Merge "ART: ArrayGet hoisting restriction added."

1 files changed, 9 insertions, 0 deletions

diff --git a/compiler/optimizing/nodes.cc b/compiler/optimizing/nodes.cc
index a1d243ec56..150d6b029b 100644
--- a/compiler/optimizing/nodes.cc
+++ b/compiler/optimizing/nodes.cc
@@ -731,6 +731,15 @@ 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.