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/*
* 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 "dex_instruction.h"
namespace llvm {
class Module;
class LLVMContext;
}
namespace art {
namespace llvm {
class IntrinsicHelper;
class IRBuilder;
}
/*
* 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,
kPromoteRegs,
kTrackLiveTemps,
kSafeOptimizations,
kBBOpt,
kMatch,
kPromoteCompilerTemps,
kBranchFusing,
};
// 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,
};
class LLVMInfo {
public:
LLVMInfo();
~LLVMInfo();
::llvm::LLVMContext* GetLLVMContext() {
return llvm_context_.get();
}
::llvm::Module* GetLLVMModule() {
return llvm_module_;
}
art::llvm::IntrinsicHelper* GetIntrinsicHelper() {
return intrinsic_helper_.get();
}
art::llvm::IRBuilder* GetIRBuilder() {
return ir_builder_.get();
}
private:
UniquePtr< ::llvm::LLVMContext> llvm_context_;
::llvm::Module* llvm_module_; // Managed by context_.
UniquePtr<art::llvm::IntrinsicHelper> intrinsic_helper_;
UniquePtr<art::llvm::IRBuilder> ir_builder_;
};
struct CompilationUnit;
struct BasicBlock;
} // namespace art
extern "C" art::CompiledMethod* ArtCompileMethod(art::CompilerDriver& driver,
const art::DexFile::CodeItem* code_item,
uint32_t access_flags,
art::InvokeType invoke_type,
uint16_t class_def_idx,
uint32_t method_idx,
jobject class_loader,
const art::DexFile& dex_file);
#endif // ART_COMPILER_DEX_FRONTEND_H_