/ADT/StringRef.h"
-#include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/Support/Discriminator.h"
 
diff --git a/llvm/include/llvm/CodeGen/MIRParser/MIRParser.h b/llvm/include/llvm/CodeGen/MIRParser/MIRParser.h
--- a/llvm/include/llvm/CodeGen/MIRParser/MIRParser.h
+++ b/llvm/include/llvm/CodeGen/MIRParser/MIRParser.h
@@ -17,13 +17,20 @@
 #ifndef LLVM_CODEGEN_MIRPARSER_MIRPARSER_H
 #define LLVM_CODEGEN_MIRPARSER_MIRPARSER_H
 
-#include "llvm/IR/Module.h"
-#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/ADT/None.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/STLForwardCompat.h"
+#include "llvm/ADT/STLFunctionalExtras.h"
+#include "llvm/ADT/StringRef.h"
+#include <functional>
 #include <memory>
 
 namespace llvm {
 
 class Function;
+class LLVMContext;
+class MemoryBuffer;
+class Module;
 class MIRParserImpl;
 class MachineModuleInfo;
 class SMDiagnostic;
diff --git a/llvm/include/llvm/CodeGen/MachineDominators.h b/llvm/include/llvm/CodeGen/MachineDominators.h
--- a/llvm/include/llvm/CodeGen/MachineDominators.h
+++ b/llvm/include/llvm/CodeGen/MachineDominators.h
@@ -19,12 +19,17 @@
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/CodeGen/MachineInstrBundleIterator.h"
 #include "llvm/Support/GenericDomTree.h"
 #include "llvm/Support/GenericDomTreeConstruction.h"
 #include <cassert>
 #include <memory>
 
 namespace llvm {
+class AnalysisUsage;
+class MachineFunction;
+class Module;
+class raw_ostream;
 
 template <>
 inline void DominatorTreeBase<MachineBasicBlock, false>::addRoot(
diff --git a/llvm/include/llvm/CodeGen/MachineOperand.h b/llvm/include/llvm/CodeGen/MachineOperand.h
--- a/llvm/include/llvm/CodeGen/MachineOperand.h
+++ b/llvm/include/llvm/CodeGen/MachineOperand.h
@@ -21,6 +21,7 @@
 
 namespace llvm {
 
+class LLT;
 class BlockAddress;
 class Constant;
 class ConstantFP;
diff --git a/llvm/include/llvm/CodeGen/SelectionDAG.h b/llvm/include/llvm/CodeGen/SelectionDAG.h
--- a/llvm/include/llvm/CodeGen/SelectionDAG.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAG.h
@@ -20,7 +20,6 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/FoldingSet.h"
-#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/ilist.h"
@@ -33,17 +32,13 @@
 #include "llvm/CodeGen/SelectionDAGNodes.h"
 #include "llvm/CodeGen/ValueTypes.h"
 #include "llvm/IR/DebugLoc.h"
-#include "llvm/IR/Instructions.h"
 #include "llvm/IR/Metadata.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/ArrayRecycler.h"
-#include "llvm/Support/AtomicOrdering.h"
-#include "llvm/Support/Casting.h"
 #include "llvm/Support/CodeGen.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MachineValueType.h"
 #include "llvm/Support/RecyclingAllocator.h"
-#include <algorithm>
 #include <cassert>
 #include <cstdint>
 #include <functional>
@@ -55,6 +50,15 @@
 
 namespace llvm {
 
+class DIExpression;
+class DILabel;
+class DIVariable;
+class Function;
+class Pass;
+class Type;
+template <class GraphType> struct GraphTraits;
+template <typename T, unsigned int N> class SmallSetVector;
+template <typename T> struct FoldingSetTrait;
 class AAResults;
 class BlockAddress;
 class BlockFrequencyInfo;
diff --git a/llvm/include/llvm/CodeGen/SelectionDAGISel.h b/llvm/include/llvm/CodeGen/SelectionDAGISel.h
--- a/llvm/include/llvm/CodeGen/SelectionDAGISel.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGISel.h
@@ -16,12 +16,13 @@
 
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/IR/BasicBlock.h"
 #include <memory>
 
 namespace llvm {
 class AAResults;
+class TargetInstrInfo;
+class TargetMachine;
 class SelectionDAGBuilder;
 class SDValue;
 class MachineRegisterInfo;
diff --git a/llvm/include/llvm/CodeGen/TargetLowering.h b/llvm/include/llvm/CodeGen/TargetLowering.h
--- a/llvm/include/llvm/CodeGen/TargetLowering.h
+++ b/llvm/include/llvm/CodeGen/TargetLowering.h
@@ -25,7 +25,7 @@
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/STLArrayExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/CodeGen/DAGCombine.h"
diff --git a/llvm/include/llvm/DWARFLinker/DWARFLinker.h b/llvm/include/llvm/DWARFLinker/DWARFLinker.h
--- a/llvm/include/llvm/DWARFLinker/DWARFLinker.h
+++ b/llvm/include/llvm/DWARFLinker/DWARFLinker.h
@@ -11,15 +11,20 @@
 
 #include "llvm/CodeGen/AccelTable.h"
 #include "llvm/CodeGen/NonRelocatableStringpool.h"
-#include "llvm/DWARFLinker/DWARFLinkerDeclContext.h"
-#include "llvm/DebugInfo/DWARF/DWARFCompileUnit.h"
-#include "llvm/DebugInfo/DWARF/DWARFContext.h"
+#include "llvm/DWARFLinker/DWARFLinkerCompileUnit.h"
+#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
 #include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h"
-#include "llvm/DebugInfo/DWARF/DWARFExpression.h"
-#include "llvm/MC/MCDwarf.h"
+#include "llvm/DebugInfo/DWARF/DWARFDie.h"
 #include <map>
 
 namespace llvm {
+class DWARFContext;
+class DWARFExpression;
+class DWARFUnit;
+class DataExtractor;
+class DeclContextTree;
+struct MCDwarfLineTableParams;
+template <typename T> class SmallVectorImpl;
 
 enum class DwarfLinkerClient { Dsymutil, LLD, General };
 
diff --git a/llvm/include/llvm/DWARFLinker/DWARFLinkerCompileUnit.h b/llvm/include/llvm/DWARFLinker/DWARFLinkerCompileUnit.h
--- a/llvm/include/llvm/DWARFLinker/DWARFLinkerCompileUnit.h
+++ b/llvm/include/llvm/DWARFLinker/DWARFLinkerCompileUnit.h
@@ -13,7 +13,6 @@
 #include "llvm/ADT/IntervalMap.h"
 #include "llvm/CodeGen/DIE.h"
 #include "llvm/DebugInfo/DWARF/DWARFUnit.h"
-#include "llvm/Support/DataExtractor.h"
 
 namespace llvm {
 
diff --git a/llvm/include/llvm/DWARFLinker/DWARFLinkerDeclContext.h b/llvm/include/llvm/DWARFLinker/DWARFLinkerDeclContext.h
--- a/llvm/include/llvm/DWARFLinker/DWARFLinkerDeclContext.h
+++ b/llvm/include/llvm/DWARFLinker/DWARFLinkerDeclContext.h
@@ -14,7 +14,6 @@
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/CodeGen/NonRelocatableStringpool.h"
-#include "llvm/DWARFLinker/DWARFLinkerCompileUnit.h"
 #include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
 #include "llvm/DebugInfo/DWARF/DWARFDie.h"
 #include "llvm/Support/FileSystem.h"
@@ -22,6 +21,7 @@
 
 namespace llvm {
 
+class CompileUnit;
 struct DeclMapInfo;
 
 /// Small helper that resolves and caches file paths. This helps reduce the
diff --git a/llvm/include/llvm/DWARFLinker/DWARFStreamer.h b/llvm/include/llvm/DWARFLinker/DWARFStreamer.h
--- a/llvm/include/llvm/DWARFLinker/DWARFStreamer.h
+++ b/llvm/include/llvm/DWARFLinker/DWARFStreamer.h
@@ -10,7 +10,6 @@
 #define LLVM_DWARFLINKER_DWARFSTREAMER_H
 
 #include "llvm/BinaryFormat/Swift.h"
-#include "llvm/CodeGen/AccelTable.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/DWARFLinker/DWARFLinker.h"
 #include "llvm/MC/MCAsmInfo.h"
@@ -22,6 +21,7 @@
 #include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
+template <typename DataT> class AccelTable;
 
 enum class OutputFileType {
   Object,
diff --git a/llvm/include/llvm/DebugInfo/CodeView/CodeViewRecordIO.h b/llvm/include/llvm/DebugInfo/CodeView/CodeViewRecordIO.h
--- a/llvm/include/llvm/DebugInfo/CodeView/CodeViewRecordIO.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/CodeViewRecordIO.h
@@ -9,7 +9,6 @@
 #ifndef LLVM_DEBUGINFO_CODEVIEW_CODEVIEWRECORDIO_H
 #define LLVM_DEBUGINFO_CODEVIEW_CODEVIEWRECORDIO_H
 
-#include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/None.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/SmallVector.h"
@@ -24,6 +23,7 @@
 
 namespace llvm {
 
+template <typename T> class ArrayRef;
 class APSInt;
 
 namespace codeview {
diff --git a/llvm/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h b/llvm/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h
--- a/llvm/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h
@@ -12,7 +12,6 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
-#include "llvm/DebugInfo/CodeView/Line.h"
 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamReader.h"
diff --git a/llvm/include/llvm/DebugInfo/CodeView/Line.h b/llvm/include/llvm/DebugInfo/CodeView/Line.h
--- a/llvm/include/llvm/DebugInfo/CodeView/Line.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/Line.h
@@ -9,10 +9,6 @@
 #ifndef LLVM_DEBUGINFO_CODEVIEW_LINE_H
 #define LLVM_DEBUGINFO_CODEVIEW_LINE_H
 
-#include "llvm/DebugInfo/CodeView/CodeView.h"
-#include "llvm/DebugInfo/CodeView/CodeViewError.h"
-#include "llvm/DebugInfo/CodeView/RecordName.h"
-#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
 #include "llvm/Support/Endian.h"
 #include <cinttypes>
 
diff --git a/llvm/include/llvm/DebugInfo/CodeView/TypeHashing.h b/llvm/include/llvm/DebugInfo/CodeView/TypeHashing.h
--- a/llvm/include/llvm/DebugInfo/CodeView/TypeHashing.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/TypeHashing.h
@@ -9,7 +9,6 @@
 #ifndef LLVM_DEBUGINFO_CODEVIEW_TYPEHASHING_H
 #define LLVM_DEBUGINFO_CODEVIEW_TYPEHASHING_H
 
-#include "llvm/ADT/APInt.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/Hashing.h"
 #include "llvm/ADT/StringRef.h"
diff --git a/llvm/include/llvm/DebugInfo/CodeView/TypeIndexDiscovery.h b/llvm/include/llvm/DebugInfo/CodeView/TypeIndexDiscovery.h
--- a/llvm/include/llvm/DebugInfo/CodeView/TypeIndexDiscovery.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/TypeIndexDiscovery.h
@@ -11,11 +11,11 @@
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/DebugInfo/CodeView/CVRecord.h"
-#include "llvm/DebugInfo/CodeView/TypeIndex.h"
-#include "llvm/Support/Error.h"
 
 namespace llvm {
+template <typename T> class SmallVectorImpl;
 namespace codeview {
+class TypeIndex;
 enum class TiRefKind { TypeRef, IndexRef };
 struct TiReference {
   TiRefKind Kind;
diff --git a/llvm/include/llvm/DebugInfo/DWARF/DWARFTypeUnit.h b/llvm/include/llvm/DebugInfo/DWARF/DWARFTypeUnit.h
--- a/llvm/include/llvm/DebugInfo/DWARF/DWARFTypeUnit.h
+++ b/llvm/include/llvm/DebugInfo/DWARF/DWARFTypeUnit.h
@@ -10,12 +10,12 @@
 #define LLVM_DEBUGINFO_DWARF_DWARFTYPEUNIT_H
 
 #include "llvm/ADT/StringRef.h"
-#include "llvm/DebugInfo/DWARF/DWARFLocationExpression.h"
 #include "llvm/DebugInfo/DWARF/DWARFUnit.h"
 #include <cstdint>
 
 namespace llvm {
 
+struct DIDumpOptions;
 class DWARFContext;
 class DWARFDebugAbbrev;
 struct DWARFSection;
diff --git a/llvm/include/llvm/DebugInfo/DWARF/DWARFVerifier.h b/llvm/include/llvm/DebugInfo/DWARF/DWARFVerifier.h
--- a/llvm/include/llvm/DebugInfo/DWARF/DWARFVerifier.h
+++ b/llvm/include/llvm/DebugInfo/DWARF/DWARFVerifier.h
@@ -12,8 +12,8 @@
 #include "llvm/ADT/Optional.h"
 #include "llvm/DebugInfo/DIContext.h"
 #include "llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h"
+#include "llvm/DebugInfo/DWARF/DWARFAddressRange.h"
 #include "llvm/DebugInfo/DWARF/DWARFDie.h"
-#include "llvm/DebugInfo/DWARF/DWARFUnit.h"
 #include <cstdint>
 #include <map>
 #include <set>
@@ -21,6 +21,8 @@
 namespace llvm {
 class raw_ostream;
 struct DWARFAddressRange;
+class DWARFUnit;
+class DWARFUnitVector;
 struct DWARFAttribute;
 class DWARFContext;
 class DWARFDataExtractor;
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h b/llvm/include/llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h
@@ -10,16 +10,16 @@
 #define LLVM_DEBUGINFO_PDB_NATIVE_DBIMODULEDESCRIPTOR_H
 
 #include "llvm/ADT/StringRef.h"
-#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
-#include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamRef.h"
 #include "llvm/Support/Error.h"
 #include <cstdint>
 
 namespace llvm {
+template <typename T> struct VarStreamArrayExtractor;
 
 namespace pdb {
-
+struct ModuleInfoHeader;
+struct SectionContrib;
 class DbiModuleDescriptor {
   friend class DbiStreamBuilder;
 
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/DbiStream.h b/llvm/include/llvm/DebugInfo/PDB/Native/DbiStream.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/DbiStream.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/DbiStream.h
@@ -9,14 +9,10 @@
 #ifndef LLVM_DEBUGINFO_PDB_NATIVE_DBISTREAM_H
 #define LLVM_DEBUGINFO_PDB_NATIVE_DBISTREAM_H
 
-#include "llvm/DebugInfo/CodeView/DebugSubsection.h"
 #include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h"
-#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
-#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
 #include "llvm/DebugInfo/PDB/Native/DbiModuleList.h"
 #include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
-#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
 #include "llvm/DebugInfo/PDB/PDBTypes.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamRef.h"
@@ -24,13 +20,19 @@
 #include "llvm/Support/Error.h"
 
 namespace llvm {
+class BinaryStream;
 namespace object {
 struct FpoData;
 struct coff_section;
 }
-
+namespace msf {
+class MappedBlockStream;
+}
 namespace pdb {
-class DbiStreamBuilder;
+struct DbiStreamHeader;
+struct SecMapEntry;
+struct SectionContrib2;
+struct SectionContrib;
 class PDBFile;
 class ISectionContribVisitor;
 
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/EnumTables.h b/llvm/include/llvm/DebugInfo/PDB/Native/EnumTables.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/EnumTables.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/EnumTables.h
@@ -10,9 +10,9 @@
 #define LLVM_DEBUGINFO_PDB_NATIVE_ENUMTABLES_H
 
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/Support/ScopedPrinter.h"
 
 namespace llvm {
+template <typename T> struct EnumEntry;
 namespace pdb {
 ArrayRef<EnumEntry<uint16_t>> getOMFSegMapDescFlagNames();
 }
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/GlobalsStream.h b/llvm/include/llvm/DebugInfo/PDB/Native/GlobalsStream.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/GlobalsStream.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/GlobalsStream.h
@@ -10,18 +10,18 @@
 #define LLVM_DEBUGINFO_PDB_NATIVE_GLOBALSSTREAM_H
 
 #include "llvm/ADT/iterator.h"
-#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
-#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
-#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
+#include "llvm/DebugInfo/CodeView/CVRecord.h"
 #include "llvm/DebugInfo/PDB/Native/RawTypes.h"
-#include "llvm/DebugInfo/PDB/PDBTypes.h"
 #include "llvm/Support/BinaryStreamArray.h"
+#include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
 
 namespace llvm {
+class BinaryStreamReader;
+namespace msf {
+class MappedBlockStream;
+}
 namespace pdb {
-class DbiStream;
-class PDBFile;
 class SymbolStream;
 
 /// Iterator over hash records producing symbol record offsets. Abstracts away
@@ -81,7 +81,7 @@
   GSIHashTable GlobalsTable;
   std::unique_ptr<msf::MappedBlockStream> Stream;
 };
-}
+} // namespace pdb
 }
 
 #endif
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/HashTable.h b/llvm/include/llvm/DebugInfo/PDB/Native/HashTable.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/HashTable.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/HashTable.h
@@ -23,9 +23,6 @@
 
 namespace llvm {
 
-class BinaryStreamReader;
-class BinaryStreamWriter;
-
 namespace pdb {
 
 Error readSparseBitVector(BinaryStreamReader &Stream, SparseBitVector<> &V);
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/InfoStream.h b/llvm/include/llvm/DebugInfo/PDB/Native/InfoStream.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/InfoStream.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/InfoStream.h
@@ -9,22 +9,18 @@
 #ifndef LLVM_DEBUGINFO_PDB_NATIVE_INFOSTREAM_H
 #define LLVM_DEBUGINFO_PDB_NATIVE_INFOSTREAM_H
 
-#include "llvm/ADT/BitmaskEnum.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/DebugInfo/CodeView/GUID.h"
-#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
-#include "llvm/DebugInfo/PDB/PDBTypes.h"
+#include "llvm/Support/BinaryStream.h"
+#include "llvm/Support/BinaryStreamRef.h"
 
-#include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
 
 namespace llvm {
 namespace pdb {
-class InfoStreamBuilder;
-class PDBFile;
-
+struct InfoStreamHeader;
 class InfoStream {
   friend class InfoStreamBuilder;
 
