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/*
* Copyright (C) 2012 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.
*/
#include "md_builder.h"
#include "llvm/IR/MDBuilder.h"
#include <string>
namespace art {
namespace llvm {
::llvm::MDNode* MDBuilder::GetTBAASpecialType(TBAASpecialType sty_id) {
DCHECK_GE(sty_id, 0) << "Unknown TBAA special type: " << sty_id;
DCHECK_LT(sty_id, MAX_TBAA_SPECIAL_TYPE) << "Unknown TBAA special type: " << sty_id;
DCHECK(tbaa_root_ != NULL);
::llvm::MDNode*& spec_ty = tbaa_special_type_[sty_id];
if (spec_ty == NULL) {
switch (sty_id) {
case kTBAARegister:
spec_ty = createTBAANode("Register", tbaa_root_);
break;
case kTBAAStackTemp:
spec_ty = createTBAANode("StackTemp", tbaa_root_);
break;
case kTBAAHeapArray:
spec_ty = createTBAANode("HeapArray", tbaa_root_);
break;
case kTBAAHeapInstance:
spec_ty = createTBAANode("HeapInstance", tbaa_root_);
break;
case kTBAAHeapStatic:
spec_ty = createTBAANode("HeapStatic", tbaa_root_);
break;
case kTBAAJRuntime:
spec_ty = createTBAANode("JRuntime", tbaa_root_);
break;
case kTBAARuntimeInfo:
spec_ty = createTBAANode("RuntimeInfo", GetTBAASpecialType(kTBAAJRuntime));
break;
case kTBAAShadowFrame:
spec_ty = createTBAANode("ShadowFrame", GetTBAASpecialType(kTBAAJRuntime));
break;
case kTBAAConstJObject:
spec_ty = createTBAANode("ConstJObject", tbaa_root_, true);
break;
default:
LOG(FATAL) << "Unknown TBAA special type: " << sty_id;
break;
}
}
return spec_ty;
}
::llvm::MDNode* MDBuilder::GetTBAAMemoryJType(TBAASpecialType sty_id, JType jty_id) {
DCHECK(sty_id == kTBAAHeapArray ||
sty_id == kTBAAHeapInstance ||
sty_id == kTBAAHeapStatic) << "SpecialType must be array, instance, or static";
DCHECK_GE(jty_id, 0) << "Unknown JType: " << jty_id;
DCHECK_LT(jty_id, MAX_JTYPE) << "Unknown JType: " << jty_id;
DCHECK_NE(jty_id, kVoid) << "Can't load/store Void type!";
std::string name;
size_t sty_mapped_index = 0;
switch (sty_id) {
case kTBAAHeapArray: sty_mapped_index = 0; name = "HeapArray "; break;
case kTBAAHeapInstance: sty_mapped_index = 1; name = "HeapInstance "; break;
case kTBAAHeapStatic: sty_mapped_index = 2; name = "HeapStatic "; break;
default:
LOG(FATAL) << "Unknown TBAA special type: " << sty_id;
break;
}
::llvm::MDNode*& spec_ty = tbaa_memory_jtype_[sty_mapped_index][jty_id];
if (spec_ty != NULL) {
return spec_ty;
}
switch (jty_id) {
case kBoolean: name += "Boolean"; break;
case kByte: name += "Byte"; break;
case kChar: name += "Char"; break;
case kShort: name += "Short"; break;
case kInt: name += "Int"; break;
case kLong: name += "Long"; break;
case kFloat: name += "Float"; break;
case kDouble: name += "Double"; break;
case kObject: name += "Object"; break;
default:
LOG(FATAL) << "Unknown JType: " << jty_id;
break;
}
spec_ty = createTBAANode(name, GetTBAASpecialType(sty_id));
return spec_ty;
}
} // namespace llvm
} // namespace art
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