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We need to subtract one from this index because live ranges are open at the end. 

llvm-svn: 51922
This commit is contained in:
Owen Anderson 2008-06-04 00:38:56 +00:00
parent a2981a2c7b
commit c777d9e6fe
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/CodeGen/StrongPHIElimination.cpp
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@ -467,7 +467,7 @@ void StrongPHIElimination::processBlock(MachineBasicBlock* MBB) {
} else {
// Otherwise, add it to the renaming set
LiveInterval& I = LI.getOrCreateInterval(SrcReg);
unsigned idx = LI.getMBBEndIdx(P->getOperand(i).getMBB());
unsigned idx = LI.getMBBEndIdx(P->getOperand(i).getMBB()) - 1;
VNInfo* VN = I.getLiveRangeContaining(idx)->valno;
assert(VN && "No VNInfo for register?");