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path: root/utils/TableGen/CodeGenDAGPatterns.cpp
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Diffstat (limited to 'utils/TableGen/CodeGenDAGPatterns.cpp')
-rw-r--r--utils/TableGen/CodeGenDAGPatterns.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 972eb9cd3403e..ef2cb4208eae6 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -2828,7 +2828,8 @@ public:
if (IntInfo->ModRef & CodeGenIntrinsic::MR_Mod)
mayStore = true;// Intrinsics that can write to memory are 'mayStore'.
- if (IntInfo->ModRef >= CodeGenIntrinsic::ReadWriteMem)
+ if (IntInfo->ModRef >= CodeGenIntrinsic::ReadWriteMem ||
+ IntInfo->hasSideEffects)
// ReadWriteMem intrinsics can have other strange effects.
hasSideEffects = true;
}