From fbc695f9b8e2084697e19c1355ab925f99f0d235 Mon Sep 17 00:00:00 2001
From: Nicolas Geoffray <ngeoffray@google.com>
Date: Mon, 15 Sep 2014 15:33:30 +0000
Subject: Revert "Revert "Implement suspend checks in new compiler.""

This reverts commit 7e3652c45c30c1f2f840e6088e24e2db716eaea7.

Change-Id: Ib489440c34e41cba9e9e297054f9274f6e81a2d8
---
 compiler/optimizing/nodes.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

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

diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 9018fee0a5..ed6dd939de 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -443,6 +443,7 @@ class HBasicBlock : public ArenaObject {
   M(BoundsCheck)                                           \
   M(NullCheck)                                             \
   M(Temporary)                                             \
+  M(SuspendCheck)                                          \
 
 #define FOR_EACH_INSTRUCTION(M)                            \
   FOR_EACH_CONCRETE_INSTRUCTION(M)                         \
@@ -1593,6 +1594,25 @@ class HTemporary : public HTemplateInstruction<0> {
   DISALLOW_COPY_AND_ASSIGN(HTemporary);
 };
 
+class HSuspendCheck : public HTemplateInstruction<0> {
+ public:
+  explicit HSuspendCheck(uint32_t dex_pc)
+      : HTemplateInstruction(SideEffects::ChangesSomething()), dex_pc_(dex_pc) {}
+
+  virtual bool NeedsEnvironment() const {
+    return true;
+  }
+
+  uint32_t GetDexPc() const { return dex_pc_; }
+
+  DECLARE_INSTRUCTION(SuspendCheck);
+
+ private:
+  const uint32_t dex_pc_;
+
+  DISALLOW_COPY_AND_ASSIGN(HSuspendCheck);
+};
+
 class MoveOperands : public ArenaObject {
  public:
   MoveOperands(Location source, Location destination)
-- 
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