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Fix a crash related to updating Phi nodes in the original header block. This was 

causing a crash in 175.vpr

llvm-svn: 29887
This commit is contained in:
Owen Anderson 2006-08-25 22:13:55 +00:00
parent 8e4b029573
commit 403b95af47
1 changed files with 2 additions and 1 deletions
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3
llvm/lib/Transforms/Scalar/LoopUnroll.cpp
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@ -269,7 +269,8 @@ bool LoopUnroll::visitLoop(Loop *L) {
if (isa<Instruction>(InVal))
InVal = LastValueMap[InVal];
(*SI)->removeIncomingValue(LatchBlock, false);
(*SI)->addIncoming(InVal, cast<BasicBlock>(LastValueMap[LatchBlock]));
if (InVal)
(*SI)->addIncoming(InVal, cast<BasicBlock>(LastValueMap[LatchBlock]));
}
}