diff options
| -rw-r--r-- | lib/Analysis/InductionVariable.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Analysis/InductionVariable.cpp b/lib/Analysis/InductionVariable.cpp index b602529494..8f622973f9 100644 --- a/lib/Analysis/InductionVariable.cpp +++ b/lib/Analysis/InductionVariable.cpp @@ -136,10 +136,14 @@ InductionVariable::InductionVariable(PHINode *P, LoopInfo *LoopInfo): End(0) { if (Constant *CV = dyn_cast<Constant>(V)) Step = ConstantExpr::get(Instruction::Sub, Zero, CV); else if (Instruction *I = dyn_cast<Instruction>(V)) { + BasicBlock::iterator InsertPt = I; + for (++InsertPt; isa<PHINode>(InsertPt); ++InsertPt) + /*empty*/; Step = BinaryOperator::create(Instruction::Sub, Zero, V, - V->getName()+".neg", I->getNext()); + V->getName()+".neg", InsertPt); } else { + // Must be loop invariant Step = BinaryOperator::create(Instruction::Sub, Zero, V, V->getName()+".neg", Phi->getParent()->getParent()->begin()->begin()); |