1 files changed, 7 insertions, 3 deletions
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 26eee1c52e..0f5b1abbbf 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -160,6 +160,8 @@ class HGraph : public ArenaObject<kArenaAllocMisc> {
   const GrowableArray<HBasicBlock*>& GetBlocks() const { return blocks_; }
   HBasicBlock* GetBlock(size_t id) const { return blocks_.Get(id); }
 
+  bool IsInSsaForm() const { return in_ssa_form_; }
+
   HBasicBlock* GetEntryBlock() const { return entry_block_; }
   HBasicBlock* GetExitBlock() const { return exit_block_; }
   bool HasExitBlock() const { return exit_block_ != nullptr; }
@@ -183,6 +185,9 @@ class HGraph : public ArenaObject<kArenaAllocMisc> {
     return true;
   }
 
+  void ComputeDominanceInformation();
+  void ClearDominanceInformation();
+
   void BuildDominatorTree();
   void TransformToSsa();
   void SimplifyCFG();
@@ -590,11 +595,10 @@ class HBasicBlock : public ArenaObject<kArenaAllocMisc> {
     LOG(FATAL) << "Unreachable";
     UNREACHABLE();
   }
+  void ClearDominanceInformation();
 
   int NumberOfBackEdges() const {
-    return loop_information_ == nullptr
-        ? 0
-        : loop_information_->NumberOfBackEdges();
+    return IsLoopHeader() ? loop_information_->NumberOfBackEdges() : 0;
   }
 
   HInstruction* GetFirstInstruction() const { return instructions_.first_instruction_; }