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h b/llvm/include/llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h
@@ -13,7 +13,6 @@
 #include "llvm/Support/Error.h"
 
 #include "llvm/DebugInfo/CodeView/GUID.h"
-#include "llvm/DebugInfo/MSF/MSFCommon.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
 
 namespace llvm {
@@ -21,6 +20,7 @@
 
 namespace msf {
 class MSFBuilder;
+struct MSFLayout;
 }
 namespace pdb {
 class NamedStreamMap;
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/InjectedSourceStream.h b/llvm/include/llvm/DebugInfo/PDB/Native/InjectedSourceStream.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/InjectedSourceStream.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/InjectedSourceStream.h
@@ -9,15 +9,14 @@
 #ifndef LLVM_DEBUGINFO_PDB_NATIVE_INJECTEDSOURCESTREAM_H
 #define LLVM_DEBUGINFO_PDB_NATIVE_INJECTEDSOURCESTREAM_H
 
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/HashTable.h"
-#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
 #include "llvm/Support/Error.h"
 
 namespace llvm {
-namespace msf {
-class MappedBlockStream;
-}
 namespace pdb {
+struct SrcHeaderBlockEntry;
+struct SrcHeaderBlockHeader;
 class PDBStringTable;
 
 class InjectedSourceStream {
@@ -38,6 +37,6 @@
   HashTable<SrcHeaderBlockEntry> InjectedSourceTable;
 };
 }
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h b/llvm/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h
@@ -10,10 +10,8 @@
 #define LLVM_DEBUGINFO_PDB_NATIVE_MODULEDEBUGSTREAM_H
 
 #include "llvm/ADT/iterator_range.h"
-#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
+#include "llvm/DebugInfo/CodeView/CVRecord.h"
 #include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
-#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
-#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
 #include "llvm/Support/BinaryStreamRef.h"
 #include "llvm/Support/Error.h"
@@ -21,10 +19,15 @@
 #include <memory>
 
 namespace llvm {
+class BinaryStreamReader;
+namespace codeview {
+class DebugChecksumsSubsectionRef;
+}
+namespace msf {
+class MappedBlockStream;
+}
 namespace pdb {
 
-class DbiModuleDescriptor;
-
 class ModuleDebugStreamRef {
   using DebugSubsectionIterator = codeview::DebugSubsectionArray::Iterator;
 
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/NamedStreamMap.h b/llvm/include/llvm/DebugInfo/PDB/Native/NamedStreamMap.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/NamedStreamMap.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/NamedStreamMap.h
@@ -11,7 +11,6 @@
 
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/iterator_range.h"
 #include "llvm/DebugInfo/PDB/Native/HashTable.h"
 #include "llvm/Support/Error.h"
 #include <cstdint>
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/NativeEnumLineNumbers.h b/llvm/include/llvm/DebugInfo/PDB/Native/NativeEnumLineNumbers.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/NativeEnumLineNumbers.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/NativeEnumLineNumbers.h
@@ -12,6 +12,7 @@
 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
 #include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
 #include "llvm/DebugInfo/PDB/Native/NativeLineNumber.h"
+#include <vector>
 
 namespace llvm {
 namespace pdb {
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/NativeInlineSiteSymbol.h b/llvm/include/llvm/DebugInfo/PDB/Native/NativeInlineSiteSymbol.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/NativeInlineSiteSymbol.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/NativeInlineSiteSymbol.h
@@ -9,7 +9,6 @@
 #ifndef LLVM_DEBUGINFO_PDB_NATIVE_NATIVEINLINESITESYMBOL_H
 #define LLVM_DEBUGINFO_PDB_NATIVE_NATIVEINLINESITESYMBOL_H
 
-#include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/SymbolRecord.h"
 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
 #include "llvm/DebugInfo/PDB/Native/NativeRawSymbol.h"
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/NativeTypeTypedef.h b/llvm/include/llvm/DebugInfo/PDB/Native/NativeTypeTypedef.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/NativeTypeTypedef.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/NativeTypeTypedef.h
@@ -12,7 +12,6 @@
 #include "llvm/DebugInfo/CodeView/SymbolRecord.h"
 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
 #include "llvm/DebugInfo/PDB/Native/NativeRawSymbol.h"
-#include "llvm/DebugInfo/PDB/Native/NativeSession.h"
 #include "llvm/DebugInfo/PDB/PDBTypes.h"
 
 namespace llvm {
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/PDBFile.h b/llvm/include/llvm/DebugInfo/PDB/Native/PDBFile.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/PDBFile.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/PDBFile.h
@@ -9,14 +9,12 @@
 #ifndef LLVM_DEBUGINFO_PDB_NATIVE_PDBFILE_H
 #define LLVM_DEBUGINFO_PDB_NATIVE_PDBFILE_H
 
-#include "llvm/ADT/DenseMap.h"
 #include "llvm/DebugInfo/MSF/IMSFFile.h"
 #include "llvm/DebugInfo/MSF/MSFCommon.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/BinaryStreamRef.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
-#include "llvm/Support/MathExtras.h"
 
 #include <memory>
 
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/PDBStringTable.h b/llvm/include/llvm/DebugInfo/PDB/Native/PDBStringTable.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/PDBStringTable.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/PDBStringTable.h
@@ -9,11 +9,9 @@
 #ifndef LLVM_DEBUGINFO_PDB_NATIVE_PDBSTRINGTABLE_H
 #define LLVM_DEBUGINFO_PDB_NATIVE_PDBSTRINGTABLE_H
 
-#include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
 #include "llvm/Support/BinaryStreamArray.h"
-#include "llvm/Support/BinaryStreamRef.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
 #include <cstdint>
@@ -21,10 +19,6 @@
 namespace llvm {
 class BinaryStreamReader;
 
-namespace msf {
-class MappedBlockStream;
-}
-
 namespace pdb {
 
 struct PDBStringTableHeader;
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/PublicsStream.h b/llvm/include/llvm/DebugInfo/PDB/Native/PublicsStream.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/PublicsStream.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/PublicsStream.h
@@ -9,20 +9,17 @@
 #ifndef LLVM_DEBUGINFO_PDB_NATIVE_PUBLICSSTREAM_H
 #define LLVM_DEBUGINFO_PDB_NATIVE_PUBLICSSTREAM_H
 
-#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
-#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/GlobalsStream.h"
-#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
-#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
-#include "llvm/DebugInfo/PDB/PDBTypes.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/Error.h"
 
 namespace llvm {
+namespace msf {
+class MappedBlockStream;
+}
 namespace pdb {
-class DbiStream;
-struct GSIHashHeader;
-class PDBFile;
+struct PublicsStreamHeader;
+struct SectionOffset;
 
 class PublicsStream {
 public:
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/SymbolStream.h b/llvm/include/llvm/DebugInfo/PDB/Native/SymbolStream.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/SymbolStream.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/SymbolStream.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_DEBUGINFO_PDB_NATIVE_SYMBOLSTREAM_H
 #define LLVM_DEBUGINFO_PDB_NATIVE_SYMBOLSTREAM_H
 
-#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
+#include "llvm/DebugInfo/CodeView/CVRecord.h"
 
 #include "llvm/Support/Error.h"
 
@@ -18,7 +18,6 @@
 class MappedBlockStream;
 }
 namespace pdb {
-class PDBFile;
 
 class SymbolStream {
 public:
@@ -41,7 +40,7 @@
   codeview::CVSymbolArray SymbolRecords;
   std::unique_ptr<msf::MappedBlockStream> Stream;
 };
-}
+} // namespace pdb
 }
 
 #endif
diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/TpiStream.h b/llvm/include/llvm/DebugInfo/PDB/Native/TpiStream.h
--- a/llvm/include/llvm/DebugInfo/PDB/Native/TpiStream.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/TpiStream.h
@@ -12,22 +12,23 @@
 #include "llvm/DebugInfo/CodeView/CVRecord.h"
 #include "llvm/DebugInfo/PDB/Native/HashTable.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
-#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
-#include "llvm/DebugInfo/PDB/PDBTypes.h"
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamRef.h"
-#include "llvm/Support/raw_ostream.h"
 
 #include "llvm/Support/Error.h"
 
 namespace llvm {
+class BinaryStream;
 namespace codeview {
+class TypeIndex;
+struct TypeIndexOffset;
 class LazyRandomTypeCollection;
 }
 namespace msf {
 class MappedBlockStream;
 }
 namespace pdb {
+struct TpiStreamHeader;
 class PDBFile;
 
 class TpiStream {
diff --git a/llvm/include/llvm/DebugInfo/Symbolize/Symbolize.h b/llvm/include/llvm/DebugInfo/Symbolize/Symbolize.h
--- a/llvm/include/llvm/DebugInfo/Symbolize/Symbolize.h
+++ b/llvm/include/llvm/DebugInfo/Symbolize/Symbolize.h
@@ -22,7 +22,6 @@
 #include "llvm/Support/Error.h"
 #include <algorithm>
 #include <cstdint>
-#include <list>
 #include <map>
 #include <memory>
 #include <string>
diff --git a/llvm/include/llvm/FileCheck/FileCheck.h b/llvm/include/llvm/FileCheck/FileCheck.h
--- a/llvm/include/llvm/FileCheck/FileCheck.h
+++ b/llvm/include/llvm/FileCheck/FileCheck.h
@@ -14,14 +14,17 @@
 #define LLVM_FILECHECK_FILECHECK_H
 
 #include "llvm/ADT/StringRef.h"
-#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Regex.h"
-#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/SMLoc.h"
 #include <bitset>
+#include <memory>
 #include <string>
 #include <vector>
 
 namespace llvm {
+class MemoryBuffer;
+class SourceMgr;
+template <typename T> class SmallVectorImpl;
 
 /// Contains info about various FileCheck options.
 struct FileCheckRequest {
diff --git a/llvm/include/llvm/Frontend/OpenMP/OMPContext.h b/llvm/include/llvm/Frontend/OpenMP/OMPContext.h
--- a/llvm/include/llvm/Frontend/OpenMP/OMPContext.h
+++ b/llvm/include/llvm/Frontend/OpenMP/OMPContext.h
@@ -15,14 +15,14 @@
 #ifndef LLVM_FRONTEND_OPENMP_OMPCONTEXT_H
 #define LLVM_FRONTEND_OPENMP_OMPCONTEXT_H
 
-#include "llvm/ADT/APSInt.h"
+#include "llvm/ADT/APInt.h"
 #include "llvm/ADT/BitVector.h"
-#include "llvm/ADT/SetVector.h"
-#include "llvm/ADT/SmallSet.h"
-#include "llvm/ADT/Triple.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/DenseMapInfo.h"
 #include "llvm/Frontend/OpenMP/OMPConstants.h"
 
 namespace llvm {
+class Triple;
 namespace omp {
 
 /// OpenMP Context related IDs and helpers
diff --git a/llvm/include/llvm/FuzzMutate/FuzzerCLI.h b/llvm/include/llvm/FuzzMutate/FuzzerCLI.h
--- a/llvm/include/llvm/FuzzMutate/FuzzerCLI.h
+++ b/llvm/include/llvm/FuzzMutate/FuzzerCLI.h
@@ -14,11 +14,13 @@
 #ifndef LLVM_FUZZMUTATE_FUZZERCLI_H
 #define LLVM_FUZZMUTATE_FUZZERCLI_H
 
-#include "llvm/IR/LLVMContext.h"
 #include "llvm/Support/DataTypes.h"
+#include <memory>
 
 namespace llvm {
 
+class LLVMContext;
+class Module;
 class StringRef;
 
 /// Parse cl::opts from a fuzz target commandline.
diff --git a/llvm/include/llvm/FuzzMutate/OpDescriptor.h b/llvm/include/llvm/FuzzMutate/OpDescriptor.h
--- a/llvm/include/llvm/FuzzMutate/OpDescriptor.h
+++ b/llvm/include/llvm/FuzzMutate/OpDescriptor.h
@@ -15,16 +15,15 @@
 #define LLVM_FUZZMUTATE_OPDESCRIPTOR_H
 
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/Instructions.h"
 #include "llvm/IR/Type.h"
 #include "llvm/IR/Value.h"
 #include <functional>
 
 namespace llvm {
+class Instruction;
 namespace fuzzerop {
 
 /// @{
diff --git a/llvm/include/llvm/FuzzMutate/RandomIRBuilder.h b/llvm/include/llvm/FuzzMutate/RandomIRBuilder.h
--- a/llvm/include/llvm/FuzzMutate/RandomIRBuilder.h
+++ b/llvm/include/llvm/FuzzMutate/RandomIRBuilder.h
@@ -13,12 +13,19 @@
 #ifndef LLVM_FUZZMUTATE_RANDOMIRBUILDER_H
 #define LLVM_FUZZMUTATE_RANDOMIRBUILDER_H
 
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/FuzzMutate/IRMutator.h"
-#include "llvm/FuzzMutate/Random.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/SmallVector.h"
 #include <random>
 
 namespace llvm {
+class BasicBlock;
+class Instruction;
+class LLVMContext;
+class Type;
+class Value;
+namespace fuzzerop {
+class SourcePred;
+}
 
 using RandomEngine = std::mt19937;
 
diff --git a/llvm/include/llvm/IRReader/IRReader.h b/llvm/include/llvm/IRReader/IRReader.h
--- a/llvm/include/llvm/IRReader/IRReader.h
+++ b/llvm/include/llvm/IRReader/IRReader.h
@@ -14,7 +14,9 @@
 #ifndef LLVM_IRREADER_IRREADER_H
 #define LLVM_IRREADER_IRREADER_H
 
-#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/STLForwardCompat.h"
+#include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include <memory>
 
diff --git a/llvm/include/llvm/InterfaceStub/ELFObjHandler.h b/llvm/include/llvm/InterfaceStub/ELFObjHandler.h
--- a/llvm/include/llvm/InterfaceStub/ELFObjHandler.h
+++ b/llvm/include/llvm/InterfaceStub/ELFObjHandler.h
@@ -13,16 +13,15 @@
 #ifndef LLVM_INTERFACESTUB_ELFOBJHANDLER_H
 #define LLVM_INTERFACESTUB_ELFOBJHANDLER_H
 
-#include "llvm/InterfaceStub/IFSStub.h"
-#include "llvm/Object/ELFObjectFile.h"
-#include "llvm/Object/ELFTypes.h"
-#include "llvm/Support/FileSystem.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/MemoryBufferRef.h"
+#include <memory>
 
 namespace llvm {
 
-class MemoryBuffer;
-
 namespace ifs {
+struct IFSStub;
 
 /// Attempt to read a binary ELF file from a MemoryBuffer.
 Expected<std::unique_ptr<IFSStub>> readELFFile(MemoryBufferRef Buf);
diff --git a/llvm/include/llvm/InterfaceStub/IFSStub.h b/llvm/include/llvm/InterfaceStub/IFSStub.h
--- a/llvm/include/llvm/InterfaceStub/IFSStub.h
+++ b/llvm/include/llvm/InterfaceStub/IFSStub.h
@@ -14,9 +14,8 @@
 #ifndef LLVM_INTERFACESTUB_IFSSTUB_H
 #define LLVM_INTERFACESTUB_IFSSTUB_H
 
-#include "llvm/Support/Error.h"
+#include "llvm/ADT/Optional.h"
 #include "llvm/Support/VersionTuple.h"
-#include <set>
 #include <vector>
 
 namespace llvm {
diff --git a/llvm/include/llvm/Object/Binary.h b/llvm/include/llvm/Object/Binary.h
--- a/llvm/include/llvm/Object/Binary.h
+++ b/llvm/include/llvm/Object/Binary.h
@@ -18,12 +18,13 @@
 #include "llvm/Object/Error.h"
 #include "llvm/Support/CBindingWrapping.h"
 #include "llvm/Support/Error.h"
-#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/MemoryBufferRef.h"
 #include <memory>
 #include <utility>
 
 namespace llvm {
 
+class MemoryBuffer;
 class LLVMContext;
 class StringRef;
 
diff --git a/llvm/include/llvm/ProfileData/MemProf.h b/llvm/include/llvm/ProfileData/MemProf.h
--- a/llvm/include/llvm/ProfileData/MemProf.h
+++ b/llvm/include/llvm/ProfileData/MemProf.h
@@ -3,7 +3,7 @@
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/IR/Function.h"
+#include "llvm/IR/GlobalValue.h"
 #include "llvm/ProfileData/MemProfData.inc"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/EndianStream.h"
diff --git a/llvm/include/llvm/Remarks/RemarkSerializer.h b/llvm/include/llvm/Remarks/RemarkSerializer.h
--- a/llvm/include/llvm/Remarks/RemarkSerializer.h
+++ b/llvm/include/llvm/Remarks/RemarkSerializer.h
@@ -13,7 +13,6 @@
 #ifndef LLVM_REMARKS_REMARKSERIALIZER_H
 #define LLVM_REMARKS_REMARKSERIALIZER_H
 
-#include "llvm/Remarks/Remark.h"
 #include "llvm/Remarks/RemarkFormat.h"
 #include "llvm/Remarks/RemarkStringTable.h"
 
diff --git a/llvm/include/llvm/Support/VersionTuple.h b/llvm/include/llvm/Support/VersionTuple.h
--- a/llvm/include/llvm/Support/VersionTuple.h
+++ b/llvm/include/llvm/Support/VersionTuple.h
@@ -169,8 +169,8 @@
     return !(X < Y);
   }
 
-  friend llvm::hash_code hash_value(const VersionTuple &VT) {
-    return llvm::hash_combine(VT.Major, VT.Minor, VT.Subminor, VT.Build);
+  friend hash_code hash_value(const VersionTuple &VT) {
+    return hash_combine(VT.Major, VT.Minor, VT.Subminor, VT.Build);
   }
 
   template <typename HasherT, llvm::support::endianness Endianness>
diff --git a/llvm/include/llvm/TextAPI/Symbol.h b/llvm/include/llvm/TextAPI/Symbol.h
--- a/llvm/include/llvm/TextAPI/Symbol.h
+++ b/llvm/include/llvm/TextAPI/Symbol.h
@@ -11,7 +11,6 @@
 
