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Avoid caching the MachineFunction, we don't use it outside of

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runOnMachineFunction.

llvm-svn: 219847
This commit is contained in:
Eric Christopher 2014-10-15 21:06:25 +00:00
parent 527b1df834
commit 64e055d96c
1 changed files with 7 additions and 9 deletions
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16
lib/CodeGen/PeepholeOptimizer.cpp
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@ -107,7 +107,6 @@ STATISTIC(NumRewrittenCopies, "Number of copies rewritten");
namespace {
class PeepholeOptimizer : public MachineFunctionPass {
MachineFunction *MF;
const TargetInstrInfo *TII;
const TargetRegisterInfo *TRI;
MachineRegisterInfo *MRI;
@ -1052,25 +1051,24 @@ bool PeepholeOptimizer::foldImmediate(MachineInstr *MI, MachineBasicBlock *MBB,
return false;
}
bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &mf) {
if (skipOptnoneFunction(*mf.getFunction()))
bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &MF) {
if (skipOptnoneFunction(*MF.getFunction()))
return false;
DEBUG(dbgs() << "********** PEEPHOLE OPTIMIZER **********\n");
DEBUG(dbgs() << "********** Function: " << mf.getName() << '\n');
DEBUG(dbgs() << "********** Function: " << MF.getName() << '\n');
if (DisablePeephole)
return false;
MF = &mf;
TII = MF->getSubtarget().getInstrInfo();
TRI = MF->getSubtarget().getRegisterInfo();
MRI = &MF->getRegInfo();
TII = MF.getSubtarget().getInstrInfo();
TRI = MF.getSubtarget().getRegisterInfo();
MRI = &MF.getRegInfo();
DT = Aggressive ? &getAnalysis<MachineDominatorTree>() : nullptr;
bool Changed = false;
for (MachineFunction::iterator I = MF->begin(), E = MF->end(); I != E; ++I) {
for (MachineFunction::iterator I = MF.begin(), E = MF.end(); I != E; ++I) {
MachineBasicBlock *MBB = &*I;
bool SeenMoveImm = false;