diff options
| -rw-r--r-- | compiler/optimizing/gvn.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/compiler/optimizing/gvn.cc b/compiler/optimizing/gvn.cc index 8a5a4742ba..d088e02132 100644 --- a/compiler/optimizing/gvn.cc +++ b/compiler/optimizing/gvn.cc @@ -125,9 +125,13 @@ class ValueSet : public ArenaObject<kArenaAllocGvn> { // Removes all instructions in the set affected by the given side effects. void Kill(SideEffects side_effects) { - DeleteAllImpureWhich([side_effects](Node* node) { - return node->GetSideEffects().MayDependOn(side_effects); - }); + // Nothing to do if the side effects don't have any change bit set, as MayDependOn will always + // return false. + if (side_effects.HasSideEffects()) { + DeleteAllImpureWhich([side_effects](Node* node) { + return node->GetSideEffects().MayDependOn(side_effects); + }); + } } void Clear() { |