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-rw-r--r--contrib/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp b/contrib/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp
index ac36cef89ebb..60e630aaab88 100644
--- a/contrib/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp
+++ b/contrib/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp
@@ -97,7 +97,8 @@ const SCEV *llvm::TransformForPostIncUse(TransformKind Kind,
const SCEV *N = TransformForPostIncUse(Kind, O, LUser, 0, Loops, SE, DT);
Operands.push_back(N);
}
- const SCEV *Result = SE.getAddRecExpr(Operands, L);
+ // Conservatively use AnyWrap until/unless we need FlagNW.
+ const SCEV *Result = SE.getAddRecExpr(Operands, L, SCEV::FlagAnyWrap);
switch (Kind) {
default: llvm_unreachable("Unexpected transform name!");
case NormalizeAutodetect: