AMDGPU: Cleanup includes and random macros

[• tstellarAMD]

LGTM.

[arsenm]

r260784

lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp

 //===-- AMDGPUISelDAGToDAG.cpp - A dag to dag inst selector for AMDGPU ----===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //==-----------------------------------------------------------------------===//
 //
 /// \file
 /// \brief Defines an instruction selector for the AMDGPU target.
 //
 //===----------------------------------------------------------------------===//
 
 #include "AMDGPUInstrInfo.h"
 #include "AMDGPUISelLowering.h" // For AMDGPUISD
-#include "AMDGPURegisterInfo.h"
 #include "AMDGPUSubtarget.h"
-#include "R600InstrInfo.h"
-#include "SIDefines.h"
 #include "SIISelLowering.h"
 #include "SIMachineFunctionInfo.h"
-#include "llvm/CodeGen/FunctionLoweringInfo.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/PseudoSourceValue.h"
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/SelectionDAGISel.h"
 #include "llvm/IR/DiagnosticInfo.h"
-#include "llvm/IR/Function.h"
 
 using namespace llvm;
 
+namespace llvm {
+class R600InstrInfo;
+}
+
 //===----------------------------------------------------------------------===//
 // Instruction Selector Implementation
 //===----------------------------------------------------------------------===//
 
 namespace {
 /// AMDGPU specific code to select AMDGPU machine instructions for
 /// SelectionDAG operations.
 class AMDGPUDAGToDAGISel : public SelectionDAGISel {
bool AMDGPUDAGToDAGISel::isPrivateLoad(const LoadSDNode *N) const {
   }
   return false;
 }
 
 const char *AMDGPUDAGToDAGISel::getPassName() const {
   return "AMDGPU DAG->DAG Pattern Instruction Selection";
 }
 
-#ifdef DEBUGTMP
-#undef INT64_C
-#endif
-#undef DEBUGTMP
-
 //===----------------------------------------------------------------------===//
 // Complex Patterns
 //===----------------------------------------------------------------------===//
 
 bool AMDGPUDAGToDAGISel::SelectGlobalValueConstantOffset(SDValue Addr,
                                                          SDValue& IntPtr) {
   if (ConstantSDNode *Cst = dyn_cast<ConstantSDNode>(Addr)) {
     IntPtr = CurDAG->getIntPtrConstant(Cst->getZExtValue() / 4, SDLoc(Addr),