[CallSite removal][ValueTracking] Use CallBase instead of ImmutableCallSite for getIntrinsicForCallSite. NFC

[mtrofin]

lgtm

llvm/include/llvm/Analysis/ValueTracking.h

 //===- llvm/Analysis/ValueTracking.h - Walk computations --------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
 // This file contains routines that help analyze properties that chains of
 // computations have.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_ANALYSIS_VALUETRACKING_H
 #define LLVM_ANALYSIS_VALUETRACKING_H
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/SmallSet.h"
-#include "llvm/IR/CallSite.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/IR/Instruction.h"
+#include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Intrinsics.h"
 #include <cassert>
 #include <cstdint>
 
 namespace llvm {
 
 class AddOperator;
 class APInt;
 class AssumptionCache;
 class DominatorTree;
 class GEPOperator;
 class IntrinsicInst;
+class LoadInst;
 class WithOverflowInst;
 struct KnownBits;
 class Loop;
 class LoopInfo;
 class MDNode;
 class OptimizationRemarkEmitter;
 class StringRef;
 class TargetLibraryInfo;
class Value;
   /// integer, then the simplified V is returned in Val. Look through sext only
   /// if LookThroughSExt=true.
   bool ComputeMultiple(Value *V, unsigned Base, Value *&Multiple,
                        bool LookThroughSExt = false,
                        unsigned Depth = 0);
 
   /// Map a call instruction to an intrinsic ID.  Libcalls which have equivalent
   /// intrinsics are treated as-if they were intrinsics.
-  Intrinsic::ID getIntrinsicForCallSite(ImmutableCallSite ICS,
+  Intrinsic::ID getIntrinsicForCallSite(const CallBase &CB,
                                         const TargetLibraryInfo *TLI);
 
   /// Return true if we can prove that the specified FP value is never equal to
   /// -0.0.
   bool CannotBeNegativeZero(const Value *V, const TargetLibraryInfo *TLI,
                             unsigned Depth = 0);
 
   /// Return true if we can prove that the specified FP value is either NaN or

llvm/lib/Analysis/ValueTracking.cpp

 //===- ValueTracking.cpp - Walk computations to compute properties --------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
case Instruction::Mul: {
     }
   }
   }
 
   // We could not determine if V is a multiple of Base.
   return false;
 }
 
-Intrinsic::ID llvm::getIntrinsicForCallSite(ImmutableCallSite ICS,
+Intrinsic::ID llvm::getIntrinsicForCallSite(const CallBase &CB,
                                             const TargetLibraryInfo *TLI) {
-  const Function *F = ICS.getCalledFunction();
+  const Function *F = CB.getCalledFunction();
   if (!F)
     return Intrinsic::not_intrinsic;
 
   if (F->isIntrinsic())
     return F->getIntrinsicID();
 
   if (!TLI)
     return Intrinsic::not_intrinsic;
 
   LibFunc Func;
   // We're going to make assumptions on the semantics of the functions, check
   // that the target knows that it's available in this environment and it does
   // not have local linkage.
   if (!F || F->hasLocalLinkage() || !TLI->getLibFunc(*F, Func))
     return Intrinsic::not_intrinsic;
 
-  if (!ICS.onlyReadsMemory())
+  if (!CB.onlyReadsMemory())
     return Intrinsic::not_intrinsic;
 
   // Otherwise check if we have a call to a function that can be turned into a
   // vector intrinsic.
   switch (Func) {
   default:
     break;
   case LibFunc_sin:
bool llvm::CannotBeNegativeZero(const Value *V, const TargetLibraryInfo *TLI,
   if (match(Op, m_FAdd(m_Value(), m_PosZeroFP())))
     return true;
 
   // sitofp and uitofp turn into +0.0 for zero.
   if (isa<SIToFPInst>(Op) || isa<UIToFPInst>(Op))
     return true;
 
   if (auto *Call = dyn_cast<CallInst>(Op)) {
-    Intrinsic::ID IID = getIntrinsicForCallSite(Call, TLI);
+    Intrinsic::ID IID = getIntrinsicForCallSite(*Call, TLI);
     switch (IID) {
     default:
       break;
     // sqrt(-0.0) = -0.0, no other negative results are possible.
     case Intrinsic::sqrt:
     case Intrinsic::canonicalize:
       return CannotBeNegativeZero(Call->getArgOperand(0), TLI, Depth + 1);
     // fabs(x) != -0.0
static bool cannotBeOrderedLessThanZeroImpl(const Value *V,
   case Instruction::ExtractElement:
     // Look through extract element. At the moment we keep this simple and skip
     // tracking the specific element. But at least we might find information
     // valid for all elements of the vector.
     return cannotBeOrderedLessThanZeroImpl(I->getOperand(0), TLI, SignBitOnly,
                                            Depth + 1);
   case Instruction::Call:
     const auto *CI = cast<CallInst>(I);
-    Intrinsic::ID IID = getIntrinsicForCallSite(CI, TLI);
+    Intrinsic::ID IID = getIntrinsicForCallSite(*CI, TLI);
     switch (IID) {
     default:
       break;
     case Intrinsic::maxnum:
       return (isKnownNeverNaN(I->getOperand(0), TLI) &&
               cannotBeOrderedLessThanZeroImpl(I->getOperand(0), TLI,
                                               SignBitOnly, Depth + 1)) ||
             (isKnownNeverNaN(I->getOperand(1), TLI) &&

llvm/lib/Analysis/VectorUtils.cpp

 //===----------- VectorUtils.cpp - Vectorizer utility functions -----------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
bool llvm::hasVectorInstrinsicScalarOpd(Intrinsic::ID ID,
   }
 }
 
 /// Returns intrinsic ID for call.
 /// For the input call instruction it finds mapping intrinsic and returns
 /// its ID, in case it does not found it return not_intrinsic.
 Intrinsic::ID llvm::getVectorIntrinsicIDForCall(const CallInst *CI,
                                                 const TargetLibraryInfo *TLI) {
-  Intrinsic::ID ID = getIntrinsicForCallSite(CI, TLI);
+  Intrinsic::ID ID = getIntrinsicForCallSite(*CI, TLI);
   if (ID == Intrinsic::not_intrinsic)
     return Intrinsic::not_intrinsic;
 
   if (isTriviallyVectorizable(ID) || ID == Intrinsic::lifetime_start ||
       ID == Intrinsic::lifetime_end || ID == Intrinsic::assume ||
       ID == Intrinsic::sideeffect)
     return ID;
   return Intrinsic::not_intrinsic;

llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp

 //===- LowerMatrixIntrinsics.cpp -  Lower matrix intrinsics -----*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //

 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Analysis/DomTreeUpdater.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/Analysis/VectorUtils.h"
 #include "llvm/IR/CFG.h"
+#include "llvm/IR/CallSite.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/PatternMatch.h"
 #include "llvm/InitializePasses.h"

llvm/lib/Transforms/Scalar/SpeculateAroundPHIs.cpp

 //===- SpeculateAroundPHIs.cpp --------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Transforms/Scalar/SpeculateAroundPHIs.h"
 #include "llvm/ADT/PostOrderIterator.h"
 #include "llvm/ADT/Sequence.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/CallSite.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 
 using namespace llvm;
 

llvm/unittests/Analysis/ValueTrackingTest.cpp

 //===- ValueTrackingTest.cpp - ValueTracking tests ------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/AsmParser/Parser.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/InstIterator.h"
+#include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/KnownBits.h"
 #include "llvm/Support/SourceMgr.h"
 #include "gtest/gtest.h"
 
 using namespace llvm;