 #include "llvm/ADT/BitmaskEnum.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/Support/Error.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/TextAPI/ArchitectureSet.h"
 #include "llvm/TextAPI/Target.h"
diff --git a/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizer.h b/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizer.h
--- a/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizer.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizer.h
@@ -13,13 +13,17 @@
 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZER_H
 #define LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZER_H
 
-#include "llvm/IR/Function.h"
-#include "llvm/IR/Module.h"
 #include "llvm/IR/PassManager.h"
-#include "llvm/Pass.h"
 #include "llvm/Transforms/Instrumentation/AddressSanitizerOptions.h"
 
 namespace llvm {
+class Function;
+class FunctionPass;
+class GlobalVariable;
+class MDNode;
+class Module;
+class ModulePass;
+class raw_ostream;
 
 /// Frontend-provided metadata for source location.
 struct LocationMetadata {
diff --git a/llvm/include/llvm/Transforms/Instrumentation/BoundsChecking.h b/llvm/include/llvm/Transforms/Instrumentation/BoundsChecking.h
--- a/llvm/include/llvm/Transforms/Instrumentation/BoundsChecking.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/BoundsChecking.h
@@ -10,9 +10,10 @@
 #define LLVM_TRANSFORMS_INSTRUMENTATION_BOUNDSCHECKING_H
 
 #include "llvm/IR/PassManager.h"
-#include "llvm/Pass.h"
 
 namespace llvm {
+class Function;
+class FunctionPass;
 
 /// A pass to instrument code and perform run-time bounds checking on loads,
 /// stores, and other memory intrinsics.
diff --git a/llvm/include/llvm/Transforms/Instrumentation/CGProfile.h b/llvm/include/llvm/Transforms/Instrumentation/CGProfile.h
--- a/llvm/include/llvm/Transforms/Instrumentation/CGProfile.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/CGProfile.h
@@ -12,10 +12,10 @@
 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_CGPROFILE_H
 #define LLVM_TRANSFORMS_INSTRUMENTATION_CGPROFILE_H
 
-#include "llvm/ADT/MapVector.h"
 #include "llvm/IR/PassManager.h"
 
 namespace llvm {
+class Module;
 class CGProfilePass : public PassInfoMixin<CGProfilePass> {
 public:
   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
diff --git a/llvm/include/llvm/Transforms/Instrumentation/ControlHeightReduction.h b/llvm/include/llvm/Transforms/Instrumentation/ControlHeightReduction.h
--- a/llvm/include/llvm/Transforms/Instrumentation/ControlHeightReduction.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/ControlHeightReduction.h
@@ -14,7 +14,6 @@
 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H
 #define LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H
 
-#include "llvm/Analysis/LoopInfo.h"
 #include "llvm/IR/PassManager.h"
 
 namespace llvm {
diff --git a/llvm/include/llvm/Transforms/Instrumentation/DataFlowSanitizer.h b/llvm/include/llvm/Transforms/Instrumentation/DataFlowSanitizer.h
--- a/llvm/include/llvm/Transforms/Instrumentation/DataFlowSanitizer.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/DataFlowSanitizer.h
@@ -8,12 +8,12 @@
 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_DATAFLOWSANITIZER_H
 #define LLVM_TRANSFORMS_INSTRUMENTATION_DATAFLOWSANITIZER_H
 
-#include "llvm/IR/Module.h"
 #include "llvm/IR/PassManager.h"
 #include <string>
 #include <vector>
 
 namespace llvm {
+class Module;
 
 class DataFlowSanitizerPass : public PassInfoMixin<DataFlowSanitizerPass> {
 private:
diff --git a/llvm/include/llvm/Transforms/Instrumentation/HWAddressSanitizer.h b/llvm/include/llvm/Transforms/Instrumentation/HWAddressSanitizer.h
--- a/llvm/include/llvm/Transforms/Instrumentation/HWAddressSanitizer.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/HWAddressSanitizer.h
@@ -13,11 +13,14 @@
 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_HWADDRESSSANITIZER_H
 #define LLVM_TRANSFORMS_INSTRUMENTATION_HWADDRESSSANITIZER_H
 
-#include "llvm/IR/Function.h"
+#include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/IR/PassManager.h"
-#include "llvm/Pass.h"
 
 namespace llvm {
+class FunctionPass;
+class Module;
+class StringRef;
+class raw_ostream;
 
 struct HWAddressSanitizerOptions {
   HWAddressSanitizerOptions()
diff --git a/llvm/include/llvm/Transforms/Instrumentation/InstrProfiling.h b/llvm/include/llvm/Transforms/Instrumentation/InstrProfiling.h
--- a/llvm/include/llvm/Transforms/Instrumentation/InstrProfiling.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/InstrProfiling.h
@@ -19,7 +19,6 @@
 #include "llvm/IR/PassManager.h"
 #include "llvm/ProfileData/InstrProf.h"
 #include "llvm/Transforms/Instrumentation.h"
-#include <cstddef>
 #include <cstdint>
 #include <cstring>
 #include <vector>
diff --git a/llvm/include/llvm/Transforms/Instrumentation/MemProfiler.h b/llvm/include/llvm/Transforms/Instrumentation/MemProfiler.h
--- a/llvm/include/llvm/Transforms/Instrumentation/MemProfiler.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/MemProfiler.h
@@ -12,12 +12,13 @@
 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROFILER_H
 #define LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROFILER_H
 
-#include "llvm/IR/Function.h"
-#include "llvm/IR/Module.h"
 #include "llvm/IR/PassManager.h"
-#include "llvm/Pass.h"
 
 namespace llvm {
+class Function;
+class FunctionPass;
+class Module;
+class ModulePass;
 
 /// Public interface to the memory profiler pass for instrumenting code to
 /// profile memory accesses.
diff --git a/llvm/include/llvm/Transforms/Instrumentation/MemorySanitizer.h b/llvm/include/llvm/Transforms/Instrumentation/MemorySanitizer.h
--- a/llvm/include/llvm/Transforms/Instrumentation/MemorySanitizer.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/MemorySanitizer.h
@@ -13,10 +13,15 @@
 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
 #define LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
 
+#include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/IR/PassManager.h"
-#include "llvm/Pass.h"
 
 namespace llvm {
+class Function;
+class FunctionPass;
+class Module;
+class StringRef;
+class raw_ostream;
 
 struct MemorySanitizerOptions {
   MemorySanitizerOptions() : MemorySanitizerOptions(0, false, false, false){};
diff --git a/llvm/include/llvm/Transforms/Instrumentation/SanitizerCoverage.h b/llvm/include/llvm/Transforms/Instrumentation/SanitizerCoverage.h
--- a/llvm/include/llvm/Transforms/Instrumentation/SanitizerCoverage.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/SanitizerCoverage.h
@@ -16,13 +16,14 @@
 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H
 #define LLVM_TRANSFORMS_INSTRUMENTATION_SANITIZERCOVERAGE_H
 
-#include "llvm/IR/Module.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/Support/SpecialCaseList.h"
 #include "llvm/Support/VirtualFileSystem.h"
 #include "llvm/Transforms/Instrumentation.h"
 
 namespace llvm {
+class Module;
+class ModulePass;
 
 /// This is the ModuleSanitizerCoverage pass used in the new pass manager. The
 /// pass instruments functions for coverage, adds initialization calls to the
diff --git a/llvm/include/llvm/Transforms/Instrumentation/ThreadSanitizer.h b/llvm/include/llvm/Transforms/Instrumentation/ThreadSanitizer.h
--- a/llvm/include/llvm/Transforms/Instrumentation/ThreadSanitizer.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/ThreadSanitizer.h
@@ -14,9 +14,11 @@
 #define LLVM_TRANSFORMS_INSTRUMENTATION_THREADSANITIZER_H
 
 #include "llvm/IR/PassManager.h"
-#include "llvm/Pass.h"
 
 namespace llvm {
+class Function;
+class FunctionPass;
+class Module;
 // Insert ThreadSanitizer (race detection) instrumentation
 FunctionPass *createThreadSanitizerLegacyPassPass();
 
diff --git a/llvm/include/llvm/Transforms/Scalar/Float2Int.h b/llvm/include/llvm/Transforms/Scalar/Float2Int.h
--- a/llvm/include/llvm/Transforms/Scalar/Float2Int.h
+++ b/llvm/include/llvm/Transforms/Scalar/Float2Int.h
@@ -18,11 +18,16 @@
 #include "llvm/ADT/MapVector.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/IR/ConstantRange.h"
-#include "llvm/IR/Dominators.h"
-#include "llvm/IR/Function.h"
 #include "llvm/IR/PassManager.h"
 
 namespace llvm {
+class DominatorTree;
+class Function;
+class Instruction;
+class LLVMContext;
+class Type;
+class Value;
+
 class Float2IntPass : public PassInfoMixin<Float2IntPass> {
 public:
   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
diff --git a/llvm/include/llvm/Transforms/Utils/InjectTLIMappings.h b/llvm/include/llvm/Transforms/Utils/InjectTLIMappings.h
--- a/llvm/include/llvm/Transforms/Utils/InjectTLIMappings.h
+++ b/llvm/include/llvm/Transforms/Utils/InjectTLIMappings.h
@@ -18,6 +18,7 @@
 #include "llvm/Pass.h"
 
 namespace llvm {
+class Function;
 class InjectTLIMappings : public PassInfoMixin<InjectTLIMappings> {
 public:
   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
diff --git a/llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h b/llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h
--- a/llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h
+++ b/llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h
@@ -15,7 +15,6 @@
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/DenseSet.h"
-#include "llvm/ADT/Optional.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Analysis/InstSimplifyFolder.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
diff --git a/llvm/include/llvm/Transforms/Vectorize/LoadStoreVectorizer.h b/llvm/include/llvm/Transforms/Vectorize/LoadStoreVectorizer.h
--- a/llvm/include/llvm/Transforms/Vectorize/LoadStoreVectorizer.h
+++ b/llvm/include/llvm/Transforms/Vectorize/LoadStoreVectorizer.h
@@ -10,9 +10,10 @@
 #define LLVM_TRANSFORMS_VECTORIZE_LOADSTOREVECTORIZER_H
 
 #include "llvm/IR/PassManager.h"
-#include "llvm/Pass.h"
 
 namespace llvm {
+class Pass;
+class Function;
 
 class LoadStoreVectorizerPass : public PassInfoMixin<LoadStoreVectorizerPass> {
 public:
diff --git a/llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h b/llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h
--- a/llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h
+++ b/llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h
@@ -28,12 +28,26 @@
 
 #include "llvm/ADT/MapVector.h"
 #include "llvm/Analysis/LoopAccessAnalysis.h"
-#include "llvm/Analysis/OptimizationRemarkEmitter.h"
-#include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Support/TypeSize.h"
 #include "llvm/Transforms/Utils/LoopUtils.h"
 
 namespace llvm {
+class AAResults;
+class AssumptionCache;
+class BasicBlock;
+class BlockFrequencyInfo;
+class DemandedBits;
+class DominatorTree;
+class Function;
+class Loop;
+class LoopInfo;
+class Metadata;
+class OptimizationRemarkEmitter;
+class PredicatedScalarEvolution;
+class ProfileSummaryInfo;
+class TargetLibraryInfo;
+class TargetTransformInfo;
+class Type;
 
 /// Utility class for getting and setting loop vectorizer hints in the form
 /// of loop metadata.
diff --git a/llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h b/llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
--- a/llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
+++ b/llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
@@ -20,7 +20,6 @@
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/MapVector.h"
-#include "llvm/ADT/None.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/IR/PassManager.h"
 
@@ -30,7 +29,6 @@
 class AssumptionCache;
 class BasicBlock;
 class CmpInst;
-class DataLayout;
 class DemandedBits;
 class DominatorTree;
 class Function;
diff --git a/llvm/lib/Analysis/CallGraphSCCPass.cpp b/llvm/lib/Analysis/CallGraphSCCPass.cpp
--- a/llvm/lib/Analysis/CallGraphSCCPass.cpp
+++ b/llvm/lib/Analysis/CallGraphSCCPass.cpp
@@ -28,7 +28,9 @@
 #include "llvm/IR/OptBisect.h"
 #include "llvm/IR/PassTimingInfo.h"
 #include "llvm/IR/PrintPasses.h"
+#ifdef EXPENSIVE_CHECKS
 #include "llvm/IR/StructuralHash.h"
+#endif
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
diff --git a/llvm/lib/Analysis/DevelopmentModeInlineAdvisor.cpp b/llvm/lib/Analysis/DevelopmentModeInlineAdvisor.cpp
--- a/llvm/lib/Analysis/DevelopmentModeInlineAdvisor.cpp
+++ b/llvm/lib/Analysis/DevelopmentModeInlineAdvisor.cpp
@@ -11,7 +11,6 @@
 //
 //===----------------------------------------------------------------------===//
 #include "llvm/Config/config.h"
-#include "llvm/Support/Casting.h"
 #if defined(LLVM_HAVE_TF_API)
 
 #include "llvm/ADT/BitVector.h"
diff --git a/llvm/lib/Analysis/LazyCallGraph.cpp b/llvm/lib/Analysis/LazyCallGraph.cpp
--- a/llvm/lib/Analysis/LazyCallGraph.cpp
+++ b/llvm/lib/Analysis/LazyCallGraph.cpp
@@ -9,7 +9,6 @@
 #include "llvm/Analysis/LazyCallGraph.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/ScopeExit.h"
 #include "llvm/ADT/Sequence.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
diff --git a/llvm/lib/Analysis/LoopPass.cpp b/llvm/lib/Analysis/LoopPass.cpp
--- a/llvm/lib/Analysis/LoopPass.cpp
+++ b/llvm/lib/Analysis/LoopPass.cpp
@@ -19,7 +19,9 @@
 #include "llvm/IR/OptBisect.h"
 #include "llvm/IR/PassTimingInfo.h"
 #include "llvm/IR/PrintPasses.h"
+#ifdef EXPENSIVE_CHECKS
 #include "llvm/IR/StructuralHash.h"
+#endif
 #include "llvm/InitializePasses.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/TimeProfiler.h"
diff --git a/llvm/lib/Analysis/RegionPass.cpp b/llvm/lib/Analysis/RegionPass.cpp
--- a/llvm/lib/Analysis/RegionPass.cpp
+++ b/llvm/lib/Analysis/RegionPass.cpp
@@ -18,7 +18,9 @@
 #include "llvm/IR/OptBisect.h"
 #include "llvm/IR/PassTimingInfo.h"
 #include "llvm/IR/PrintPasses.h"
+#ifdef EXPENSIVE_CHECKS
 #include "llvm/IR/StructuralHash.h"
+#endif
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Timer.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp b/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp
--- a/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp
+++ b/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Analysis/ScalarEvolutionNormalization.h"
-#include "llvm/Analysis/LoopInfo.h"
+#include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
 using namespace llvm;
 
diff --git a/llvm/lib/Analysis/TargetTransformInfo.cpp b/llvm/lib/Analysis/TargetTransformInfo.cpp
--- a/llvm/lib/Analysis/TargetTransformInfo.cpp
+++ b/llvm/lib/Analysis/TargetTransformInfo.cpp
@@ -20,7 +20,6 @@
 #include "llvm/IR/PatternMatch.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
 #include <utility>
 
 using namespace llvm;
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -37,6 +37,7 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Metadata.h"
 #include "llvm/IR/Module.h"
+#include "llvm/IR/Operator.h"
 #include "llvm/IR/Value.h"
 #include "llvm/IR/ValueSymbolTable.h"
 #include "llvm/Support/Casting.h"
@@ -47,7 +48,6 @@
 #include <algorithm>
 #include <cassert>
 #include <cstring>
-#include <iterator>
 #include <vector>
 
 using namespace llvm;
diff --git a/llvm/lib/AsmParser/Parser.cpp b/llvm/lib/AsmParser/Parser.cpp
--- a/llvm/lib/AsmParser/Parser.cpp
+++ b/llvm/lib/AsmParser/Parser.cpp
@@ -11,13 +11,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/AsmParser/Parser.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/AsmParser/LLParser.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/ModuleSummaryIndex.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/SourceMgr.h"
-#include <cstring>
 #include <system_error>
 
 using namespace llvm;
diff --git a/llvm/lib/CodeGen/AsmPrinter/AIXException.cpp b/llvm/lib/CodeGen/AsmPrinter/AIXException.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/AIXException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AIXException.cpp
@@ -14,7 +14,6 @@
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
-#include "llvm/MC/MCSectionXCOFF.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/ARMException.cpp b/llvm/lib/CodeGen/AsmPrinter/ARMException.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/ARMException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/ARMException.cpp
@@ -14,16 +14,9 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/IR/Mangler.h"
-#include "llvm/IR/Module.h"
+#include "llvm/IR/Function.h"
 #include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/Support/FormattedStream.h"
-#include "llvm/Target/TargetOptions.h"
 using namespace llvm;
 
 ARMException::ARMException(AsmPrinter *A) : DwarfCFIExceptionBase(A) {}
diff --git a/llvm/lib/CodeGen/AsmPrinter/AccelTable.cpp b/llvm/lib/CodeGen/AsmPrinter/AccelTable.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/AccelTable.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AccelTable.cpp
@@ -18,7 +18,6 @@
 #include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/DIE.h"
-#include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -48,7 +48,6 @@
 #include "llvm/CodeGen/MachineInstrBundle.h"
 #include "llvm/CodeGen/MachineJumpTableInfo.h"
 #include "llvm/CodeGen/MachineLoopInfo.h"
-#include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/MachineModuleInfoImpls.h"
 #include "llvm/CodeGen/MachineOperand.h"
@@ -85,28 +84,21 @@
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDirectives.h"
-#include "llvm/MC/MCDwarf.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCSectionCOFF.h"
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/MC/MCSectionMachO.h"
-#include "llvm/MC/MCSectionXCOFF.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSubtargetInfo.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCSymbolELF.h"
-#include "llvm/MC/MCSymbolXCOFF.h"
 #include "llvm/MC/MCTargetOptions.h"
 #include "llvm/MC/MCValue.h"
 #include "llvm/MC/SectionKind.h"
-#include "llvm/MC/TargetRegistry.h"
 #include "llvm/Pass.h"
-#include "llvm/Remarks/Remark.h"
-#include "llvm/Remarks/RemarkFormat.h"
 #include "llvm/Remarks/RemarkStreamer.h"
-#include "llvm/Remarks/RemarkStringTable.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Compiler.h"
@@ -125,7 +117,6 @@
 #include <cinttypes>
 #include <cstdint>
 #include <iterator>
-#include <limits>
 #include <memory>
 #include <string>
 #include <utility>
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
@@ -10,7 +10,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "ByteStreamer.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/AsmPrinter.h"
@@ -19,14 +18,11 @@
 #include "llvm/IR/DataLayout.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCDwarf.h"
-#include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MachineLocation.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetMachine.h"
 #include <cstdint>
 using namespace llvm;
 
