Author: evancheng
Date: Thu Jan 10 02:24:38 2008
New Revision: 45831
URL: http://llvm.org/viewvc/llvm-project?rev=45831&view=rev
Log:
Only remat loads from immutable stack slots.
Modified:
llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp
Modified: llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp?rev=45831&r1=45830&r2=45831&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp Thu Jan 10 02:24:38 2008
@@ -624,7 +624,7 @@
int FrameIdx = 0;
if (!tii_->isLoadFromStackSlot(MI, FrameIdx) ||
- !mf_->getFrameInfo()->isFixedObjectIndex(FrameIdx))
+ !mf_->getFrameInfo()->isImmutableObjectIndex(FrameIdx))
return false;
// This is a load from fixed stack slot. It can be rematerialized unless it's
@@ -719,7 +719,7 @@
else
LiveVariables::transferKillDeadInfo(MI, fmi, mri_);
MachineBasicBlock &MBB = *MI->getParent();
- if (isSS && !mf_->getFrameInfo()->isFixedObjectIndex(Slot))
+ if (isSS && !mf_->getFrameInfo()->isImmutableObjectIndex(Slot))
vrm.virtFolded(Reg, MI, fmi, (VirtRegMap::ModRef)MRInfo);
vrm.transferSpillPts(MI, fmi);
vrm.transferRestorePts(MI, fmi);
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