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Update the branch weight metadata when reversing the order of a branch.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147280 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2011-12-26 20:54:14 +00:00
parent 9d52310222
commit c9a1aed7fe
2 changed files with 27 additions and 4 deletions
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5
lib/Transforms/Utils/SimplifyCFG.cpp
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@ -1603,10 +1603,7 @@ bool llvm::FoldBranchToCommonDest(BranchInst *BI) {
}
PBI->setCondition(NewCond);
BasicBlock *OldTrue = PBI->getSuccessor(0);
BasicBlock *OldFalse = PBI->getSuccessor(1);
PBI->setSuccessor(0, OldFalse);
PBI->setSuccessor(1, OldTrue);
PBI->swapSuccessors();
}
// If we have a bonus inst, clone it into the predecessor block.