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
@@ -17,8 +17,8 @@
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
+#include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/DiagnosticInfo.h"
@@ -26,10 +26,10 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSubtargetInfo.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/TargetRegistry.h"
 #include "llvm/Support/ErrorHandling.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -11,7 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "CodeViewDebug.h"
-#include "DwarfExpression.h"
 #include "llvm/ADT/APSInt.h"
 #include "llvm/ADT/None.h"
 #include "llvm/ADT/Optional.h"
@@ -29,7 +28,6 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/TargetFrameLowering.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
@@ -41,7 +39,6 @@
 #include "llvm/DebugInfo/CodeView/EnumTables.h"
 #include "llvm/DebugInfo/CodeView/Line.h"
 #include "llvm/DebugInfo/CodeView/SymbolRecord.h"
-#include "llvm/DebugInfo/CodeView/TypeDumpVisitor.h"
 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
 #include "llvm/DebugInfo/CodeView/TypeTableCollection.h"
 #include "llvm/DebugInfo/CodeView/TypeVisitorCallbackPipeline.h"
@@ -58,11 +55,8 @@
 #include "llvm/MC/MCSectionCOFF.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"
-#include "llvm/Support/BinaryByteStream.h"
-#include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/BinaryStreamWriter.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/ErrorHandling.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/DIE.cpp b/llvm/lib/CodeGen/AsmPrinter/DIE.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DIE.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DIE.cpp
@@ -13,21 +13,15 @@
 #include "llvm/CodeGen/DIE.h"
 #include "DwarfCompileUnit.h"
 #include "DwarfDebug.h"
-#include "DwarfUnit.h"
-#include "llvm/ADT/Twine.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/Config/llvm-config.h"
-#include "llvm/IR/DataLayout.h"
 #include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/Format.h"
-#include "llvm/Support/FormattedStream.h"
 #include "llvm/Support/LEB128.h"
-#include "llvm/Support/MD5.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
diff --git a/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp b/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
@@ -19,7 +19,6 @@
 #include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/Endian.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
diff --git a/llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp b/llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp
@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/DbgEntityHistoryCalculator.h"
-#include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallSet.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp b/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
@@ -13,7 +13,6 @@
 
 #include "llvm/CodeGen/DebugHandlerBase.h"
 #include "llvm/ADT/Optional.h"
-#include "llvm/ADT/Twine.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstr.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
@@ -11,23 +11,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "DwarfException.h"
-#include "llvm/ADT/Twine.h"
 #include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/IR/Mangler.h"
-#include "llvm/IR/Module.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MachineLocation.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FormattedStream.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
@@ -25,7 +25,6 @@
 #include "llvm/CodeGen/LexicalScopes.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/Support/Casting.h"
-#include <algorithm>
 #include <cassert>
 #include <cstdint>
 #include <memory>
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -21,7 +21,6 @@
 #include "llvm/CodeGen/DIE.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/TargetFrameLowering.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -14,14 +14,13 @@
 #define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFDEBUG_H
 
 #include "AddressPool.h"
-#include "DebugLocStream.h"
 #include "DebugLocEntry.h"
+#include "DebugLocStream.h"
 #include "DwarfFile.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/MapVector.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
@@ -31,7 +30,6 @@
 #include "llvm/CodeGen/AccelTable.h"
 #include "llvm/CodeGen/DbgEntityHistoryCalculator.h"
 #include "llvm/CodeGen/DebugHandlerBase.h"
-#include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/IR/Metadata.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -31,8 +31,8 @@
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
-#include "llvm/DebugInfo/DWARF/DWARFExpression.h"
 #include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h"
+#include "llvm/DebugInfo/DWARF/DWARFExpression.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/GlobalVariable.h"
@@ -45,14 +45,11 @@
 #include "llvm/MC/MCTargetOptions.h"
 #include "llvm/MC/MachineLocation.h"
 #include "llvm/MC/SectionKind.h"
-#include "llvm/Pass.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MD5.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/Timer.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
@@ -12,9 +12,7 @@
 #include "DwarfUnit.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/IR/DebugInfoMetadata.h"
-#include "llvm/IR/Metadata.h"
 #include "llvm/MC/MCStreamer.h"
-#include <algorithm>
 #include <cstdint>
 
 using namespace llvm;
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -17,12 +17,8 @@
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/None.h"
-#include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/iterator_range.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
-#include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/GlobalValue.h"
@@ -32,9 +28,7 @@
 #include "llvm/MC/MCDwarf.h"
 #include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MachineLocation.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/CommandLine.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include <cassert>
 #include <cstdint>
diff --git a/llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp b/llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp
@@ -19,7 +19,6 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineOperand.h"
-#include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Function.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/ErlangGCPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/ErlangGCPrinter.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/ErlangGCPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/ErlangGCPrinter.cpp
@@ -23,7 +23,6 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 
 using namespace llvm;
diff --git a/llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.cpp
@@ -13,7 +13,7 @@
 #include "PseudoProbePrinter.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/IR/DebugInfoMetadata.h"
-#include "llvm/IR/Module.h"
+#include "llvm/IR/Function.h"
 #include "llvm/IR/PseudoProbe.h"
 #include "llvm/MC/MCPseudoProbe.h"
 #include "llvm/MC/MCStreamer.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/WasmException.h b/llvm/lib/CodeGen/AsmPrinter/WasmException.h
--- a/llvm/lib/CodeGen/AsmPrinter/WasmException.h
+++ b/llvm/lib/CodeGen/AsmPrinter/WasmException.h
@@ -15,9 +15,12 @@
 #define LLVM_LIB_CODEGEN_ASMPRINTER_WASMEXCEPTION_H
 
 #include "EHStreamer.h"
-#include "llvm/CodeGen/AsmPrinter.h"
 
 namespace llvm {
+class AsmPrinter;
+class MachineFunction;
+struct LandingPadInfo;
+template <typename T> class SmallVectorImpl;
 
 class LLVM_LIBRARY_VISIBILITY WasmException : public EHStreamer {
 public:
diff --git a/llvm/lib/CodeGen/AsmPrinter/WasmException.cpp b/llvm/lib/CodeGen/AsmPrinter/WasmException.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/WasmException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/WasmException.cpp
@@ -12,6 +12,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "WasmException.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/IR/Mangler.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCStreamer.h"
diff --git a/llvm/lib/CodeGen/AsmPrinter/WinCFGuard.cpp b/llvm/lib/CodeGen/AsmPrinter/WinCFGuard.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/WinCFGuard.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/WinCFGuard.cpp
@@ -15,11 +15,8 @@
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/IR/Constants.h"
-#include "llvm/IR/Instructions.h"
-#include "llvm/IR/Metadata.h"
-#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/IR/InstrTypes.h"
 #include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCStreamer.h"
 
diff --git a/llvm/lib/CodeGen/AsmPrinter/WinException.cpp b/llvm/lib/CodeGen/AsmPrinter/WinException.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/WinException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/WinException.cpp
@@ -23,19 +23,13 @@
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/CodeGen/WinEHFuncInfo.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/IR/Mangler.h"
 #include "llvm/IR/Module.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FormattedStream.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
 using namespace llvm;
 
 WinException::WinException(AsmPrinter *A) : EHStreamer(A) {
diff --git a/llvm/lib/CodeGen/GlobalISel/CSEMIRBuilder.cpp b/llvm/lib/CodeGen/GlobalISel/CSEMIRBuilder.cpp
--- a/llvm/lib/CodeGen/GlobalISel/CSEMIRBuilder.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CSEMIRBuilder.cpp
@@ -12,6 +12,7 @@
 //
 
 #include "llvm/CodeGen/GlobalISel/CSEMIRBuilder.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
 #include "llvm/CodeGen/GlobalISel/Utils.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
diff --git a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
--- a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
@@ -21,7 +21,6 @@
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Target/TargetMachine.h"
diff --git a/llvm/lib/CodeGen/GlobalISel/Combiner.cpp b/llvm/lib/CodeGen/GlobalISel/Combiner.cpp
--- a/llvm/lib/CodeGen/GlobalISel/Combiner.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/Combiner.cpp
@@ -13,14 +13,13 @@
 #include "llvm/CodeGen/GlobalISel/Combiner.h"
 #include "llvm/ADT/PostOrderIterator.h"
 #include "llvm/CodeGen/GlobalISel/CSEInfo.h"
-#include "llvm/CodeGen/GlobalISel/CombinerInfo.h"
 #include "llvm/CodeGen/GlobalISel/CSEMIRBuilder.h"
+#include "llvm/CodeGen/GlobalISel/CombinerInfo.h"
 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
 #include "llvm/CodeGen/GlobalISel/GISelWorkList.h"
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/GlobalISel/Utils.h"
 #include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
-#include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/Support/Debug.h"
 
 #define DEBUG_TYPE "gi-combiner"
diff --git a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
--- a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
@@ -8,7 +8,6 @@
 #include "llvm/CodeGen/GlobalISel/CombinerHelper.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallBitVector.h"
-#include "llvm/CodeGen/GlobalISel/Combiner.h"
 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
 #include "llvm/CodeGen/GlobalISel/GISelKnownBits.h"
 #include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
@@ -20,7 +19,6 @@
 #include "llvm/CodeGen/LowLevelType.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineDominators.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
diff --git a/llvm/lib/CodeGen/GlobalISel/GlobalISel.cpp b/llvm/lib/CodeGen/GlobalISel/GlobalISel.cpp
--- a/llvm/lib/CodeGen/GlobalISel/GlobalISel.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/GlobalISel.cpp
@@ -11,7 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/InitializePasses.h"
-#include "llvm/PassRegistry.h"
 
 using namespace llvm;
 
diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
--- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -16,10 +16,11 @@
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Analysis/BranchProbabilityInfo.h"
-#include "llvm/Analysis/Loads.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/CodeGen/Analysis.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
+#include "llvm/CodeGen/GlobalISel/CSEMIRBuilder.h"
 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
 #include "llvm/CodeGen/GlobalISel/InlineAsmLowering.h"
@@ -47,7 +48,6 @@
 #include "llvm/IR/Constant.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/IR/DebugInfo.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/DiagnosticInfo.h"
 #include "llvm/IR/Function.h"
@@ -78,7 +78,6 @@
 #include "llvm/Transforms/Utils/MemoryOpRemark.h"
 #include <algorithm>
 #include <cassert>
-#include <cstddef>
 #include <cstdint>
 #include <iterator>
 #include <string>
diff --git a/llvm/lib/CodeGen/GlobalISel/InlineAsmLowering.cpp b/llvm/lib/CodeGen/GlobalISel/InlineAsmLowering.cpp
--- a/llvm/lib/CodeGen/GlobalISel/InlineAsmLowering.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/InlineAsmLowering.cpp
@@ -12,15 +12,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/GlobalISel/InlineAsmLowering.h"
-#include "llvm/CodeGen/Analysis.h"
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
-#include "llvm/CodeGen/GlobalISel/Utils.h"
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/IR/Instructions.h"
-#include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 
 #define DEBUG_TYPE "inline-asm-lowering"
diff --git a/llvm/lib/CodeGen/GlobalISel/InstructionSelect.cpp b/llvm/lib/CodeGen/GlobalISel/InstructionSelect.cpp
--- a/llvm/lib/CodeGen/GlobalISel/InstructionSelect.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/InstructionSelect.cpp
@@ -12,8 +12,6 @@
 #include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
 #include "llvm/ADT/PostOrderIterator.h"
 #include "llvm/ADT/ScopeExit.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Analysis/BlockFrequencyInfo.h"
 #include "llvm/Analysis/LazyBlockFrequencyInfo.h"
 #include "llvm/Analysis/ProfileSummaryInfo.h"
 #include "llvm/CodeGen/GlobalISel/GISelKnownBits.h"
@@ -23,14 +21,13 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/Config/config.h"
-#include "llvm/IR/Constants.h"
 #include "llvm/IR/Function.h"
 #include "llvm/MC/TargetRegistry.h"
+#include "llvm/Support/CodeGenCoverage.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Target/TargetMachine.h"
diff --git a/llvm/lib/CodeGen/GlobalISel/InstructionSelector.cpp b/llvm/lib/CodeGen/GlobalISel/InstructionSelector.cpp
--- a/llvm/lib/CodeGen/GlobalISel/InstructionSelector.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/InstructionSelector.cpp
@@ -13,16 +13,9 @@
 
 #include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
 #include "llvm/CodeGen/GlobalISel/Utils.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/CodeGen/TargetRegisterInfo.h"
-#include "llvm/MC/MCInstrDesc.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cassert>
 
 #define DEBUG_TYPE "instructionselector"
 
diff --git a/llvm/lib/CodeGen/GlobalISel/Legalizer.cpp b/llvm/lib/CodeGen/GlobalISel/Legalizer.cpp
--- a/llvm/lib/CodeGen/GlobalISel/Legalizer.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/Legalizer.cpp
@@ -14,8 +14,6 @@
 
 #include "llvm/CodeGen/GlobalISel/Legalizer.h"
 #include "llvm/ADT/PostOrderIterator.h"
-#include "llvm/ADT/SetVector.h"
-#include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/CSEMIRBuilder.h"
 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
@@ -25,15 +23,11 @@
 #include "llvm/CodeGen/GlobalISel/LostDebugLocObserver.h"
 #include "llvm/CodeGen/GlobalISel/Utils.h"
 #include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
-#include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Error.h"
-#include "llvm/Target/TargetMachine.h"
-
-#include <iterator>
 
 #define DEBUG_TYPE "legalizer"
 
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -15,11 +15,14 @@
 #include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
+#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
 #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
 #include "llvm/CodeGen/GlobalISel/LostDebugLocObserver.h"
 #include "llvm/CodeGen/GlobalISel/MIPatternMatch.h"
+#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/GlobalISel/Utils.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/TargetFrameLowering.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerInfo.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerInfo.cpp
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerInfo.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerInfo.cpp
@@ -13,7 +13,6 @@
 
 #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
 #include "llvm/ADT/SmallBitVector.h"
-#include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
@@ -23,9 +22,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/LowLevelTypeImpl.h"
-#include "llvm/Support/MathExtras.h"
 #include <algorithm>
-#include <map>
 
 using namespace llvm;
 using namespace LegalizeActions;
diff --git a/llvm/lib/CodeGen/GlobalISel/Localizer.cpp b/llvm/lib/CodeGen/GlobalISel/Localizer.cpp
--- a/llvm/lib/CodeGen/GlobalISel/Localizer.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/Localizer.cpp
@@ -13,6 +13,7 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
+#include "llvm/CodeGen/GlobalISel/Utils.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/InitializePasses.h"
diff --git a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
--- a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
@@ -9,8 +9,6 @@
 /// This file implements the MachineIRBuidler class.
 //===----------------------------------------------------------------------===//
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
-#include "llvm/Analysis/MemoryLocation.h"
-#include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
@@ -19,7 +17,7 @@
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetOpcodes.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
-#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/DebugInfoMetadata.h"
 
 using namespace llvm;
 
diff --git a/llvm/lib/CodeGen/GlobalISel/RegBankSelect.cpp b/llvm/lib/CodeGen/GlobalISel/RegBankSelect.cpp
--- a/llvm/lib/CodeGen/GlobalISel/RegBankSelect.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/RegBankSelect.cpp
@@ -30,7 +30,6 @@
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/Config/llvm-config.h"
-#include "llvm/IR/Attributes.h"
 #include "llvm/IR/Function.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
diff --git a/llvm/lib/CodeGen/GlobalISel/Utils.cpp b/llvm/lib/CodeGen/GlobalISel/Utils.cpp
--- a/llvm/lib/CodeGen/GlobalISel/Utils.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/Utils.cpp
@@ -16,6 +16,7 @@
 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
 #include "llvm/CodeGen/GlobalISel/GISelKnownBits.h"
 #include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
+#include "llvm/CodeGen/GlobalISel/LostDebugLocObserver.h"
 #include "llvm/CodeGen/GlobalISel/MIPatternMatch.h"
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/MachineInstr.h"
diff --git a/llvm/lib/CodeGen/InterleavedAccessPass.cpp b/llvm/lib/CodeGen/InterleavedAccessPass.cpp
--- a/llvm/lib/CodeGen/InterleavedAccessPass.cpp
+++ b/llvm/lib/CodeGen/InterleavedAccessPass.cpp
@@ -46,6 +46,7 @@
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
diff --git a/llvm/lib/CodeGen/LiveIntervalCalc.cpp b/llvm/lib/CodeGen/LiveIntervalCalc.cpp
--- a/llvm/lib/CodeGen/LiveIntervalCalc.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalCalc.cpp
@@ -14,7 +14,6 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/iterator_range.h"
 #include "llvm/CodeGen/LiveInterval.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.cpp b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
--- a/llvm/lib/CodeGen/MIRParser/MILexer.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MILexer.cpp
@@ -15,7 +15,6 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Twine.h"
-#include <algorithm>
 #include <cassert>
 #include <cctype>
 #include <string>
diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -60,7 +60,6 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDwarf.h"
 #include "llvm/MC/MCInstrDesc.h"
-#include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/Support/AtomicOrdering.h"
 #include "llvm/Support/BranchProbability.h"
 #include "llvm/Support/Casting.h"
@@ -69,10 +68,8 @@
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/SMLoc.h"
 #include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetIntrinsicInfo.h"
 #include "llvm/Target/TargetMachine.h"
-#include <algorithm>
 #include <cassert>
 #include <cctype>
 #include <cstddef>
diff --git a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp
--- a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp
@@ -13,7 +13,6 @@
 
