From ea80942c39cb5e9bc3e38a388583d1646c1e2a3f Mon Sep 17 00:00:00 2001
From: Nicolas Geoffray <ngeoffray@google.com>
Date: Wed, 24 Jun 2015 14:25:09 +0100
Subject: [PATCH] Fix codegen_test after DCE fix.

Change-Id: I16c64abc26c64815da4cb4034276d60e9bfb6996
---
 compiler/optimizing/codegen_test.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/compiler/optimizing/codegen_test.cc b/compiler/optimizing/codegen_test.cc
index ca85cf5fa..4fbb51d43 100644
--- a/compiler/optimizing/codegen_test.cc
+++ b/compiler/optimizing/codegen_test.cc
@@ -192,7 +192,10 @@ static void RunCodeOptimized(CodeGenerator* codegen,
                              std::function<void(HGraph*)> hook_before_codegen,
                              bool has_result,
                              Expected expected) {
-  graph->BuildDominatorTree();
+  // Tests may have already computed it.
+  if (graph->GetReversePostOrder().IsEmpty()) {
+    graph->BuildDominatorTree();
+  }
   SsaLivenessAnalysis liveness(graph, codegen);
   liveness.Analyze();
 
-- 
2.11.0