From b7070a2db8b0b7eca14f01f932be305be64ded57 Mon Sep 17 00:00:00 2001
From: David Srbecky <dsrbecky@google.com>
Date: Fri, 8 Jan 2016 18:13:53 +0000
Subject: Generate Nops to ensure that debug stack maps have distinct PC.

Change-Id: I5740ec958a20d236634b66df0e675382ed5c16fc
---
 compiler/optimizing/code_generator.cc | 6 ++++++
 1 file changed, 6 insertions(+)

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

diff --git a/compiler/optimizing/code_generator.cc b/compiler/optimizing/code_generator.cc
index 53d3615a41..57c5058cfb 100644
--- a/compiler/optimizing/code_generator.cc
+++ b/compiler/optimizing/code_generator.cc
@@ -997,6 +997,12 @@ void CodeGenerator::RecordPcInfo(HInstruction* instruction,
   stack_map_stream_.EndStackMapEntry();
 }
 
+bool CodeGenerator::HasStackMapAtCurrentPc() {
+  uint32_t pc = GetAssembler()->CodeSize();
+  size_t count = stack_map_stream_.GetNumberOfStackMaps();
+  return count > 0 && stack_map_stream_.GetStackMap(count - 1).native_pc_offset == pc;
+}
+
 void CodeGenerator::RecordCatchBlockInfo() {
   ArenaAllocator* arena = graph_->GetArena();
 
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