From 09aa147f0891ef28a95d89e8ad61c429f82ddd5b Mon Sep 17 00:00:00 2001
From: Nicolas Geoffray <ngeoffray@google.com>
Date: Tue, 19 Jan 2016 10:52:54 +0000
Subject: Disable DCE when there are irreducible loops.

Also ensure an instruction that requires an environment
does have one.

Change-Id: I41a8460e05ef320f872197d3be7847e7ffaa6ee8
---
 compiler/optimizing/nodes.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'compiler/optimizing/nodes.h')

diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 859d570b29..e222ef7260 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -860,6 +860,8 @@ class HBasicBlock : public ArenaObject<kArenaAllocBasicBlock> {
   HInstruction* GetLastPhi() const { return phis_.last_instruction_; }
   const HInstructionList& GetPhis() const { return phis_; }
 
+  HInstruction* GetFirstInstructionDisregardMoves() const;
+
   void AddSuccessor(HBasicBlock* block) {
     successors_.push_back(block);
     block->predecessors_.push_back(this);
-- 
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