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Don't read PreRegAlloc before it is initialized.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150286 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2012-02-11 00:40:36 +00:00
parent f06dfa7860
commit fd3d4cf0ef
1 changed files with 6 additions and 6 deletions
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12
lib/CodeGen/MachineLICM.cpp
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@ -311,12 +311,6 @@ static bool LoopIsOuterMostWithPredecessor(MachineLoop *CurLoop) {
}
bool MachineLICM::runOnMachineFunction(MachineFunction &MF) {
if (PreRegAlloc)
DEBUG(dbgs() << "******** Pre-regalloc Machine LICM: ");
else
DEBUG(dbgs() << "******** Post-regalloc Machine LICM: ");
DEBUG(dbgs() << MF.getFunction()->getName() << " ********\n");
Changed = FirstInLoop = false;
TM = &MF.getTarget();
TII = TM->getInstrInfo();
@ -328,6 +322,12 @@ bool MachineLICM::runOnMachineFunction(MachineFunction &MF) {
PreRegAlloc = MRI->isSSA();
if (PreRegAlloc)
DEBUG(dbgs() << "******** Pre-regalloc Machine LICM: ");
else
DEBUG(dbgs() << "******** Post-regalloc Machine LICM: ");
DEBUG(dbgs() << MF.getFunction()->getName() << " ********\n");
if (PreRegAlloc) {
// Estimate register pressure during pre-regalloc pass.
unsigned NumRC = TRI->getNumRegClasses();