Commit 2181fb2f authored by Eric Christopher's avatar Eric Christopher
Browse files

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

runOnMachineFunction.

llvm-svn: 219847
parent a0022964

llvm/lib/CodeGen/PeepholeOptimizer.cpp

+7 −9
Original line number Diff line number Diff line
@@ -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;