diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolution.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp index 42e38ca8049..108e510b6f3 100644 --- a/llvm/lib/Analysis/ScalarEvolution.cpp +++ b/llvm/lib/Analysis/ScalarEvolution.cpp @@ -1268,7 +1268,9 @@ static const SCEV *getPreStartForExtend(const SCEVAddRecExpr *AR, Type *Ty, // `Step`: // 1. NSW/NUW flags on the step increment. - const SCEV *PreStart = SE->getAddExpr(DiffOps, SA->getNoWrapFlags()); + auto PreStartFlags = + ScalarEvolution::maskFlags(SA->getNoWrapFlags(), SCEV::FlagNUW); + const SCEV *PreStart = SE->getAddExpr(DiffOps, PreStartFlags); const SCEVAddRecExpr *PreAR = dyn_cast<SCEVAddRecExpr>( SE->getAddRecExpr(PreStart, Step, L, SCEV::FlagAnyWrap)); |
