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

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runOnMachineFunction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219847 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2014-10-15 21:06:25 +00:00
parent 0a72d8bb20
commit 55751ba9e2
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 { namespace {
class PeepholeOptimizer : public MachineFunctionPass { class PeepholeOptimizer : public MachineFunctionPass {
MachineFunction *MF;
const TargetInstrInfo *TII; const TargetInstrInfo *TII;
const TargetRegisterInfo *TRI; const TargetRegisterInfo *TRI;
MachineRegisterInfo *MRI; MachineRegisterInfo *MRI;
@ -1052,25 +1051,24 @@ bool PeepholeOptimizer::foldImmediate(MachineInstr *MI, MachineBasicBlock *MBB,
return false; return false;
} }
bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &mf) { bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &MF) {
if (skipOptnoneFunction(*mf.getFunction())) if (skipOptnoneFunction(*MF.getFunction()))
return false; return false;
DEBUG(dbgs() << "********** PEEPHOLE OPTIMIZER **********\n"); DEBUG(dbgs() << "********** PEEPHOLE OPTIMIZER **********\n");
DEBUG(dbgs() << "********** Function: " << mf.getName() << '\n'); DEBUG(dbgs() << "********** Function: " << MF.getName() << '\n');
if (DisablePeephole) if (DisablePeephole)
return false; return false;
MF = &mf; TII = MF.getSubtarget().getInstrInfo();
TII = MF->getSubtarget().getInstrInfo(); TRI = MF.getSubtarget().getRegisterInfo();
TRI = MF->getSubtarget().getRegisterInfo(); MRI = &MF.getRegInfo();
MRI = &MF->getRegInfo();
DT = Aggressive ? &getAnalysis<MachineDominatorTree>() : nullptr; DT = Aggressive ? &getAnalysis<MachineDominatorTree>() : nullptr;
bool Changed = false; 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; MachineBasicBlock *MBB = &*I;
bool SeenMoveImm = false; bool SeenMoveImm = false;