commit 736b560f2d2c89b63dc895888c671b5519afa4c8
author Mathieu Chartier <mathieuc@google.com> Wed Sep 02 14:54:11 2015 -0700
committer Mathieu Chartier <mathieuc@google.com> Thu Sep 03 13:27:19 2015 -0700
tree d5aee7ac36f458a5f6e6d75fceb19f8963a71db5
parent fe3879e6011f629d0dd6b04fab00b9496bd4ea08

Reduce how often we call FindDexCache

Before host boot.oat -j4 optimizing compile:
real  1m17.792s
user  3m26.140s
sys 0m8.340s

After:
real  1m12.324s
user  3m22.718s
sys 0m8.320s

Change-Id: If18e9e79e06cdf1676692e5efacb682bf93889c3

compiler/dex/mir_analysis.cc

diff --git a/compiler/dex/mir_analysis.cc b/compiler/dex/mir_analysis.cc
index 1cff8dc..39f8ee8 100644
--- a/compiler/dex/mir_analysis.cc
+++ b/compiler/dex/mir_analysis.cc
@@ -30,6 +30,7 @@
 #include "driver/compiler_driver.h"
 #include "driver/compiler_options.h"
 #include "driver/dex_compilation_unit.h"
+#include "scoped_thread_state_change.h"
 #include "utils.h"
 
 namespace art {
@@ -1283,8 +1284,12 @@
       ifield_lowering_infos_.push_back(
           MirIFieldLoweringInfo(masked_field_idx, field_types[pos], is_quickened));
     }
-    MirIFieldLoweringInfo::Resolve(cu_->compiler_driver, GetCurrentDexCompilationUnit(),
-                                   ifield_lowering_infos_.data(), ifield_pos);
+    ScopedObjectAccess soa(Thread::Current());
+    MirIFieldLoweringInfo::Resolve(soa,
+                                   cu_->compiler_driver,
+                                   GetCurrentDexCompilationUnit(),
+                                   ifield_lowering_infos_.data(),
+                                   ifield_pos);
   }
 
   if (sfield_pos != max_refs) {