 #include "llvm/CodeGen/MIRParser/MIRParser.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/AsmParser/Parser.h"
@@ -25,11 +24,9 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/CodeGen/RegisterBank.h"
-#include "llvm/CodeGen/RegisterBankInfo.h"
 #include "llvm/CodeGen/TargetFrameLowering.h"
 #include "llvm/IR/BasicBlock.h"
-#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/DiagnosticInfo.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
@@ -46,6 +43,11 @@
 using namespace llvm;
 
 namespace llvm {
+class DIExpression;
+class DILocalVariable;
+class DILocation;
+class MDNode;
+class RegisterBank;
 
 /// This class implements the parsing of LLVM IR that's embedded inside a MIR
 /// file.
diff --git a/llvm/lib/CodeGen/MachineDominanceFrontier.cpp b/llvm/lib/CodeGen/MachineDominanceFrontier.cpp
--- a/llvm/lib/CodeGen/MachineDominanceFrontier.cpp
+++ b/llvm/lib/CodeGen/MachineDominanceFrontier.cpp
@@ -10,6 +10,8 @@
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/InitializePasses.h"
+#include "llvm/Pass.h"
+#include "llvm/PassRegistry.h"
 
 using namespace llvm;
 
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -74,7 +74,6 @@
 #include <algorithm>
 #include <cassert>
 #include <cstdint>
-#include <tuple>
 #include <utility>
 
 using namespace llvm;
diff --git a/llvm/lib/CodeGen/RegAllocScore.cpp b/llvm/lib/CodeGen/RegAllocScore.cpp
--- a/llvm/lib/CodeGen/RegAllocScore.cpp
+++ b/llvm/lib/CodeGen/RegAllocScore.cpp
@@ -13,9 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "RegAllocScore.h"
-#include "llvm/ADT/DenseMapInfo.h"
 #include "llvm/ADT/STLForwardCompat.h"
-#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/ilist_iterator.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -35,7 +35,6 @@
 #include "llvm/Analysis/VectorUtils.h"
 #include "llvm/CodeGen/DAGCombine.h"
 #include "llvm/CodeGen/ISDOpcodes.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/RuntimeLibcalls.h"
@@ -52,7 +51,6 @@
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/Function.h"
-#include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Metadata.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CodeGen.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -72,7 +72,6 @@
 #include "llvm/IR/Constant.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/IR/DebugInfo.h"
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/DiagnosticInfo.h"
@@ -94,7 +93,6 @@
 #include "llvm/IR/Value.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCInstrDesc.h"
-#include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -31,13 +31,10 @@
 #include "llvm/IR/Function.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
-#include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetOptions.h"
 #include <algorithm>
 using namespace llvm;
 
diff --git a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
@@ -14,23 +14,18 @@
 
 #include "InstrEmitter.h"
 #include "SDNodeDbgValue.h"
-#include "llvm/ADT/Statistic.h"
 #include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/StackMaps.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/PseudoProbe.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MathExtras.h"
 #include "llvm/Target/TargetMachine.h"
 using namespace llvm;
 
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -45,7 +45,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
-#include <algorithm>
 #include <cassert>
 #include <cstdint>
 #include <tuple>
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
@@ -19,7 +19,6 @@
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/Support/Compiler.h"
-#include "llvm/Support/Debug.h"
 
 namespace llvm {
 
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
@@ -13,10 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "LegalizeTypes.h"
-#include "SDNodeDbgValue.h"
 #include "llvm/ADT/SetVector.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/IR/CallingConv.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ErrorHandling.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
@@ -26,11 +26,9 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/ADT/APInt.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/ISDOpcodes.h"
-#include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/SelectionDAGNodes.h"
 #include "llvm/CodeGen/TargetLowering.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp b/llvm/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
@@ -20,7 +20,6 @@
 
 #include "llvm/CodeGen/ResourcePriorityQueue.h"
 #include "llvm/CodeGen/DFAPacketizer.h"
-#include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/SelectionDAGISel.h"
 #include "llvm/CodeGen/SelectionDAGNodes.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
@@ -28,9 +27,6 @@
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetMachine.h"
 
 using namespace llvm;
 
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
@@ -11,16 +11,14 @@
 //===----------------------------------------------------------------------===//
 
 #include "InstrEmitter.h"
-#include "ScheduleDAGSDNodes.h"
 #include "SDNodeDbgValue.h"
-#include "llvm/ADT/STLExtras.h"
+#include "ScheduleDAGSDNodes.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/CodeGen/SchedulerRegistry.h"
 #include "llvm/CodeGen/SelectionDAGISel.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
-#include "llvm/IR/DataLayout.h"
 #include "llvm/IR/InlineAsm.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGVLIW.cpp
@@ -19,19 +19,15 @@
 
 #include "ScheduleDAGSDNodes.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/CodeGen/LatencyPriorityQueue.h"
 #include "llvm/CodeGen/ResourcePriorityQueue.h"
 #include "llvm/CodeGen/ScheduleHazardRecognizer.h"
 #include "llvm/CodeGen/SchedulerRegistry.h"
 #include "llvm/CodeGen/SelectionDAGISel.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
-#include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
-#include "llvm/IR/DataLayout.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
-#include <climits>
 using namespace llvm;
 
 #define DEBUG_TYPE "pre-RA-sched"
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -24,9 +24,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/ADT/Twine.h"
-#include "llvm/Analysis/BlockFrequencyInfo.h"
 #include "llvm/Analysis/MemoryLocation.h"
-#include "llvm/Analysis/ProfileSummaryInfo.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/CodeGen/Analysis.h"
 #include "llvm/CodeGen/FunctionLoweringInfo.h"
@@ -55,7 +53,6 @@
 #include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/Metadata.h"
 #include "llvm/IR/Type.h"
-#include "llvm/IR/Value.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CodeGen.h"
 #include "llvm/Support/Compiler.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -24,16 +24,12 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/BlockFrequencyInfo.h"
 #include "llvm/Analysis/BranchProbabilityInfo.h"
 #include "llvm/Analysis/ConstantFolding.h"
 #include "llvm/Analysis/EHPersonalities.h"
-#include "llvm/Analysis/Loads.h"
 #include "llvm/Analysis/MemoryLocation.h"
-#include "llvm/Analysis/ProfileSummaryInfo.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/Analysis/ValueTracking.h"
-#include "llvm/Analysis/VectorUtils.h"
 #include "llvm/CodeGen/Analysis.h"
 #include "llvm/CodeGen/FunctionLoweringInfo.h"
 #include "llvm/CodeGen/GCMetadata.h"
@@ -42,7 +38,6 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "llvm/CodeGen/MachineJumpTableInfo.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/MachineOperand.h"
@@ -89,7 +84,6 @@
 #include "llvm/IR/User.h"
 #include "llvm/IR/Value.h"
 #include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/AtomicOrdering.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
@@ -102,10 +96,8 @@
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Transforms/Utils/Local.h"
 #include <cstddef>
-#include <cstring>
 #include <iterator>
 #include <limits>
-#include <numeric>
 #include <tuple>
 
 using namespace llvm;
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
@@ -10,9 +10,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "SDNodeDbgValue.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/APInt.h"
-#include "llvm/ADT/None.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/CodeGen/ISDOpcodes.h"
@@ -45,7 +45,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetIntrinsicInfo.h"
 #include "llvm/Target/TargetMachine.h"
-#include "SDNodeDbgValue.h"
 #include <cstdint>
 #include <iterator>
 
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -15,11 +15,9 @@
 #include "SelectionDAGBuilder.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/None.h"
 #include "llvm/ADT/PostOrderIterator.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringRef.h"
@@ -70,7 +68,6 @@
 #include "llvm/IR/Function.h"
 #include "llvm/IR/InlineAsm.h"
 #include "llvm/IR/InstIterator.h"
-#include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
@@ -83,7 +80,6 @@
 #include "llvm/IR/Value.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/MC/MCInstrDesc.h"
-#include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/BranchProbability.h"
 #include "llvm/Support/Casting.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -13,15 +13,11 @@
 #include "ScheduleDAGSDNodes.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/CodeGen/TargetRegisterInfo.h"
-#include "llvm/IR/Constants.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/GraphWriter.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetMachine.h"
 using namespace llvm;
 
 #define DEBUG_TYPE "dag-printer"
diff --git a/llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
@@ -17,7 +17,10 @@
 #include "llvm/ADT/None.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SetVector.h"
+#include "llvm/ADT/SmallBitVector.h"
 #include "llvm/ADT/SmallSet.h"
+#include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/CodeGen/FunctionLoweringInfo.h"
 #include "llvm/CodeGen/GCMetadata.h"
@@ -27,6 +30,7 @@
 #include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/RuntimeLibcalls.h"
 #include "llvm/CodeGen/SelectionDAG.h"
+#include "llvm/CodeGen/SelectionDAGNodes.h"
 #include "llvm/CodeGen/StackMaps.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetOpcodes.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -19,7 +19,6 @@
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
-#include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/GlobalVariable.h"
@@ -30,7 +29,6 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/KnownBits.h"
 #include "llvm/Support/MathExtras.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
 #include <cctype>
 using namespace llvm;
diff --git a/llvm/lib/DWARFLinker/DWARFLinker.cpp b/llvm/lib/DWARFLinker/DWARFLinker.cpp
--- a/llvm/lib/DWARFLinker/DWARFLinker.cpp
+++ b/llvm/lib/DWARFLinker/DWARFLinker.cpp
@@ -10,7 +10,6 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/Triple.h"
 #include "llvm/CodeGen/NonRelocatableStringpool.h"
 #include "llvm/DWARFLinker/DWARFLinkerDeclContext.h"
 #include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h"
@@ -19,9 +18,11 @@
 #include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
 #include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h"
 #include "llvm/DebugInfo/DWARF/DWARFDie.h"
+#include "llvm/DebugInfo/DWARF/DWARFExpression.h"
 #include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
 #include "llvm/DebugInfo/DWARF/DWARFSection.h"
 #include "llvm/DebugInfo/DWARF/DWARFUnit.h"
+#include "llvm/MC/MCDwarf.h"
 #include "llvm/Support/DataExtractor.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/ErrorHandling.h"
diff --git a/llvm/lib/DWARFLinker/DWARFLinkerDeclContext.cpp b/llvm/lib/DWARFLinker/DWARFLinkerDeclContext.cpp
--- a/llvm/lib/DWARFLinker/DWARFLinkerDeclContext.cpp
+++ b/llvm/lib/DWARFLinker/DWARFLinkerDeclContext.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DWARFLinker/DWARFLinkerDeclContext.h"
+#include "llvm/DWARFLinker/DWARFLinkerCompileUnit.h"
 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
 #include "llvm/DebugInfo/DWARF/DWARFDie.h"
 #include "llvm/DebugInfo/DWARF/DWARFUnit.h"
diff --git a/llvm/lib/DWARFLinker/DWARFStreamer.cpp b/llvm/lib/DWARFLinker/DWARFStreamer.cpp
--- a/llvm/lib/DWARFLinker/DWARFStreamer.cpp
+++ b/llvm/lib/DWARFLinker/DWARFStreamer.cpp
@@ -18,7 +18,6 @@
 #include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCTargetOptions.h"
 #include "llvm/MC/MCTargetOptionsCommandFlags.h"
 #include "llvm/MC/TargetRegistry.h"
diff --git a/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp
--- a/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp
@@ -10,6 +10,7 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
+#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
 #include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/BinaryStreamWriter.h"
 #include "llvm/Support/Endian.h"
diff --git a/llvm/lib/DebugInfo/CodeView/TypeDumpVisitor.cpp b/llvm/lib/DebugInfo/CodeView/TypeDumpVisitor.cpp
--- a/llvm/lib/DebugInfo/CodeView/TypeDumpVisitor.cpp
+++ b/llvm/lib/DebugInfo/CodeView/TypeDumpVisitor.cpp
@@ -14,7 +14,6 @@
 #include "llvm/DebugInfo/CodeView/TypeCollection.h"
 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
-#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FormatVariadic.h"
 #include "llvm/Support/ScopedPrinter.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/llvm/lib/DebugInfo/CodeView/TypeRecordMapping.cpp b/llvm/lib/DebugInfo/CodeView/TypeRecordMapping.cpp
--- a/llvm/lib/DebugInfo/CodeView/TypeRecordMapping.cpp
+++ b/llvm/lib/DebugInfo/CodeView/TypeRecordMapping.cpp
@@ -19,7 +19,6 @@
 #include "llvm/DebugInfo/CodeView/RecordSerialization.h"
 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
-#include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MD5.h"
 #include "llvm/Support/ScopedPrinter.h"
diff --git a/llvm/lib/DebugInfo/PDB/Native/DbiModuleList.cpp b/llvm/lib/DebugInfo/PDB/Native/DbiModuleList.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/DbiModuleList.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/DbiModuleList.cpp
@@ -10,6 +10,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/iterator_range.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
+#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
 #include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/Error.h"
 #include <algorithm>
diff --git a/llvm/lib/DebugInfo/PDB/Native/DbiStream.cpp b/llvm/lib/DebugInfo/PDB/Native/DbiStream.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/DbiStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/DbiStream.cpp
@@ -9,7 +9,6 @@
 #include "llvm/DebugInfo/PDB/Native/DbiStream.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
-#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
 #include "llvm/DebugInfo/PDB/Native/ISectionContribVisitor.h"
 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
@@ -20,7 +19,6 @@
 #include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/Error.h"
-#include <algorithm>
 #include <cstddef>
 #include <cstdint>
 
diff --git a/llvm/lib/DebugInfo/PDB/Native/EnumTables.cpp b/llvm/lib/DebugInfo/PDB/Native/EnumTables.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/EnumTables.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/EnumTables.cpp
@@ -8,6 +8,7 @@
 
 #include "llvm/DebugInfo/PDB/Native/EnumTables.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
+#include "llvm/Support/ScopedPrinter.h"
 
 using namespace llvm;
 using namespace llvm::pdb;
diff --git a/llvm/lib/DebugInfo/PDB/Native/GlobalsStream.cpp b/llvm/lib/DebugInfo/PDB/Native/GlobalsStream.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/GlobalsStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/GlobalsStream.cpp
@@ -21,6 +21,7 @@
 #include "llvm/DebugInfo/PDB/Native/GlobalsStream.h"
 
 #include "llvm/DebugInfo/CodeView/RecordName.h"
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/Hash.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
 #include "llvm/DebugInfo/PDB/Native/SymbolStream.h"
diff --git a/llvm/lib/DebugInfo/PDB/Native/HashTable.cpp b/llvm/lib/DebugInfo/PDB/Native/HashTable.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/HashTable.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/HashTable.cpp
@@ -7,14 +7,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/PDB/Native/HashTable.h"
-#include "llvm/ADT/Optional.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
 #include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/BinaryStreamWriter.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/MathExtras.h"
-#include <algorithm>
-#include <cassert>
 #include <cstdint>
 #include <utility>
 
diff --git a/llvm/lib/DebugInfo/PDB/Native/InfoStream.cpp b/llvm/lib/DebugInfo/PDB/Native/InfoStream.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/InfoStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/InfoStream.cpp
@@ -7,8 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/PDB/Native/InfoStream.h"
-#include "llvm/ADT/BitVector.h"
-#include "llvm/ADT/SmallVector.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
 #include "llvm/DebugInfo/PDB/Native/RawTypes.h"
@@ -16,7 +14,7 @@
 
 using namespace llvm;
 using namespace llvm::codeview;
-using namespace llvm::msf;
+// using namespace llvm::msf;
 using namespace llvm::pdb;
 
 InfoStream::InfoStream(std::unique_ptr<BinaryStream> Stream)
diff --git a/llvm/lib/DebugInfo/PDB/Native/InfoStreamBuilder.cpp b/llvm/lib/DebugInfo/PDB/Native/InfoStreamBuilder.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/InfoStreamBuilder.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/InfoStreamBuilder.cpp
@@ -11,8 +11,8 @@
 #include "llvm/DebugInfo/MSF/MSFBuilder.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
-#include "llvm/DebugInfo/PDB/Native/RawError.h"
 #include "llvm/DebugInfo/PDB/Native/RawTypes.h"
+#include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/BinaryStreamWriter.h"
 
 using namespace llvm;
diff --git a/llvm/lib/DebugInfo/PDB/Native/InjectedSourceStream.cpp b/llvm/lib/DebugInfo/PDB/Native/InjectedSourceStream.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/InjectedSourceStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/InjectedSourceStream.cpp
@@ -9,7 +9,7 @@
 #include "llvm/DebugInfo/PDB/Native/InjectedSourceStream.h"
 
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
-#include "llvm/DebugInfo/PDB/Native/Hash.h"
+#include "llvm/DebugInfo/PDB/Native/HashTable.h"
 #include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
 #include "llvm/DebugInfo/PDB/Native/RawTypes.h"
diff --git a/llvm/lib/DebugInfo/PDB/Native/ModuleDebugStream.cpp b/llvm/lib/DebugInfo/PDB/Native/ModuleDebugStream.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/ModuleDebugStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/ModuleDebugStream.cpp
@@ -10,16 +10,17 @@
 #include "llvm/ADT/iterator_range.h"
 #include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
-#include "llvm/DebugInfo/CodeView/SymbolDeserializer.h"
-#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
 #include "llvm/DebugInfo/CodeView/SymbolRecordHelpers.h"
+#include "llvm/DebugInfo/MSF/MSFCommon.h"
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
+#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
+#include "llvm/Support/BinaryStreamArray.h"
 #include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/BinaryStreamRef.h"
 #include "llvm/Support/Error.h"
-#include <algorithm>
 #include <cstdint>
 
 using namespace llvm;
diff --git a/llvm/lib/DebugInfo/PDB/Native/NamedStreamMap.cpp b/llvm/lib/DebugInfo/PDB/Native/NamedStreamMap.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/NamedStreamMap.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/NamedStreamMap.cpp
@@ -7,21 +7,19 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
+#include "llvm/ADT/SparseBitVector.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/iterator_range.h"
 #include "llvm/DebugInfo/PDB/Native/Hash.h"
 #include "llvm/DebugInfo/PDB/Native/HashTable.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
 #include "llvm/Support/BinaryStreamReader.h"
-#include "llvm/Support/BinaryStreamRef.h"
 #include "llvm/Support/BinaryStreamWriter.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
 #include <algorithm>
 #include <cassert>
 #include <cstdint>
-#include <tuple>
 
 using namespace llvm;
 using namespace llvm::pdb;
diff --git a/llvm/lib/DebugInfo/PDB/Native/NativeEnumInjectedSources.cpp b/llvm/lib/DebugInfo/PDB/Native/NativeEnumInjectedSources.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/NativeEnumInjectedSources.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/NativeEnumInjectedSources.cpp
@@ -8,9 +8,11 @@
 
