1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_COMPILER_OPTIMIZING_SHARPENING_H_ 18 #define ART_COMPILER_OPTIMIZING_SHARPENING_H_ 19 20 #include "nodes.h" 21 #include "optimization.h" 22 23 namespace art { 24 25 class CodeGenerator; 26 class DexCompilationUnit; 27 28 // Utility methods that try to improve the way we dispatch methods, and access 29 // types and strings. 30 class HSharpening { 31 public: 32 // Used by the builder and InstructionSimplifier. 33 static HInvokeStaticOrDirect::DispatchInfo SharpenLoadMethod( 34 ArtMethod* callee, 35 bool has_method_id, 36 bool for_interface_call, 37 CodeGenerator* codegen); 38 39 // Used by the builder and the inliner. 40 static HLoadClass::LoadKind ComputeLoadClassKind(HLoadClass* load_class, 41 CodeGenerator* codegen, 42 const DexCompilationUnit& dex_compilation_unit) 43 REQUIRES_SHARED(Locks::mutator_lock_); 44 45 // Used by the builder. 46 static TypeCheckKind ComputeTypeCheckKind(ObjPtr<mirror::Class> klass, 47 CodeGenerator* codegen, 48 bool needs_access_check) 49 REQUIRES_SHARED(Locks::mutator_lock_); 50 51 // Used by the builder. 52 static void ProcessLoadString(HLoadString* load_string, 53 CodeGenerator* codegen, 54 const DexCompilationUnit& dex_compilation_unit, 55 VariableSizedHandleScope* handles); 56 }; 57 58 } // namespace art 59 60 #endif // ART_COMPILER_OPTIMIZING_SHARPENING_H_ 61