From bb7a28a9275239f4e6d5f7863d8256ae036a9d5e Mon Sep 17 00:00:00 2001
From: Zheng Xu <zheng.xu@arm.com>
Date: Fri, 9 Jan 2015 14:40:47 +0800
Subject: ART: Dump environment to cfg file.

Environment shows additional dependency and instructions with environment
should usually be a safepoint as well.

Change-Id: I04606624e6ea212ab1dc7502cdb87b5d5d0e3ac2
---
 compiler/optimizing/graph_visualizer.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'compiler/optimizing/graph_visualizer.cc')

diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc
index 9383d31e8f..835bca688f 100644
--- a/compiler/optimizing/graph_visualizer.cc
+++ b/compiler/optimizing/graph_visualizer.cc
@@ -194,6 +194,19 @@ class HGraphVisualizerPrinter : public HGraphVisitor {
       }
       output_ << "]";
     }
+    if (instruction->HasEnvironment()) {
+      HEnvironment* env = instruction->GetEnvironment();
+      output_ << " (env: [ ";
+      for (size_t i = 0, e = env->Size(); i < e; ++i) {
+        HInstruction* insn = env->GetInstructionAt(i);
+        if (insn != nullptr) {
+          output_ << GetTypeId(insn->GetType()) << insn->GetId() << " ";
+        } else {
+          output_ << " _ ";
+        }
+      }
+      output_ << "])";
+    }
     if (pass_name_ == kLivenessPassName
         && is_after_pass_
         && instruction->GetLifetimePosition() != kNoLifetime) {
-- 
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