 #include "llvm/DebugInfo/PDB/Native/NativeEnumInjectedSources.h"
 
-#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
+#include "llvm/DebugInfo/PDB/Native/HashTable.h"
 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
 #include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
+#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
 
 namespace llvm {
 namespace pdb {
diff --git a/llvm/lib/DebugInfo/PDB/Native/NativeEnumLineNumbers.cpp b/llvm/lib/DebugInfo/PDB/Native/NativeEnumLineNumbers.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/NativeEnumLineNumbers.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/NativeEnumLineNumbers.cpp
@@ -8,11 +8,12 @@
 
 #include "llvm/DebugInfo/PDB/Native/NativeEnumLineNumbers.h"
 
-#include "llvm/ADT/DenseMapInfo.h"
 #include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
 #include "llvm/DebugInfo/PDB/Native/NativeLineNumber.h"
 
+#include <vector>
+
 using namespace llvm;
 using namespace llvm::codeview;
 using namespace llvm::pdb;
diff --git a/llvm/lib/DebugInfo/PDB/Native/NativeEnumTypes.cpp b/llvm/lib/DebugInfo/PDB/Native/NativeEnumTypes.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/NativeEnumTypes.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/NativeEnumTypes.cpp
@@ -18,7 +18,6 @@
 #include "llvm/DebugInfo/PDB/Native/SymbolCache.h"
 #include "llvm/DebugInfo/PDB/PDBSymbol.h"
 #include "llvm/DebugInfo/PDB/PDBTypes.h"
-#include "llvm/Support/ErrorHandling.h"
 
 using namespace llvm;
 using namespace llvm::codeview;
diff --git a/llvm/lib/DebugInfo/PDB/Native/NativeInlineSiteSymbol.cpp b/llvm/lib/DebugInfo/PDB/Native/NativeInlineSiteSymbol.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/NativeInlineSiteSymbol.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/NativeInlineSiteSymbol.cpp
@@ -14,8 +14,10 @@
 #include "llvm/DebugInfo/CodeView/TypeDeserializer.h"
 #include "llvm/DebugInfo/PDB/Native/ModuleDebugStream.h"
 #include "llvm/DebugInfo/PDB/Native/NativeEnumLineNumbers.h"
+#include "llvm/DebugInfo/PDB/Native/NativeLineNumber.h"
 #include "llvm/DebugInfo/PDB/Native/NativeSession.h"
 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
+#include "llvm/DebugInfo/PDB/Native/SymbolCache.h"
 #include "llvm/DebugInfo/PDB/Native/TpiStream.h"
 #include "llvm/DebugInfo/PDB/PDBExtras.h"
 
diff --git a/llvm/lib/DebugInfo/PDB/Native/NativeTypeBuiltin.cpp b/llvm/lib/DebugInfo/PDB/Native/NativeTypeBuiltin.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/NativeTypeBuiltin.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/NativeTypeBuiltin.cpp
@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/PDB/Native/NativeTypeBuiltin.h"
-#include "llvm/Support/FormatVariadic.h"
 
 using namespace llvm;
 using namespace llvm::codeview;
diff --git a/llvm/lib/DebugInfo/PDB/Native/NativeTypeTypedef.cpp b/llvm/lib/DebugInfo/PDB/Native/NativeTypeTypedef.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/NativeTypeTypedef.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/NativeTypeTypedef.cpp
@@ -1,4 +1,6 @@
 #include "llvm/DebugInfo/PDB/Native/NativeTypeTypedef.h"
+#include "llvm/DebugInfo/PDB/Native/NativeSession.h"
+#include "llvm/DebugInfo/PDB/PDBExtras.h"
 
 using namespace llvm;
 using namespace llvm::codeview;
diff --git a/llvm/lib/DebugInfo/PDB/Native/PDBFile.cpp b/llvm/lib/DebugInfo/PDB/Native/PDBFile.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/PDBFile.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/PDBFile.cpp
@@ -8,7 +8,6 @@
 
 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/DebugInfo/MSF/MSFCommon.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/DbiStream.h"
diff --git a/llvm/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp b/llvm/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp
@@ -9,7 +9,6 @@
 #include "llvm/DebugInfo/PDB/Native/PDBFileBuilder.h"
 #include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/GUID.h"
-#include "llvm/DebugInfo/MSF/IMSFFile.h"
 #include "llvm/DebugInfo/MSF/MSFBuilder.h"
 #include "llvm/DebugInfo/MSF/MSFCommon.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
diff --git a/llvm/lib/DebugInfo/PDB/Native/PDBStringTable.cpp b/llvm/lib/DebugInfo/PDB/Native/PDBStringTable.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/PDBStringTable.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/PDBStringTable.cpp
@@ -8,7 +8,6 @@
 
 #include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
 
-#include "llvm/ADT/ArrayRef.h"
 #include "llvm/DebugInfo/PDB/Native/Hash.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
 #include "llvm/DebugInfo/PDB/Native/RawTypes.h"
diff --git a/llvm/lib/DebugInfo/PDB/Native/PublicsStream.cpp b/llvm/lib/DebugInfo/PDB/Native/PublicsStream.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/PublicsStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/PublicsStream.cpp
@@ -22,14 +22,12 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/PDB/Native/PublicsStream.h"
-#include "llvm/ADT/iterator_range.h"
-#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/RawError.h"
+#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
 #include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/Error.h"
-#include <algorithm>
 #include <cstdint>
 
 using namespace llvm;
diff --git a/llvm/lib/DebugInfo/PDB/Native/SymbolCache.cpp b/llvm/lib/DebugInfo/PDB/Native/SymbolCache.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/SymbolCache.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/SymbolCache.cpp
@@ -33,13 +33,10 @@
 #include "llvm/DebugInfo/PDB/Native/NativeTypeVTShape.h"
 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
 #include "llvm/DebugInfo/PDB/Native/PublicsStream.h"
-#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
 #include "llvm/DebugInfo/PDB/Native/SymbolStream.h"
 #include "llvm/DebugInfo/PDB/Native/TpiStream.h"
 #include "llvm/DebugInfo/PDB/PDBSymbol.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
-#include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
-#include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
 
 using namespace llvm;
 using namespace llvm::codeview;
diff --git a/llvm/lib/DebugInfo/PDB/Native/SymbolStream.cpp b/llvm/lib/DebugInfo/PDB/Native/SymbolStream.cpp
--- a/llvm/lib/DebugInfo/PDB/Native/SymbolStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/SymbolStream.cpp
@@ -8,10 +8,7 @@
 
 #include "llvm/DebugInfo/PDB/Native/SymbolStream.h"
 
-#include "llvm/DebugInfo/CodeView/CodeView.h"
-#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
-#include "llvm/Support/BinaryStreamReader.h"
 #include "llvm/Support/Endian.h"
 
 using namespace llvm;
diff --git a/llvm/lib/DebugInfo/PDB/PDBContext.cpp b/llvm/lib/DebugInfo/PDB/PDBContext.cpp
--- a/llvm/lib/DebugInfo/PDB/PDBContext.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBContext.cpp
@@ -15,6 +15,7 @@
 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolPublicSymbol.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
+#include "llvm/DebugInfo/PDB/PDBTypes.h"
 #include "llvm/Object/COFF.h"
 
 using namespace llvm;
diff --git a/llvm/lib/DebugInfo/PDB/PDBSymbolExe.cpp b/llvm/lib/DebugInfo/PDB/PDBSymbolExe.cpp
--- a/llvm/lib/DebugInfo/PDB/PDBSymbolExe.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBSymbolExe.cpp
@@ -11,6 +11,7 @@
 #include "llvm/DebugInfo/PDB/ConcreteSymbolEnumerator.h"
 #include "llvm/DebugInfo/PDB/PDBSymDumper.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypePointer.h"
+#include "llvm/DebugInfo/PDB/PDBTypes.h"
 
 using namespace llvm;
 using namespace llvm::pdb;
diff --git a/llvm/lib/DebugInfo/PDB/PDBSymbolFunc.cpp b/llvm/lib/DebugInfo/PDB/PDBSymbolFunc.cpp
--- a/llvm/lib/DebugInfo/PDB/PDBSymbolFunc.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBSymbolFunc.cpp
@@ -12,6 +12,7 @@
 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
 #include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
 #include "llvm/DebugInfo/PDB/IPDBSession.h"
+#include "llvm/DebugInfo/PDB/Native/NativeTypeFunctionSig.h"
 #include "llvm/DebugInfo/PDB/PDBSymDumper.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolData.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
diff --git a/llvm/lib/DebugInfo/PDB/PDBSymbolTypeEnum.cpp b/llvm/lib/DebugInfo/PDB/PDBSymbolTypeEnum.cpp
--- a/llvm/lib/DebugInfo/PDB/PDBSymbolTypeEnum.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBSymbolTypeEnum.cpp
@@ -7,10 +7,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
-#include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
-#include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
 
+#include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
 #include "llvm/DebugInfo/PDB/PDBSymDumper.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
 
 using namespace llvm;
 using namespace llvm::pdb;
diff --git a/llvm/lib/DebugInfo/PDB/PDBSymbolTypeUDT.cpp b/llvm/lib/DebugInfo/PDB/PDBSymbolTypeUDT.cpp
--- a/llvm/lib/DebugInfo/PDB/PDBSymbolTypeUDT.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBSymbolTypeUDT.cpp
@@ -10,7 +10,6 @@
 
 #include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
 #include "llvm/DebugInfo/PDB/PDBSymDumper.h"
-#include "llvm/DebugInfo/PDB/PDBSymbolTypeVTableShape.h"
 
 using namespace llvm;
 using namespace llvm::pdb;
diff --git a/llvm/lib/DebugInfo/PDB/PDBSymbolTypeVTableShape.cpp b/llvm/lib/DebugInfo/PDB/PDBSymbolTypeVTableShape.cpp
--- a/llvm/lib/DebugInfo/PDB/PDBSymbolTypeVTableShape.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBSymbolTypeVTableShape.cpp
@@ -8,7 +8,6 @@
 
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeVTableShape.h"
 
-#include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
 #include "llvm/DebugInfo/PDB/PDBSymDumper.h"
 
 using namespace llvm;
diff --git a/llvm/lib/DebugInfo/PDB/UDTLayout.cpp b/llvm/lib/DebugInfo/PDB/UDTLayout.cpp
--- a/llvm/lib/DebugInfo/PDB/UDTLayout.cpp
+++ b/llvm/lib/DebugInfo/PDB/UDTLayout.cpp
@@ -10,6 +10,7 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
 #include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
 #include "llvm/DebugInfo/PDB/IPDBSession.h"
diff --git a/llvm/lib/DebugInfo/Symbolize/Symbolize.cpp b/llvm/lib/DebugInfo/Symbolize/Symbolize.cpp
--- a/llvm/lib/DebugInfo/Symbolize/Symbolize.cpp
+++ b/llvm/lib/DebugInfo/Symbolize/Symbolize.cpp
@@ -20,13 +20,11 @@
 #include "llvm/DebugInfo/Symbolize/SymbolizableObjectFile.h"
 #include "llvm/Demangle/Demangle.h"
 #include "llvm/Object/COFF.h"
-#include "llvm/Object/ELF.h"
 #include "llvm/Object/ELFObjectFile.h"
 #include "llvm/Object/MachO.h"
 #include "llvm/Object/MachOUniversal.h"
 #include "llvm/Support/CRC.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/Compression.h"
 #include "llvm/Support/DataExtractor.h"
 #include "llvm/Support/Errc.h"
 #include "llvm/Support/FileSystem.h"
@@ -37,6 +35,12 @@
 #include <cstring>
 
 namespace llvm {
+namespace codeview {
+union DebugInfo;
+}
+namespace object {
+template <class ELFT> class ELFFile;
+}
 namespace symbolize {
 
 LLVMSymbolizer::LLVMSymbolizer() = default;
diff --git a/llvm/lib/Frontend/OpenMP/OMPContext.cpp b/llvm/lib/Frontend/OpenMP/OMPContext.cpp
--- a/llvm/lib/Frontend/OpenMP/OMPContext.cpp
+++ b/llvm/lib/Frontend/OpenMP/OMPContext.cpp
@@ -13,7 +13,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Frontend/OpenMP/OMPContext.h"
-#include "llvm/ADT/SetOperations.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Triple.h"
diff --git a/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp b/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
--- a/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
+++ b/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
@@ -15,7 +15,6 @@
 #include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/AssumptionCache.h"
 #include "llvm/Analysis/CodeMetrics.h"
 #include "llvm/Analysis/LoopInfo.h"
@@ -24,7 +23,7 @@
 #include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/IR/CFG.h"
 #include "llvm/IR/Constants.h"
-#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/MDBuilder.h"
@@ -32,17 +31,14 @@
 #include "llvm/IR/Value.h"
 #include "llvm/MC/TargetRegistry.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Error.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/CodeExtractor.h"
 #include "llvm/Transforms/Utils/LoopPeel.h"
-#include "llvm/Transforms/Utils/ModuleUtils.h"
 #include "llvm/Transforms/Utils/UnrollLoop.h"
 
 #include <cstdint>
-#include <sstream>
 
 #define DEBUG_TYPE "openmp-ir-builder"
 
diff --git a/llvm/lib/FuzzMutate/FuzzerCLI.cpp b/llvm/lib/FuzzMutate/FuzzerCLI.cpp
--- a/llvm/lib/FuzzMutate/FuzzerCLI.cpp
+++ b/llvm/lib/FuzzMutate/FuzzerCLI.cpp
@@ -11,14 +11,13 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/Bitcode/BitcodeReader.h"
 #include "llvm/Bitcode/BitcodeWriter.h"
-#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Verifier.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/IR/Verifier.h"
 
 using namespace llvm;
 
diff --git a/llvm/lib/FuzzMutate/IRMutator.cpp b/llvm/lib/FuzzMutate/IRMutator.cpp
--- a/llvm/lib/FuzzMutate/IRMutator.cpp
+++ b/llvm/lib/FuzzMutate/IRMutator.cpp
@@ -17,7 +17,6 @@
 #include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Module.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Transforms/Scalar/DCE.h"
 
 using namespace llvm;
diff --git a/llvm/lib/FuzzMutate/RandomIRBuilder.cpp b/llvm/lib/FuzzMutate/RandomIRBuilder.cpp
--- a/llvm/lib/FuzzMutate/RandomIRBuilder.cpp
+++ b/llvm/lib/FuzzMutate/RandomIRBuilder.cpp
@@ -8,10 +8,10 @@
 
 #include "llvm/FuzzMutate/RandomIRBuilder.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/FuzzMutate/OpDescriptor.h"
 #include "llvm/FuzzMutate/Random.h"
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Constants.h"
-#include "llvm/IR/Function.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 
diff --git a/llvm/lib/IR/AbstractCallSite.cpp b/llvm/lib/IR/AbstractCallSite.cpp
--- a/llvm/lib/IR/AbstractCallSite.cpp
+++ b/llvm/lib/IR/AbstractCallSite.cpp
@@ -16,7 +16,6 @@
 
 #include "llvm/IR/AbstractCallSite.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/Support/Debug.h"
 
 using namespace llvm;
 
diff --git a/llvm/lib/IR/Attributes.cpp b/llvm/lib/IR/Attributes.cpp
--- a/llvm/lib/IR/Attributes.cpp
+++ b/llvm/lib/IR/Attributes.cpp
@@ -28,7 +28,6 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Type.h"
 #include "llvm/Support/Compiler.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include <algorithm>
diff --git a/llvm/lib/IR/Constants.cpp b/llvm/lib/IR/Constants.cpp
--- a/llvm/lib/IR/Constants.cpp
+++ b/llvm/lib/IR/Constants.cpp
@@ -27,7 +27,6 @@
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Operator.h"
 #include "llvm/IR/PatternMatch.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/llvm/lib/IR/DIBuilder.cpp b/llvm/lib/IR/DIBuilder.cpp
--- a/llvm/lib/IR/DIBuilder.cpp
+++ b/llvm/lib/IR/DIBuilder.cpp
@@ -19,7 +19,6 @@
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
 
 using namespace llvm;
 using namespace llvm::dwarf;
diff --git a/llvm/lib/IR/Dominators.cpp b/llvm/lib/IR/Dominators.cpp
--- a/llvm/lib/IR/Dominators.cpp
+++ b/llvm/lib/IR/Dominators.cpp
@@ -25,7 +25,6 @@
 #include "llvm/PassRegistry.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 
 #include <cassert>
diff --git a/llvm/lib/IR/Value.cpp b/llvm/lib/IR/Value.cpp
--- a/llvm/lib/IR/Value.cpp
+++ b/llvm/lib/IR/Value.cpp
@@ -28,7 +28,6 @@
 #include "llvm/IR/ValueHandle.h"
 #include "llvm/IR/ValueSymbolTable.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include <algorithm>
diff --git a/llvm/lib/IR/Verifier.cpp b/llvm/lib/IR/Verifier.cpp
--- a/llvm/lib/IR/Verifier.cpp
+++ b/llvm/lib/IR/Verifier.cpp
@@ -100,7 +100,6 @@
 #include "llvm/Support/AtomicOrdering.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/llvm/lib/InterfaceStub/ELFObjHandler.cpp b/llvm/lib/InterfaceStub/ELFObjHandler.cpp
--- a/llvm/lib/InterfaceStub/ELFObjHandler.cpp
+++ b/llvm/lib/InterfaceStub/ELFObjHandler.cpp
@@ -17,7 +17,6 @@
 #include "llvm/Support/FileOutputBuffer.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Process.h"
 
 using llvm::object::ELFObjectFile;
 
diff --git a/llvm/lib/InterfaceStub/IFSStub.cpp b/llvm/lib/InterfaceStub/IFSStub.cpp
--- a/llvm/lib/InterfaceStub/IFSStub.cpp
+++ b/llvm/lib/InterfaceStub/IFSStub.cpp
@@ -8,7 +8,7 @@
 
