diff options
Diffstat (limited to 'compiler/optimizing/boolean_simplifier.cc')
| -rw-r--r-- | compiler/optimizing/boolean_simplifier.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler/optimizing/boolean_simplifier.cc b/compiler/optimizing/boolean_simplifier.cc index 8100a29f32..daf7d67746 100644 --- a/compiler/optimizing/boolean_simplifier.cc +++ b/compiler/optimizing/boolean_simplifier.cc @@ -141,6 +141,12 @@ void HBooleanSimplifier::TryRemovingBooleanSelection(HBasicBlock* block) { block->MergeWith(false_block); block->MergeWith(merge_block); + // No need to update any dominance information, as we are simplifying + // a simple diamond shape, where the join block is merged with the + // entry block. Any following blocks would have had the join block + // as a dominator, and `MergeWith` handles changing that to the + // entry block. + // Remove the original condition if it is now unused. if (!if_condition->HasUses()) { if_condition->GetBlock()->RemoveInstructionOrPhi(if_condition); |