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| 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 | 27b4f222cf30141080fb6a69496b0155f152268c (patch) | |
| tree | 0dea9c639d470bc4e650c4952c3d483230bef849 /llvm/lib | |
| parent | 093e4c578d88e8f608ca3a1143b8b0e616c35679 (diff) | |
| download | bcm5719-llvm-27b4f222cf30141080fb6a69496b0155f152268c.tar.gz bcm5719-llvm-27b4f222cf30141080fb6a69496b0155f152268c.zip | |
Fix PR 4086, a bug in FP IV elimination.
llvm-svn: 70247
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/IndVarSimplify.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp index cc3919da846..141b1181bf9 100644 --- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/llvm/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()); |
