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authorChris Lattner <sabre@nondot.org>2010-12-13 05:34:18 +0000
committerChris Lattner <sabre@nondot.org>2010-12-13 05:34:18 +0000
commitcb570f87e5fa150d60668119f8e9d985ade1d070 (patch)
tree7c3157f092c135a01fb969cfb7d41be28d96c7fe /llvm/lib/Transforms
parenta6db741f3d2596330798a0e07190cdf293d1b456 (diff)
downloadbcm5719-llvm-cb570f87e5fa150d60668119f8e9d985ade1d070.tar.gz
bcm5719-llvm-cb570f87e5fa150d60668119f8e9d985ade1d070.zip
fix a bug in r121680 that upset the various buildbots.
llvm-svn: 121687
Diffstat (limited to 'llvm/lib/Transforms')
-rw-r--r--llvm/lib/Transforms/Utils/SimplifyCFG.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
index e16125e8326..9187a0f1752 100644
--- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -1899,6 +1899,13 @@ static bool SimplifyBranchOnICmpChain(BranchInst *BI, const TargetData *TD) {
BranchInst::Create(EdgeBB, NewBB, ExtraCase, OldTI);
OldTI->eraseFromParent();
+
+ // If there are PHI nodes in EdgeBB, then we need to add a new entry to them
+ // for the edge we just added.
+ for (BasicBlock::iterator I = EdgeBB->begin(); isa<PHINode>(I); ++I) {
+ PHINode *PN = cast<PHINode>(I);
+ PN->addIncoming(PN->getIncomingValueForBlock(NewBB), BB);
+ }
BB = NewBB;
}
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