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Nick Lewycky's patch.

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While hosting instruction check PHI node.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57025 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2008-10-03 18:57:37 +00:00
parent 2d2649ac93
commit 20da1f07da
2 changed files with 37 additions and 1 deletions
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2
lib/Transforms/Utils/SimplifyCFG.cpp
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@ -1051,7 +1051,7 @@ static bool SpeculativelyExecuteBB(BranchInst *BI, BasicBlock *BB1) {
BasicBlock::iterator InsertPos = BI;
if (InsertPos != BIParent->begin())
--InsertPos;
if (InsertPos == BrCond) {
if (InsertPos == BrCond && !isa<PHINode>(BrCond)) {
SmallPtrSet<Instruction *, 4> BB1Insns;
for(BasicBlock::iterator BB1I = BB1->begin(), BB1E = BB1->end();
BB1I != BB1E; ++BB1I)