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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85671 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-10-31 17:48:31 +00:00
parent 438b583dbd
commit 28f3d34a9b
1 changed files with 4 additions and 0 deletions
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4
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -10998,6 +10998,10 @@ Instruction *InstCombiner::visitPHINode(PHINode &PN) {
PN.setIncomingValue(i, VB);
PN.setIncomingBlock(j, BBA);
PN.setIncomingValue(j, VA);
// NOTE: Instcombine normally would want us to "return &PN" if we
// modified any of the operands of an instruction. However, since we
// aren't adding or removing uses (just rearranging them) we don't do
// this in this case.
}
}