//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "strongphielim"
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "strongphielim"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
LiveInterval &SrcInterval = LI->getInterval(SrcReg);
SlotIndex PredIndex = LI->getMBBEndIdx(PredBB);
VNInfo *SrcVNI = SrcInterval.getVNInfoBefore(PredIndex);
LiveInterval &SrcInterval = LI->getInterval(SrcReg);
SlotIndex PredIndex = LI->getMBBEndIdx(PredBB);
VNInfo *SrcVNI = SrcInterval.getVNInfoBefore(PredIndex);
- if (!InsertedSrcCopyMap.count(std::make_pair(PredBB, PHIColor)))
- InsertedSrcCopyMap[std::make_pair(PredBB, PHIColor)] = CopyInstr;
+ // Insert into map if not already there.
+ InsertedSrcCopyMap.insert(std::make_pair(std::make_pair(PredBB, PHIColor),
+ CopyInstr));
SlotIndex PHIIndex = LI->getInstructionIndex(PHI);
VNInfo *DestVNI = DestLI.getVNInfoAt(PHIIndex.getRegSlot());
assert(DestVNI);
SlotIndex PHIIndex = LI->getInstructionIndex(PHI);
VNInfo *DestVNI = DestLI.getVNInfoAt(PHIIndex.getRegSlot());
assert(DestVNI);
// Prior to PHI elimination, the live ranges of PHIs begin at their defining
// instruction. After PHI elimination, PHI instructions are replaced by VNs
// Prior to PHI elimination, the live ranges of PHIs begin at their defining
// instruction. After PHI elimination, PHI instructions are replaced by VNs
SlotIndex MBBStartIndex = LI->getMBBStartIdx(MBB);
SlotIndex DestCopyIndex = LI->getInstructionIndex(CopyInstr);
VNInfo *CopyVNI = CopyLI.getNextValue(MBBStartIndex,
SlotIndex MBBStartIndex = LI->getMBBStartIdx(MBB);
SlotIndex DestCopyIndex = LI->getInstructionIndex(CopyInstr);
VNInfo *CopyVNI = CopyLI.getNextValue(MBBStartIndex,
CopyLI.addRange(LiveRange(MBBStartIndex,
DestCopyIndex.getRegSlot(),
CopyVNI));
CopyLI.addRange(LiveRange(MBBStartIndex,
DestCopyIndex.getRegSlot(),
CopyVNI));