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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 | 04b35e8532d82b6777a667e09db153e9fb73e071 (patch) | |
| tree | 639a4770a7e6192387b9ab0cf06ab96d0c11547d /lib/Analysis | |
| parent | 3dfd7bf5110c47e99fd0fcce96122b90f699ca3a (diff) | |
| download | external_llvm-04b35e8532d82b6777a667e09db153e9fb73e071.zip external_llvm-04b35e8532d82b6777a667e09db153e9fb73e071.tar.gz external_llvm-04b35e8532d82b6777a667e09db153e9fb73e071.tar.bz2 | |
Don't treat values as signed when looking at loop steppings in HowForToNonZero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51560 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 26010eb..e01cf51 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/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); } } |