commit a807780b1d8ee01dfb03923c673621b4c81ac858
author Mathieu Chartier <mathieuc@google.com> Wed Mar 16 19:08:31 2016 -0700
committer Mathieu Chartier <mathieuc@google.com> Fri Mar 18 15:21:08 2016 -0700
tree ef7485dca9ad8375559524d74b7c4971d6f088fa
parent 895375bb30716a488bf7b8234e900d1e15de1d21

Add verify-profile compiler filter

Only verifies and dex2dex compiles classes in the profile. Goal
is to reduce application launch time.

~2x faster than interpret-only for Facebook.

Bug: 27688727

(cherry picked from commit a079e3aa62cceb76c1c1811e6e09bcaf75e20289)

Change-Id: Iad5aa1adee3aa6c2408820e8cbbab2d4412021b8

compiler/driver/compiler_options.h

diff --git a/compiler/driver/compiler_options.h b/compiler/driver/compiler_options.h
index fbfa7c8..59698af 100644
--- a/compiler/driver/compiler_options.h
+++ b/compiler/driver/compiler_options.h
@@ -39,6 +39,7 @@
     kSpeed,               // Maximize runtime performance.
     kEverything,          // Force compilation of everything capable of being compiled.
     kTime,                // Compile methods, but minimize compilation time.
+    kVerifyProfile,       // Verify only the classes in the profile.
   };
 
   // Guide heuristics to determine whether to compile method if profile data not available.
@@ -102,13 +103,14 @@
 
   bool IsCompilationEnabled() const {
     return compiler_filter_ != CompilerOptions::kVerifyNone &&
-        compiler_filter_ != CompilerOptions::kInterpretOnly &&
-        compiler_filter_ != CompilerOptions::kVerifyAtRuntime;
+           compiler_filter_ != CompilerOptions::kInterpretOnly &&
+           compiler_filter_ != CompilerOptions::kVerifyAtRuntime &&
+           compiler_filter_ != CompilerOptions::kVerifyProfile;
   }
 
   bool IsVerificationEnabled() const {
     return compiler_filter_ != CompilerOptions::kVerifyNone &&
-        compiler_filter_ != CompilerOptions::kVerifyAtRuntime;
+           compiler_filter_ != CompilerOptions::kVerifyAtRuntime;
   }
 
   bool NeverVerify() const {
@@ -119,6 +121,10 @@
     return compiler_filter_ == CompilerOptions::kVerifyAtRuntime;
   }
 
+  bool VerifyOnlyProfile() const {
+    return compiler_filter_ == CompilerOptions::kVerifyProfile;
+  }
+
   size_t GetHugeMethodThreshold() const {
     return huge_method_threshold_;
   }