diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2011-12-09 18:27:22 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2011-12-09 18:27:22 +0000 |
| commit | d4c8b5d2e851b0e8a063c6bf8543a4823a26c15a (patch) | |
| tree | d5baf24dba561bcf8bc6ec60db36bfc5586f6378 /lib/Transforms/InstCombine/InstructionCombining.cpp | |
| parent | 30815c536baacc07e925f0aef23a5395883173dc (diff) | |
Diffstat (limited to 'lib/Transforms/InstCombine/InstructionCombining.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstructionCombining.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Transforms/InstCombine/InstructionCombining.cpp b/lib/Transforms/InstCombine/InstructionCombining.cpp index 92874b95234d..c15b8058f292 100644 --- a/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -2025,9 +2025,10 @@ bool InstCombiner::DoOneIteration(Function &F, unsigned Iteration) { BasicBlock *InstParent = I->getParent(); BasicBlock::iterator InsertPos = I; - if (!isa<PHINode>(Result)) // If combining a PHI, don't insert - while (isa<PHINode>(InsertPos)) // middle of a block of PHIs. - ++InsertPos; + // If we replace a PHI with something that isn't a PHI, fix up the + // insertion point. + if (!isa<PHINode>(Result) && isa<PHINode>(InsertPos)) + InsertPos = InstParent->getFirstInsertionPt(); InstParent->getInstList().insert(InsertPos, Result); |