Attempt to update the shadow stack GC pass to the new EH model.

[oota-llvm.git] / lib / Analysis / ScalarEvolutionNormalization.cpp

diff --git a/lib/Analysis/ScalarEvolutionNormalization.cpp b/lib/Analysis/ScalarEvolutionNormalization.cpp
index ac36cef89ebb585cb46f8e9cba1a8bfd3fa26f5d..60e630aaab8893b27345ac3caa41c5acbf61d484 100644 (file)
--- a/lib/Analysis/ScalarEvolutionNormalization.cpp
+++ b/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: