diff options
Diffstat (limited to 'lib/Transforms/Utils/LCSSA.cpp')
-rw-r--r-- | lib/Transforms/Utils/LCSSA.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/LCSSA.cpp b/lib/Transforms/Utils/LCSSA.cpp index df6e603c0b..e90c30bba7 100644 --- a/lib/Transforms/Utils/LCSSA.cpp +++ b/lib/Transforms/Utils/LCSSA.cpp @@ -190,14 +190,15 @@ bool LCSSA::ProcessInstruction(Instruction *Inst, for (Value::use_iterator UI = Inst->use_begin(), E = Inst->use_end(); UI != E; ++UI) { - BasicBlock *UserBB = cast<Instruction>(*UI)->getParent(); - if (PHINode *PN = dyn_cast<PHINode>(*UI)) + User *U = *UI; + BasicBlock *UserBB = cast<Instruction>(U)->getParent(); + if (PHINode *PN = dyn_cast<PHINode>(U)) UserBB = PN->getIncomingBlock(UI); if (InstBB != UserBB && !inLoop(UserBB)) UsesToRewrite.push_back(&UI.getUse()); } - + // If there are no uses outside the loop, exit with no change. if (UsesToRewrite.empty()) return false; |