diff options
Diffstat (limited to 'llvm/lib/Analysis/BasicAliasAnalysis.cpp')
| -rw-r--r-- | llvm/lib/Analysis/BasicAliasAnalysis.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp index da489b8..d79df62 100644 --- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp +++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp @@ -1148,14 +1148,15 @@ AliasResult BasicAAResult::aliasGEP( bool AllNonPositive = DecompGEP1.Offset.isNonPositive(); for (unsigned i = 0, e = DecompGEP1.VarIndices.size(); i != e; ++i) { APInt Scale = DecompGEP1.VarIndices[i].Scale; + APInt ScaleForGDC = DecompGEP1.VarIndices[i].Scale; if (!DecompGEP1.VarIndices[i].IsNSW) - Scale = APInt::getOneBitSet(Scale.getBitWidth(), - Scale.countTrailingZeros()); + ScaleForGDC = APInt::getOneBitSet(Scale.getBitWidth(), + Scale.countTrailingZeros()); if (i == 0) - GCD = Scale.abs(); + GCD = ScaleForGDC.abs(); else - GCD = APIntOps::GreatestCommonDivisor(GCD, Scale.abs()); + GCD = APIntOps::GreatestCommonDivisor(GCD, ScaleForGDC.abs()); if (AllNonNegative || AllNonPositive) { // If the Value could change between cycles, then any reasoning about |