 #include "llvm/InterfaceStub/IFSStub.h"
 #include "llvm/BinaryFormat/ELF.h"
-#include "llvm/Support/Error.h"
+#include "llvm/Support/ErrorHandling.h"
 
 using namespace llvm;
 using namespace llvm::ifs;
diff --git a/llvm/lib/MC/MCParser/GOFFAsmParser.cpp b/llvm/lib/MC/MCParser/GOFFAsmParser.cpp
--- a/llvm/lib/MC/MCParser/GOFFAsmParser.cpp
+++ b/llvm/lib/MC/MCParser/GOFFAsmParser.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
 
 using namespace llvm;
diff --git a/llvm/lib/MC/MCParser/MCAsmLexer.cpp b/llvm/lib/MC/MCParser/MCAsmLexer.cpp
--- a/llvm/lib/MC/MCParser/MCAsmLexer.cpp
+++ b/llvm/lib/MC/MCParser/MCAsmLexer.cpp
@@ -9,7 +9,6 @@
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/SMLoc.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
diff --git a/llvm/lib/MC/MCSectionXCOFF.cpp b/llvm/lib/MC/MCSectionXCOFF.cpp
--- a/llvm/lib/MC/MCSectionXCOFF.cpp
+++ b/llvm/lib/MC/MCSectionXCOFF.cpp
@@ -8,7 +8,6 @@
 
 #include "llvm/MC/MCSectionXCOFF.h"
 #include "llvm/MC/MCAsmInfo.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
 namespace llvm {
diff --git a/llvm/lib/MC/MCWasmStreamer.cpp b/llvm/lib/MC/MCWasmStreamer.cpp
--- a/llvm/lib/MC/MCWasmStreamer.cpp
+++ b/llvm/lib/MC/MCWasmStreamer.cpp
@@ -26,7 +26,6 @@
 #include "llvm/MC/MCSymbolWasm.h"
 #include "llvm/MC/TargetRegistry.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 
diff --git a/llvm/lib/Object/IRObjectFile.cpp b/llvm/lib/Object/IRObjectFile.cpp
--- a/llvm/lib/Object/IRObjectFile.cpp
+++ b/llvm/lib/Object/IRObjectFile.cpp
@@ -12,7 +12,6 @@
 
 #include "llvm/Object/IRObjectFile.h"
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/DenseMapInfo.h"
 #include "llvm/ADT/PointerUnion.h"
 #include "llvm/BinaryFormat/Magic.h"
 #include "llvm/Bitcode/BitcodeReader.h"
diff --git a/llvm/lib/Object/MachOUniversalWriter.cpp b/llvm/lib/Object/MachOUniversalWriter.cpp
--- a/llvm/lib/Object/MachOUniversalWriter.cpp
+++ b/llvm/lib/Object/MachOUniversalWriter.cpp
@@ -17,7 +17,6 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/Object/Archive.h"
 #include "llvm/Object/Binary.h"
-#include "llvm/Object/Error.h"
 #include "llvm/Object/IRObjectFile.h"
 #include "llvm/Object/MachO.h"
 #include "llvm/Object/MachOUniversal.h"
diff --git a/llvm/lib/Object/ObjectFile.cpp b/llvm/lib/Object/ObjectFile.cpp
--- a/llvm/lib/Object/ObjectFile.cpp
+++ b/llvm/lib/Object/ObjectFile.cpp
@@ -11,7 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Object/ObjectFile.h"
-#include "llvm/ADT/DenseMapInfo.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/BinaryFormat/Magic.h"
 #include "llvm/Object/Binary.h"
diff --git a/llvm/lib/Object/SymbolicFile.cpp b/llvm/lib/Object/SymbolicFile.cpp
--- a/llvm/lib/Object/SymbolicFile.cpp
+++ b/llvm/lib/Object/SymbolicFile.cpp
@@ -11,7 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Object/SymbolicFile.h"
-#include "llvm/ADT/DenseMapInfo.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/BinaryFormat/Magic.h"
 #include "llvm/Object/COFFImportFile.h"
diff --git a/llvm/lib/Remarks/BitstreamRemarkSerializer.cpp b/llvm/lib/Remarks/BitstreamRemarkSerializer.cpp
--- a/llvm/lib/Remarks/BitstreamRemarkSerializer.cpp
+++ b/llvm/lib/Remarks/BitstreamRemarkSerializer.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Remarks/BitstreamRemarkSerializer.h"
+#include "llvm/Remarks/Remark.h"
 
 using namespace llvm;
 using namespace llvm::remarks;
diff --git a/llvm/lib/Remarks/YAMLRemarkSerializer.cpp b/llvm/lib/Remarks/YAMLRemarkSerializer.cpp
--- a/llvm/lib/Remarks/YAMLRemarkSerializer.cpp
+++ b/llvm/lib/Remarks/YAMLRemarkSerializer.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Remarks/YAMLRemarkSerializer.h"
+#include "llvm/Remarks/Remark.h"
 #include "llvm/Support/FileSystem.h"
 
 using namespace llvm;
diff --git a/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp b/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp
--- a/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp
+++ b/llvm/lib/Target/AArch64/AArch64TargetMachine.cpp
@@ -22,6 +22,7 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/CSEConfigBase.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/IRTranslator.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
 #include "llvm/CodeGen/GlobalISel/Legalizer.h"
diff --git a/llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerCombiner.cpp b/llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerCombiner.cpp
--- a/llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerCombiner.cpp
+++ b/llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerCombiner.cpp
@@ -20,11 +20,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "AArch64TargetMachine.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/Combiner.h"
 #include "llvm/CodeGen/GlobalISel/CombinerHelper.h"
 #include "llvm/CodeGen/GlobalISel/CombinerInfo.h"
 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
 #include "llvm/CodeGen/GlobalISel/GISelKnownBits.h"
+#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
 #include "llvm/CodeGen/GlobalISel/MIPatternMatch.h"
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/GlobalISel/Utils.h"
diff --git a/llvm/lib/Target/AArch64/GISel/AArch64PreLegalizerCombiner.cpp b/llvm/lib/Target/AArch64/GISel/AArch64PreLegalizerCombiner.cpp
--- a/llvm/lib/Target/AArch64/GISel/AArch64PreLegalizerCombiner.cpp
+++ b/llvm/lib/Target/AArch64/GISel/AArch64PreLegalizerCombiner.cpp
@@ -13,6 +13,7 @@
 
 #include "AArch64GlobalISelUtils.h"
 #include "AArch64TargetMachine.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/Combiner.h"
 #include "llvm/CodeGen/GlobalISel/CombinerHelper.h"
 #include "llvm/CodeGen/GlobalISel/CombinerInfo.h"
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUPreLegalizerCombiner.cpp b/llvm/lib/Target/AMDGPU/AMDGPUPreLegalizerCombiner.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUPreLegalizerCombiner.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUPreLegalizerCombiner.cpp
@@ -16,6 +16,7 @@
 #include "AMDGPULegalizerInfo.h"
 #include "GCNSubtarget.h"
 #include "MCTargetDesc/AMDGPUMCTargetDesc.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/Combiner.h"
 #include "llvm/CodeGen/GlobalISel/CombinerHelper.h"
 #include "llvm/CodeGen/GlobalISel/CombinerInfo.h"
diff --git a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -76,6 +76,7 @@
 #include "GCNSubtarget.h"
 #include "SIMachineFunctionInfo.h"
 #include "SIRegisterInfo.h"
+#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
 #include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
 #include "llvm/CodeGen/GlobalISel/MIPatternMatch.h"
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
@@ -27,6 +27,7 @@
 #include "SIMachineScheduler.h"
 #include "TargetInfo/AMDGPUTargetInfo.h"
 #include "llvm/Analysis/CGSCCPassManager.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/IRTranslator.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
 #include "llvm/CodeGen/GlobalISel/Legalizer.h"
diff --git a/llvm/lib/Target/ARM/ARMLegalizerInfo.cpp b/llvm/lib/Target/ARM/ARMLegalizerInfo.cpp
--- a/llvm/lib/Target/ARM/ARMLegalizerInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMLegalizerInfo.cpp
@@ -14,6 +14,7 @@
 #include "ARMCallLowering.h"
 #include "ARMSubtarget.h"
 #include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
+#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/LowLevelType.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/TargetOpcodes.h"
diff --git a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
--- a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -24,6 +24,7 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
diff --git a/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp b/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
--- a/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
+++ b/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
@@ -59,6 +59,7 @@
 #include "MVETailPredUtils.h"
 #include "Thumb2InstrInfo.h"
 #include "llvm/ADT/SetOperations.h"
+#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/CodeGen/LivePhysRegs.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
diff --git a/llvm/lib/Target/ARM/ARMTargetMachine.cpp b/llvm/lib/Target/ARM/ARMTargetMachine.cpp
--- a/llvm/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetMachine.cpp
@@ -23,6 +23,7 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/ExecutionDomainFix.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
 #include "llvm/CodeGen/GlobalISel/IRTranslator.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
diff --git a/llvm/lib/Target/ARM/MVELaneInterleavingPass.cpp b/llvm/lib/Target/ARM/MVELaneInterleavingPass.cpp
--- a/llvm/lib/Target/ARM/MVELaneInterleavingPass.cpp
+++ b/llvm/lib/Target/ARM/MVELaneInterleavingPass.cpp
@@ -45,6 +45,7 @@
 #include "ARM.h"
 #include "ARMBaseInstrInfo.h"
 #include "ARMSubtarget.h"
+#include "llvm/ADT/SetVector.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
diff --git a/llvm/lib/Target/BPF/BTFDebug.cpp b/llvm/lib/Target/BPF/BTFDebug.cpp
--- a/llvm/lib/Target/BPF/BTFDebug.cpp
+++ b/llvm/lib/Target/BPF/BTFDebug.cpp
@@ -22,6 +22,7 @@
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/Support/LineIterator.h"
+#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 
 using namespace llvm;
diff --git a/llvm/lib/Target/Hexagon/HexagonConstExtenders.cpp b/llvm/lib/Target/Hexagon/HexagonConstExtenders.cpp
--- a/llvm/lib/Target/Hexagon/HexagonConstExtenders.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonConstExtenders.cpp
@@ -9,6 +9,7 @@
 #include "HexagonInstrInfo.h"
 #include "HexagonRegisterInfo.h"
 #include "HexagonSubtarget.h"
+#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp
@@ -9,8 +9,10 @@
 #include "MipsABIInfo.h"
 #include "MipsRegisterInfo.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/MC/MCTargetOptions.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/LowLevelTypeImpl.h"
 
 using namespace llvm;
 
diff --git a/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp b/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
--- a/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
+++ b/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
@@ -13,6 +13,7 @@
 #include "MipsLegalizerInfo.h"
 #include "MipsTargetMachine.h"
 #include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
+#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/IR/IntrinsicsMips.h"
 
 using namespace llvm;
diff --git a/llvm/lib/Target/Mips/MipsPreLegalizerCombiner.cpp b/llvm/lib/Target/Mips/MipsPreLegalizerCombiner.cpp
--- a/llvm/lib/Target/Mips/MipsPreLegalizerCombiner.cpp
+++ b/llvm/lib/Target/Mips/MipsPreLegalizerCombiner.cpp
@@ -16,6 +16,7 @@
 #include "llvm/CodeGen/GlobalISel/CombinerHelper.h"
 #include "llvm/CodeGen/GlobalISel/CombinerInfo.h"
 #include "llvm/CodeGen/GlobalISel/MIPatternMatch.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/InitializePasses.h"
 
diff --git a/llvm/lib/Target/Mips/MipsTargetMachine.cpp b/llvm/lib/Target/Mips/MipsTargetMachine.cpp
--- a/llvm/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/llvm/lib/Target/Mips/MipsTargetMachine.cpp
@@ -24,6 +24,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/BasicTTIImpl.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/IRTranslator.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
 #include "llvm/CodeGen/GlobalISel/Legalizer.h"
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -18,6 +18,7 @@
 #include "PPCRegisterInfo.h"
 #include "PPCTargetMachine.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineScheduler.h"
 #include "llvm/IR/Attributes.h"
diff --git a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
--- a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -26,6 +26,7 @@
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/GlobalISel/IRTranslator.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
 #include "llvm/CodeGen/GlobalISel/Legalizer.h"
 #include "llvm/CodeGen/GlobalISel/Localizer.h"
 #include "llvm/CodeGen/GlobalISel/RegBankSelect.h"
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -21,6 +21,7 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
 #include "llvm/CodeGen/ScheduleDAGMutation.h"
 #include "llvm/IR/Attributes.h"
 #include "llvm/IR/ConstantRange.h"
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -27,9 +27,11 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/ExecutionDomainFix.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
 #include "llvm/CodeGen/GlobalISel/IRTranslator.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
+#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
 #include "llvm/CodeGen/GlobalISel/Legalizer.h"
 #include "llvm/CodeGen/GlobalISel/RegBankSelect.h"
 #include "llvm/CodeGen/MachineScheduler.h"
diff --git a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
--- a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -42,14 +42,12 @@
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/Dominators.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/GlobalAlias.h"
 #include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/InlineAsm.h"
-#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/InstVisitor.h"
 #include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Instruction.h"
@@ -71,7 +69,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MathExtras.h"
-#include "llvm/Support/ScopedPrinter.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/Instrumentation/AddressSanitizerCommon.h"
@@ -87,7 +84,6 @@
 #include <cstdint>
 #include <iomanip>
 #include <limits>
-#include <memory>
 #include <sstream>
 #include <string>
 #include <tuple>
diff --git a/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp b/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp
--- a/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp
+++ b/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp
@@ -19,7 +19,6 @@
 #include "llvm/IR/Function.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/InstIterator.h"
-#include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Intrinsics.h"
@@ -29,7 +28,6 @@
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include <cstdint>
 #include <utility>
diff --git a/llvm/lib/Transforms/Instrumentation/CGProfile.cpp b/llvm/lib/Transforms/Instrumentation/CGProfile.cpp
--- a/llvm/lib/Transforms/Instrumentation/CGProfile.cpp
+++ b/llvm/lib/Transforms/Instrumentation/CGProfile.cpp
@@ -13,15 +13,12 @@
 #include "llvm/Analysis/LazyBlockFrequencyInfo.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/IR/Constants.h"
-#include "llvm/IR/Instructions.h"
 #include "llvm/IR/MDBuilder.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/ProfileData/InstrProf.h"
 #include "llvm/Transforms/Instrumentation.h"
 
-#include <array>
-
 using namespace llvm;
 
 static bool
diff --git a/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
--- a/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
@@ -84,13 +84,11 @@
 #include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/InlineAsm.h"
 #include "llvm/IR/InstVisitor.h"
 #include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
-#include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/MDBuilder.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/PassManager.h"
diff --git a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
--- a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -14,19 +14,15 @@
 //===----------------------------------------------------------------------===//
 
 #include "CFGMST.h"
-#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/Hashing.h"
 #include "llvm/ADT/MapVector.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/Sequence.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/Analysis/BlockFrequencyInfo.h"
 #include "llvm/Analysis/BranchProbabilityInfo.h"
 #include "llvm/Analysis/EHPersonalities.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
-#include "llvm/IR/CFG.h"
 #include "llvm/IR/DebugInfo.h"
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/IR/IRBuilder.h"
diff --git a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
--- a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
@@ -17,7 +17,6 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Triple.h"
-#include "llvm/Analysis/CFG.h"
 #include "llvm/Analysis/PostDominators.h"
 #include "llvm/Analysis/StackSafetyAnalysis.h"
 #include "llvm/Analysis/ValueTracking.h"
@@ -35,7 +34,6 @@
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/InlineAsm.h"
 #include "llvm/IR/InstIterator.h"
-#include "llvm/IR/InstVisitor.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
@@ -52,13 +50,11 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/Instrumentation/AddressSanitizerCommon.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/MemoryTaggingSupport.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
 #include "llvm/Transforms/Utils/PromoteMemToReg.h"
-#include <sstream>
 
 using namespace llvm;
 
diff --git a/llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp b/llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp
--- a/llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp
+++ b/llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp
@@ -13,27 +13,19 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Analysis/IndirectCallPromotionAnalysis.h"
 #include "llvm/Analysis/IndirectCallVisitor.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/ProfileSummaryInfo.h"
-#include "llvm/IR/Attributes.h"
-#include "llvm/IR/BasicBlock.h"
-#include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/DiagnosticInfo.h"
 #include "llvm/IR/Function.h"
-#include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/InstrTypes.h"
-#include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/MDBuilder.h"
 #include "llvm/IR/PassManager.h"
-#include "llvm/IR/Type.h"
 #include "llvm/IR/Value.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
@@ -45,7 +37,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
-#include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/CallPromotionUtils.h"
 #include <cassert>
 #include <cstdint>
diff --git a/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp b/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp
--- a/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp
+++ b/llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp
@@ -9,29 +9,22 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Transforms/Instrumentation/InstrOrderFile.h"
-#include "llvm/ADT/Statistic.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
-#include "llvm/IR/Metadata.h"
 #include "llvm/IR/Module.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
 #include "llvm/PassRegistry.h"
 #include "llvm/ProfileData/InstrProf.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Transforms/Instrumentation.h"
 #include <fstream>
-#include <map>
 #include <mutex>
-#include <set>
 #include <sstream>
 
 using namespace llvm;
diff --git a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
--- a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
@@ -47,7 +47,6 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
 #include "llvm/Transforms/Utils/SSAUpdater.h"
 #include <algorithm>
diff --git a/llvm/lib/Transforms/Instrumentation/MemProfiler.cpp b/llvm/lib/Transforms/Instrumentation/MemProfiler.cpp
--- a/llvm/lib/Transforms/Instrumentation/MemProfiler.cpp
+++ b/llvm/lib/Transforms/Instrumentation/MemProfiler.cpp
@@ -27,7 +27,6 @@
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/IntrinsicInst.h"
-#include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Type.h"
 #include "llvm/IR/Value.h"
@@ -35,7 +34,6 @@
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
 
diff --git a/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp b/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
--- a/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
@@ -174,7 +174,6 @@
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/IntrinsicsX86.h"
-#include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/MDBuilder.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Type.h"
@@ -186,12 +185,10 @@
 #include "llvm/Support/AtomicOrdering.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/Local.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
diff --git a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
--- a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
+++ b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
@@ -52,7 +52,6 @@
 #include "ValueProfileCollector.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/MapVector.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
diff --git a/llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp b/llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp
--- a/llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp
+++ b/llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp
@@ -29,7 +29,6 @@
 #include "llvm/IR/Function.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/InstVisitor.h"
-#include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
@@ -46,7 +45,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MathExtras.h"
-#include "llvm/Support/WithColor.h"
 #include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
diff --git a/llvm/lib/Transforms/Instrumentation/PoisonChecking.cpp b/llvm/lib/Transforms/Instrumentation/PoisonChecking.cpp
--- a/llvm/lib/Transforms/Instrumentation/PoisonChecking.cpp
+++ b/llvm/lib/Transforms/Instrumentation/PoisonChecking.cpp
@@ -60,15 +60,9 @@
 
