diff options
| author | Dale Johannesen <dalej@apple.com> | 2009-04-27 21:03:15 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2009-04-27 21:03:15 +0000 |
| commit | 617d108a639b29015da2dbf0e54f61bd39c3c33c (patch) | |
| tree | 621e829cbbf7509d9e627df3dea446d2a5254d12 /lib/Transforms | |
| parent | c45288e06bfe7d0b0e74eff350d280fa6c944373 (diff) | |
Fix PR 4086, a bug in FP IV elimination.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70247 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/IndVarSimplify.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp index cc3919da84..141b1181bf 100644 --- a/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -1037,9 +1037,11 @@ void IndVarSimplify::HandleFloatingPointIV(Loop *L, PHINode *PH, Incr->getName()+".int", Incr); NewPHI->addIncoming(NewAdd, PH->getIncomingBlock(BackEdge)); + // The back edge is edge 1 of newPHI, whatever it may have been in the + // original PHI. ConstantInt *NewEV = ConstantInt::get(Type::Int32Ty, intEV); - Value *LHS = (EVIndex == 1 ? NewPHI->getIncomingValue(BackEdge) : NewEV); - Value *RHS = (EVIndex == 1 ? NewEV : NewPHI->getIncomingValue(BackEdge)); + Value *LHS = (EVIndex == 1 ? NewPHI->getIncomingValue(1) : NewEV); + Value *RHS = (EVIndex == 1 ? NewEV : NewPHI->getIncomingValue(1)); ICmpInst *NewEC = new ICmpInst(NewPred, LHS, RHS, EC->getNameStart(), EC->getParent()->getTerminator()); |