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MRegisterInfo disowns RegScavenger. It's immutable.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34706 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-02-28 00:17:36 +00:00
parent f5c0fd9e16
commit 37f15a6d48
2 changed files with 10 additions and 9 deletions
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4
lib/CodeGen/PrologEpilogInserter.cpp
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@ -442,7 +442,7 @@ void PEI::replaceFrameIndices(MachineFunction &Fn) {
const TargetMachine &TM = Fn.getTarget();
assert(TM.getRegisterInfo() && "TM::getRegisterInfo() must be implemented!");
const MRegisterInfo &MRI = *TM.getRegisterInfo();
RegScavenger *RS = MRI.getRegScavenger();
RegScavenger *RS = MRI.requiresRegisterScavenging() ? new RegScavenger():NULL;
for (MachineFunction::iterator BB = Fn.begin(), E = Fn.end(); BB != E; ++BB) {
if (RS) RS->reset(BB);
@ -451,7 +451,7 @@ void PEI::replaceFrameIndices(MachineFunction &Fn) {
if (I->getOperand(i).isFrameIndex()) {
// If this instruction has a FrameIndex operand, we need to use that
// target machine register info object to eliminate it.
MRI.eliminateFrameIndex(I);
MRI.eliminateFrameIndex(I, RS);
break;
}
// Update register states.