 #include "llvm/Transforms/Instrumentation/PoisonChecking.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/Analysis/MemoryBuiltins.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/InstVisitor.h"
-#include "llvm/IR/IntrinsicInst.h"
-#include "llvm/IR/PatternMatch.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
 
 using namespace llvm;
 
diff --git a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
--- a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
+++ b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
@@ -16,28 +16,21 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/EHPersonalities.h"
 #include "llvm/Analysis/PostDominators.h"
-#include "llvm/IR/CFG.h"
 #include "llvm/IR/Constant.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/IR/DebugInfo.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/InlineAsm.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/MDBuilder.h"
-#include "llvm/IR/Mangler.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Type.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/SpecialCaseList.h"
 #include "llvm/Support/VirtualFileSystem.h"
-#include "llvm/Support/raw_ostream.h"
 #include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
diff --git a/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
--- a/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
@@ -44,7 +44,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/EscapeEnumerator.h"
 #include "llvm/Transforms/Utils/Local.h"
diff --git a/llvm/lib/Transforms/Instrumentation/ValueProfileCollector.cpp b/llvm/lib/Transforms/Instrumentation/ValueProfileCollector.cpp
--- a/llvm/lib/Transforms/Instrumentation/ValueProfileCollector.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ValueProfileCollector.cpp
@@ -10,12 +10,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "ValueProfileCollector.h"
 #include "ValueProfilePlugins.inc"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/InstIterator.h"
-#include "llvm/IR/IntrinsicInst.h"
-#include "llvm/InitializePasses.h"
-#include <cassert>
+#include "llvm/ProfileData/InstrProf.h"
 
 using namespace llvm;
 
diff --git a/llvm/lib/Transforms/Scalar/Float2Int.cpp b/llvm/lib/Transforms/Scalar/Float2Int.cpp
--- a/llvm/lib/Transforms/Scalar/Float2Int.cpp
+++ b/llvm/lib/Transforms/Scalar/Float2Int.cpp
@@ -17,6 +17,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Analysis/GlobalsModRef.h"
 #include "llvm/IR/Constants.h"
+#include "llvm/IR/Dominators.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/Module.h"
 #include "llvm/InitializePasses.h"
diff --git a/llvm/lib/Transforms/Scalar/LoopBoundSplit.cpp b/llvm/lib/Transforms/Scalar/LoopBoundSplit.cpp
--- a/llvm/lib/Transforms/Scalar/LoopBoundSplit.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopBoundSplit.cpp
@@ -10,7 +10,6 @@
 #include "llvm/ADT/Sequence.h"
 #include "llvm/Analysis/LoopAnalysisManager.h"
 #include "llvm/Analysis/LoopInfo.h"
-#include "llvm/Analysis/MemorySSAUpdater.h"
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
 #include "llvm/IR/PatternMatch.h"
diff --git a/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp b/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
--- a/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
@@ -67,10 +67,8 @@
 #include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
-#include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Type.h"
-#include "llvm/IR/User.h"
 #include "llvm/IR/Value.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
--- a/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
@@ -17,7 +17,9 @@
 #include "llvm/Transforms/Vectorize/LoopVectorizationLegality.h"
 #include "llvm/Analysis/Loads.h"
 #include "llvm/Analysis/LoopInfo.h"
+#include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
+#include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/Analysis/VectorUtils.h"
 #include "llvm/IR/IntrinsicInst.h"
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -112,7 +112,6 @@
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Intrinsics.h"
-#include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Metadata.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Operator.h"
@@ -144,7 +143,6 @@
 #include <algorithm>
 #include <cassert>
 #include <cstdint>
-#include <cstdlib>
 #include <functional>
 #include <iterator>
 #include <limits>
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -64,7 +64,6 @@
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/Module.h"
-#include "llvm/IR/NoFolder.h"
 #include "llvm/IR/Operator.h"
 #include "llvm/IR/PatternMatch.h"
 #include "llvm/IR/Type.h"
@@ -73,7 +72,6 @@
 #include "llvm/IR/Value.h"
 #include "llvm/IR/ValueHandle.h"
 #include "llvm/IR/Verifier.h"
-#include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
diff --git a/llvm/lib/Transforms/Vectorize/Vectorize.cpp b/llvm/lib/Transforms/Vectorize/Vectorize.cpp
--- a/llvm/lib/Transforms/Vectorize/Vectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/Vectorize.cpp
@@ -15,7 +15,6 @@
 #include "llvm/Transforms/Vectorize.h"
 #include "llvm-c/Initialization.h"
 #include "llvm-c/Transforms/Vectorize.h"
-#include "llvm/Analysis/Passes.h"
 #include "llvm/IR/LegacyPassManager.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/PassRegistry.h"
diff --git a/llvm/tools/llvm-ifs/llvm-ifs.cpp b/llvm/tools/llvm-ifs/llvm-ifs.cpp
--- a/llvm/tools/llvm-ifs/llvm-ifs.cpp
+++ b/llvm/tools/llvm-ifs/llvm-ifs.cpp
@@ -10,6 +10,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/BinaryFormat/ELF.h"
 #include "llvm/InterfaceStub/ELFObjHandler.h"
 #include "llvm/InterfaceStub/IFSHandler.h"
 #include "llvm/InterfaceStub/IFSStub.h"
diff --git a/llvm/tools/llvm-modextract/llvm-modextract.cpp b/llvm/tools/llvm-modextract/llvm-modextract.cpp
--- a/llvm/tools/llvm-modextract/llvm-modextract.cpp
+++ b/llvm/tools/llvm-modextract/llvm-modextract.cpp
@@ -17,6 +17,7 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/ToolOutputFile.h"
 #include "llvm/Support/WithColor.h"
 
diff --git a/llvm/tools/llvm-pdbutil/InputFile.cpp b/llvm/tools/llvm-pdbutil/InputFile.cpp
--- a/llvm/tools/llvm-pdbutil/InputFile.cpp
+++ b/llvm/tools/llvm-pdbutil/InputFile.cpp
@@ -15,6 +15,7 @@
 #include "llvm/DebugInfo/CodeView/CodeView.h"
 #include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
 #include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/Native/DbiStream.h"
 #include "llvm/DebugInfo/PDB/Native/NativeSession.h"
 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
diff --git a/llvm/tools/llvm-pdbutil/llvm-pdbutil.cpp b/llvm/tools/llvm-pdbutil/llvm-pdbutil.cpp
--- a/llvm/tools/llvm-pdbutil/llvm-pdbutil.cpp
+++ b/llvm/tools/llvm-pdbutil/llvm-pdbutil.cpp
@@ -44,6 +44,7 @@
 #include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
 #include "llvm/DebugInfo/CodeView/TypeStreamMerger.h"
 #include "llvm/DebugInfo/MSF/MSFBuilder.h"
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/DebugInfo/PDB/ConcreteSymbolEnumerator.h"
 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
 #include "llvm/DebugInfo/PDB/IPDBInjectedSource.h"
diff --git a/llvm/unittests/CodeGen/GlobalISel/CSETest.cpp b/llvm/unittests/CodeGen/GlobalISel/CSETest.cpp
--- a/llvm/unittests/CodeGen/GlobalISel/CSETest.cpp
+++ b/llvm/unittests/CodeGen/GlobalISel/CSETest.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "GISelMITest.h"
+#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
 #include "llvm/CodeGen/GlobalISel/CSEMIRBuilder.h"
 #include "gtest/gtest.h"
 
diff --git a/llvm/unittests/CodeGen/MachineOperandTest.cpp b/llvm/unittests/CodeGen/MachineOperandTest.cpp
--- a/llvm/unittests/CodeGen/MachineOperandTest.cpp
+++ b/llvm/unittests/CodeGen/MachineOperandTest.cpp
@@ -13,8 +13,9 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/ModuleSlotTracker.h"
-#include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/Support/LowLevelTypeImpl.h"
 #include "llvm/Support/raw_ostream.h"
 #include "gtest/gtest.h"
 
diff --git a/llvm/unittests/Frontend/OpenMPContextTest.cpp b/llvm/unittests/Frontend/OpenMPContextTest.cpp
--- a/llvm/unittests/Frontend/OpenMPContextTest.cpp
+++ b/llvm/unittests/Frontend/OpenMPContextTest.cpp
@@ -6,6 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/ADT/Triple.h"
 #include "llvm/Frontend/OpenMP/OMPConstants.h"
 #include "llvm/Frontend/OpenMP/OMPContext.h"
 #include "gtest/gtest.h"
diff --git a/llvm/unittests/ProfileData/MemProfTest.cpp b/llvm/unittests/ProfileData/MemProfTest.cpp
--- a/llvm/unittests/ProfileData/MemProfTest.cpp
+++ b/llvm/unittests/ProfileData/MemProfTest.cpp
@@ -3,6 +3,7 @@
 #include "llvm/ADT/MapVector.h"
 #include "llvm/DebugInfo/DIContext.h"
 #include "llvm/DebugInfo/Symbolize/SymbolizableModule.h"
+#include "llvm/IR/Function.h"
 #include "llvm/Object/ObjectFile.h"
 #include "llvm/ProfileData/InstrProf.h"
 #include "llvm/ProfileData/MemProfData.inc"
diff --git a/llvm/unittests/Remarks/BitstreamRemarksSerializerTest.cpp b/llvm/unittests/Remarks/BitstreamRemarksSerializerTest.cpp
--- a/llvm/unittests/Remarks/BitstreamRemarksSerializerTest.cpp
+++ b/llvm/unittests/Remarks/BitstreamRemarksSerializerTest.cpp
@@ -8,6 +8,7 @@
 
 #include "llvm/Bitcode/BitcodeAnalyzer.h"
 #include "llvm/Remarks/BitstreamRemarkSerializer.h"
+#include "llvm/Remarks/Remark.h"
 #include "llvm/Support/raw_ostream.h"
 #include "gtest/gtest.h"
 #include <string>
diff --git a/llvm/unittests/Target/AArch64/InstSizes.cpp b/llvm/unittests/Target/AArch64/InstSizes.cpp
--- a/llvm/unittests/Target/AArch64/InstSizes.cpp
+++ b/llvm/unittests/Target/AArch64/InstSizes.cpp
@@ -3,6 +3,7 @@
 #include "llvm/CodeGen/MIRParser/MIRParser.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/MC/TargetRegistry.h"
+#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/TargetSelect.h"
 
 #include "gtest/gtest.h"
diff --git a/llvm/unittests/Target/ARM/InstSizes.cpp b/llvm/unittests/Target/ARM/InstSizes.cpp
--- a/llvm/unittests/Target/ARM/InstSizes.cpp
+++ b/llvm/unittests/Target/ARM/InstSizes.cpp
@@ -4,6 +4,7 @@
 #include "llvm/CodeGen/MIRParser/MIRParser.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/MC/TargetRegistry.h"
+#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/TargetSelect.h"
 
 #include "gtest/gtest.h"
diff --git a/llvm/unittests/Target/X86/MachineSizeOptsTest.cpp b/llvm/unittests/Target/X86/MachineSizeOptsTest.cpp
--- a/llvm/unittests/Target/X86/MachineSizeOptsTest.cpp
+++ b/llvm/unittests/Target/X86/MachineSizeOptsTest.cpp
@@ -18,6 +18,7 @@
 #include "llvm/CodeGen/MachineLoopInfo.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/MC/TargetRegistry.h"
+#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/TargetSelect.h"
 #include "llvm/Target/TargetMachine.h"
 #include "gtest/gtest.h"
diff --git a/llvm/utils/FileCheck/FileCheck.cpp b/llvm/utils/FileCheck/FileCheck.cpp
--- a/llvm/utils/FileCheck/FileCheck.cpp
+++ b/llvm/utils/FileCheck/FileCheck.cpp
@@ -18,7 +18,9 @@
 #include "llvm/FileCheck/FileCheck.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/InitLLVM.h"
+#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Process.h"
+#include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/WithColor.h"
 #include "llvm/Support/raw_ostream.h"
 #include <cmath>
diff --git a/llvm/utils/TableGen/AsmWriterEmitter.cpp b/llvm/utils/TableGen/AsmWriterEmitter.cpp
--- a/llvm/utils/TableGen/AsmWriterEmitter.cpp
+++ b/llvm/utils/TableGen/AsmWriterEmitter.cpp
@@ -19,15 +19,14 @@
 #include "Types.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/FormatVariadic.h"
 #include "llvm/Support/MathExtras.h"
diff --git a/llvm/utils/TableGen/Attributes.cpp b/llvm/utils/TableGen/Attributes.cpp
--- a/llvm/utils/TableGen/Attributes.cpp
+++ b/llvm/utils/TableGen/Attributes.cpp
@@ -6,10 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/TableGen/Record.h"
-#include <algorithm>
-#include <string>
 #include <vector>
 using namespace llvm;
 
diff --git a/llvm/utils/TableGen/CallingConvEmitter.cpp b/llvm/utils/TableGen/CallingConvEmitter.cpp
--- a/llvm/utils/TableGen/CallingConvEmitter.cpp
+++ b/llvm/utils/TableGen/CallingConvEmitter.cpp
@@ -15,7 +15,6 @@
 #include "llvm/TableGen/Error.h"
 #include "llvm/TableGen/Record.h"
 #include "llvm/TableGen/TableGenBackend.h"
-#include <cassert>
 using namespace llvm;
 
 namespace {
diff --git a/llvm/utils/TableGen/CodeBeadsGen.cpp b/llvm/utils/TableGen/CodeBeadsGen.cpp
--- a/llvm/utils/TableGen/CodeBeadsGen.cpp
+++ b/llvm/utils/TableGen/CodeBeadsGen.cpp
@@ -22,12 +22,9 @@
 #include "CodeGenInstruction.h"
 #include "CodeGenTarget.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/TableGen/Error.h"
 #include "llvm/TableGen/Record.h"
 #include "llvm/TableGen/TableGenBackend.h"
-#include <map>
-#include <string>
 #include <vector>
 using namespace llvm;
 
diff --git a/llvm/utils/TableGen/CodeGenDAGPatterns.h b/llvm/utils/TableGen/CodeGenDAGPatterns.h
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.h
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.h
@@ -28,7 +28,6 @@
 #include <functional>
 #include <map>
 #include <numeric>
-#include <set>
 #include <vector>
 
 namespace llvm {
diff --git a/llvm/utils/TableGen/CodeGenInstruction.h b/llvm/utils/TableGen/CodeGenInstruction.h
--- a/llvm/utils/TableGen/CodeGenInstruction.h
+++ b/llvm/utils/TableGen/CodeGenInstruction.h
@@ -16,13 +16,13 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/MachineValueType.h"
-#include "llvm/Support/SMLoc.h"
 #include <cassert>
 #include <string>
 #include <utility>
 #include <vector>
 
 namespace llvm {
+class SMLoc;
 template <typename T> class ArrayRef;
   class Record;
   class DagInit;
diff --git a/llvm/utils/TableGen/CodeGenInstruction.cpp b/llvm/utils/TableGen/CodeGenInstruction.cpp
--- a/llvm/utils/TableGen/CodeGenInstruction.cpp
+++ b/llvm/utils/TableGen/CodeGenInstruction.cpp
@@ -12,7 +12,6 @@
 
 #include "CodeGenInstruction.h"
 #include "CodeGenTarget.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/TableGen/Error.h"
diff --git a/llvm/utils/TableGen/ExegesisEmitter.cpp b/llvm/utils/TableGen/ExegesisEmitter.cpp
--- a/llvm/utils/TableGen/ExegesisEmitter.cpp
+++ b/llvm/utils/TableGen/ExegesisEmitter.cpp
@@ -13,7 +13,6 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/TableGen/Error.h"
 #include "llvm/TableGen/Record.h"
diff --git a/llvm/utils/TableGen/FastISelEmitter.cpp b/llvm/utils/TableGen/FastISelEmitter.cpp
--- a/llvm/utils/TableGen/FastISelEmitter.cpp
+++ b/llvm/utils/TableGen/FastISelEmitter.cpp
@@ -19,7 +19,6 @@
 #include "CodeGenDAGPatterns.h"
 #include "CodeGenInstruction.h"
 #include "llvm/ADT/StringSwitch.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/TableGen/Error.h"
 #include "llvm/TableGen/Record.h"