compiler/dex/frontend.h

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ART_COMPILER_DEX_FRONTEND_H_
#define ART_COMPILER_DEX_FRONTEND_H_

#include "dex_file.h"
#include "invoke_type.h"

namespace art {

class CompiledMethod;
class Compiler;
class CompilerDriver;

/*
 * Assembly is an iterative process, and usually terminates within
 * two or three passes.  This should be high enough to handle bizarre
 * cases, but detect an infinite loop bug.
 */
#define MAX_ASSEMBLER_RETRIES 50

// Suppress optimization if corresponding bit set.
enum opt_control_vector {
  kLoadStoreElimination = 0,
  kLoadHoisting,
  kSuppressLoads,
  kNullCheckElimination,
  kClassInitCheckElimination,
  kGlobalValueNumbering,
  kLocalValueNumbering,
  kPromoteRegs,
  kTrackLiveTemps,
  kSafeOptimizations,
  kBBOpt,
  kSuspendCheckElimination,
  kMatch,
  kPromoteCompilerTemps,
  kBranchFusing,
  kSuppressExceptionEdges,
  kSuppressMethodInlining,
};

// Force code generation paths for testing.
enum debugControlVector {
  kDebugVerbose,
  kDebugDumpCFG,
  kDebugSlowFieldPath,
  kDebugSlowInvokePath,
  kDebugSlowStringPath,
  kDebugSlowTypePath,
  kDebugSlowestFieldPath,
  kDebugSlowestStringPath,
  kDebugExerciseResolveMethod,
  kDebugVerifyDataflow,
  kDebugShowMemoryUsage,
  kDebugShowNops,
  kDebugCountOpcodes,
  kDebugDumpCheckStats,
  kDebugDumpBitcodeFile,
  kDebugVerifyBitcode,
  kDebugShowSummaryMemoryUsage,
  kDebugShowFilterStats,
  kDebugTimings,
  kDebugCodegenDump
};

CompiledMethod* CompileOneMethod(CompilerDriver* driver,
                                 const Compiler* compiler,
                                 const DexFile::CodeItem* code_item,
                                 uint32_t access_flags,
                                 InvokeType invoke_type,
                                 uint16_t class_def_idx,
                                 uint32_t method_idx,
                                 jobject class_loader,
                                 const DexFile& dex_file,
                                 void* compilation_unit);

}  // namespace art

#endif  // ART_COMPILER_DEX_FRONTEND_H_