118 lines
3.6 KiB
C++
118 lines
3.6 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "md_builder.h"
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#include "llvm/IR/MDBuilder.h"
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#include <string>
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namespace art {
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namespace llvm {
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::llvm::MDNode* MDBuilder::GetTBAASpecialType(TBAASpecialType sty_id) {
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DCHECK_GE(sty_id, 0) << "Unknown TBAA special type: " << sty_id;
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DCHECK_LT(sty_id, MAX_TBAA_SPECIAL_TYPE) << "Unknown TBAA special type: " << sty_id;
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DCHECK(tbaa_root_ != NULL);
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::llvm::MDNode*& spec_ty = tbaa_special_type_[sty_id];
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if (spec_ty == NULL) {
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switch (sty_id) {
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case kTBAARegister:
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spec_ty = createTBAANode("Register", tbaa_root_);
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break;
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case kTBAAStackTemp:
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spec_ty = createTBAANode("StackTemp", tbaa_root_);
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break;
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case kTBAAHeapArray:
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spec_ty = createTBAANode("HeapArray", tbaa_root_);
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break;
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case kTBAAHeapInstance:
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spec_ty = createTBAANode("HeapInstance", tbaa_root_);
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break;
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case kTBAAHeapStatic:
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spec_ty = createTBAANode("HeapStatic", tbaa_root_);
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break;
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case kTBAAJRuntime:
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spec_ty = createTBAANode("JRuntime", tbaa_root_);
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break;
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case kTBAARuntimeInfo:
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spec_ty = createTBAANode("RuntimeInfo", GetTBAASpecialType(kTBAAJRuntime));
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break;
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case kTBAAShadowFrame:
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spec_ty = createTBAANode("ShadowFrame", GetTBAASpecialType(kTBAAJRuntime));
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break;
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case kTBAAConstJObject:
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spec_ty = createTBAANode("ConstJObject", tbaa_root_, true);
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break;
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default:
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LOG(FATAL) << "Unknown TBAA special type: " << sty_id;
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break;
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}
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}
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return spec_ty;
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}
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::llvm::MDNode* MDBuilder::GetTBAAMemoryJType(TBAASpecialType sty_id, JType jty_id) {
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DCHECK(sty_id == kTBAAHeapArray ||
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sty_id == kTBAAHeapInstance ||
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sty_id == kTBAAHeapStatic) << "SpecialType must be array, instance, or static";
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DCHECK_GE(jty_id, 0) << "Unknown JType: " << jty_id;
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DCHECK_LT(jty_id, MAX_JTYPE) << "Unknown JType: " << jty_id;
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DCHECK_NE(jty_id, kVoid) << "Can't load/store Void type!";
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std::string name;
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size_t sty_mapped_index = 0;
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switch (sty_id) {
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case kTBAAHeapArray: sty_mapped_index = 0; name = "HeapArray "; break;
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case kTBAAHeapInstance: sty_mapped_index = 1; name = "HeapInstance "; break;
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case kTBAAHeapStatic: sty_mapped_index = 2; name = "HeapStatic "; break;
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default:
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LOG(FATAL) << "Unknown TBAA special type: " << sty_id;
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break;
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}
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::llvm::MDNode*& spec_ty = tbaa_memory_jtype_[sty_mapped_index][jty_id];
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if (spec_ty != NULL) {
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return spec_ty;
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}
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switch (jty_id) {
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case kBoolean: name += "Boolean"; break;
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case kByte: name += "Byte"; break;
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case kChar: name += "Char"; break;
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case kShort: name += "Short"; break;
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case kInt: name += "Int"; break;
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case kLong: name += "Long"; break;
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case kFloat: name += "Float"; break;
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case kDouble: name += "Double"; break;
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case kObject: name += "Object"; break;
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default:
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LOG(FATAL) << "Unknown JType: " << jty_id;
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break;
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}
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spec_ty = createTBAANode(name, GetTBAASpecialType(sty_id));
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return spec_ty;
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}
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} // namespace llvm
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} // namespace art
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