Invoke typed arraycopy for primitive arrays.

Apps will always call the Object version of arraycopy. When
we can infer the types of the passed arrays, replace the method
being called to be the typed System.arraycopy one.

10% improvement on ExoPlayerBench.

Test: 641-checker-arraycopy
bug: 7103825
Change-Id: I872d7a6e163a4614510ef04ae582eb90ec48b5fa

1 files changed, 7 insertions, 5 deletions

diff --git a/compiler/optimizing/sharpening.h b/compiler/optimizing/sharpening.h
index 4240b2f339..10707c796f 100644
--- a/compiler/optimizing/sharpening.h
+++ b/compiler/optimizing/sharpening.h
@@ -48,14 +48,16 @@ class HSharpening : public HOptimization {
   static constexpr const char* kSharpeningPassName = "sharpening";
 
   // Used by the builder and the inliner.
-  static HLoadClass::LoadKind SharpenClass(HLoadClass* load_class,
-                                           CodeGenerator* codegen,
-                                           CompilerDriver* compiler_driver,
-                                           const DexCompilationUnit& dex_compilation_unit)
+  static HLoadClass::LoadKind ComputeLoadClassKind(HLoadClass* load_class,
+                                                   CodeGenerator* codegen,
+                                                   CompilerDriver* compiler_driver,
+                                                   const DexCompilationUnit& dex_compilation_unit)
     REQUIRES_SHARED(Locks::mutator_lock_);
 
+  // Used by Sharpening and InstructionSimplifier.
+  static void SharpenInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke, CodeGenerator* codegen);
+
  private:
-  void ProcessInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke);
   void ProcessLoadString(HLoadString* load_string);
 
   CodeGenerator* codegen_;