diff options
Diffstat (limited to 'compiler/optimizing/nodes.cc')
-rw-r--r-- | compiler/optimizing/nodes.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/optimizing/nodes.cc b/compiler/optimizing/nodes.cc index 60329ccff2..f4d3842ff9 100644 --- a/compiler/optimizing/nodes.cc +++ b/compiler/optimizing/nodes.cc @@ -734,6 +734,15 @@ bool HLoopInformation::HasBackEdgeNotDominatedByHeader() const { return false; } +bool HLoopInformation::DominatesAllBackEdges(HBasicBlock* block) { + for (HBasicBlock* back_edge : GetBackEdges()) { + if (!block->Dominates(back_edge)) { + return false; + } + } + return true; +} + bool HBasicBlock::Dominates(HBasicBlock* other) const { // Walk up the dominator tree from `other`, to find out if `this` // is an ancestor. |