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| author | Nick Lewycky <nicholas@mxc.ca> | 2008-05-25 23:43:32 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2008-05-25 23:43:32 +0000 |
| commit | 3195b393d6653d6279a5fc79457a3e7a34aa4786 (patch) | |
| tree | 2906c11b43c5387af896b1f54692ab74d85b2bdc /llvm/lib/Analysis/ScalarEvolution.cpp | |
| parent | f6ccd2580c14feb4b76239e247ade45898823598 (diff) | |
| download | bcm5719-llvm-3195b393d6653d6279a5fc79457a3e7a34aa4786.tar.gz bcm5719-llvm-3195b393d6653d6279a5fc79457a3e7a34aa4786.zip | |
Don't treat values as signed when looking at loop steppings in HowForToNonZero.
llvm-svn: 51560
Diffstat (limited to 'llvm/lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolution.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp index 26010ebaa2f..e01cf51794e 100644 --- a/llvm/lib/Analysis/ScalarEvolution.cpp +++ b/llvm/lib/Analysis/ScalarEvolution.cpp @@ -2548,9 +2548,9 @@ SCEVHandle ScalarEvolutionsImpl::HowFarToZero(SCEV *V, const Loop *L) { if (SCEVConstant *StartC = dyn_cast<SCEVConstant>(Start)) { ConstantInt *StartCC = StartC->getValue(); Constant *StartNegC = ConstantExpr::getNeg(StartCC); - Constant *Rem = ConstantExpr::getSRem(StartNegC, StepC->getValue()); + Constant *Rem = ConstantExpr::getURem(StartNegC, StepC->getValue()); if (Rem->isNullValue()) { - Constant *Result =ConstantExpr::getSDiv(StartNegC,StepC->getValue()); + Constant *Result = ConstantExpr::getUDiv(StartNegC,StepC->getValue()); return SE.getUnknown(Result); } } |
