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// Copyright (c) 2016 Google Inc.
//
// 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 "module.h"
#include <algorithm>
#include <cstring>
#include "operand.h"
#include "reflect.h"
namespace spvtools {
namespace ir {
std::vector<Instruction*> Module::GetTypes() {
std::vector<Instruction*> type_insts;
for (auto& inst : types_values_) {
if (IsTypeInst(inst.opcode())) type_insts.push_back(&inst);
}
return type_insts;
};
std::vector<const Instruction*> Module::GetTypes() const {
std::vector<const Instruction*> type_insts;
for (auto& inst : types_values_) {
if (IsTypeInst(inst.opcode())) type_insts.push_back(&inst);
}
return type_insts;
};
std::vector<Instruction*> Module::GetConstants() {
std::vector<Instruction*> const_insts;
for (auto& inst : types_values_) {
if (IsConstantInst(inst.opcode())) const_insts.push_back(&inst);
}
return const_insts;
};
std::vector<const Instruction*> Module::GetConstants() const {
std::vector<const Instruction*> const_insts;
for (auto& inst : types_values_) {
if (IsConstantInst(inst.opcode())) const_insts.push_back(&inst);
}
return const_insts;
};
uint32_t Module::GetGlobalValue(SpvOp opcode) const {
for (auto& inst : types_values_) {
if (inst.opcode() == opcode) return inst.result_id();
}
return 0;
}
void Module::AddGlobalValue(SpvOp opcode, uint32_t result_id,
uint32_t type_id) {
std::unique_ptr<ir::Instruction> newGlobal(
new ir::Instruction(opcode, type_id, result_id, {}));
AddGlobalValue(std::move(newGlobal));
}
void Module::ForEachInst(const std::function<void(Instruction*)>& f,
bool run_on_debug_line_insts) {
#define DELEGATE(i) i.ForEachInst(f, run_on_debug_line_insts)
for (auto& i : capabilities_) DELEGATE(i);
for (auto& i : extensions_) DELEGATE(i);
for (auto& i : ext_inst_imports_) DELEGATE(i);
if (memory_model_) memory_model_->ForEachInst(f, run_on_debug_line_insts);
for (auto& i : entry_points_) DELEGATE(i);
for (auto& i : execution_modes_) DELEGATE(i);
for (auto& i : debugs1_) DELEGATE(i);
for (auto& i : debugs2_) DELEGATE(i);
for (auto& i : debugs3_) DELEGATE(i);
for (auto& i : annotations_) DELEGATE(i);
for (auto& i : types_values_) DELEGATE(i);
for (auto& i : functions_) i->ForEachInst(f, run_on_debug_line_insts);
#undef DELEGATE
}
void Module::ForEachInst(const std::function<void(const Instruction*)>& f,
bool run_on_debug_line_insts) const {
#define DELEGATE(i) i.ForEachInst(f, run_on_debug_line_insts)
for (auto& i : capabilities_) DELEGATE(i);
for (auto& i : extensions_) DELEGATE(i);
for (auto& i : ext_inst_imports_) DELEGATE(i);
if (memory_model_)
static_cast<const Instruction*>(memory_model_.get())
->ForEachInst(f, run_on_debug_line_insts);
for (auto& i : entry_points_) DELEGATE(i);
for (auto& i : execution_modes_) DELEGATE(i);
for (auto& i : debugs1_) DELEGATE(i);
for (auto& i : debugs2_) DELEGATE(i);
for (auto& i : debugs3_) DELEGATE(i);
for (auto& i : annotations_) DELEGATE(i);
for (auto& i : types_values_) DELEGATE(i);
for (auto& i : functions_) {
static_cast<const Function*>(i.get())->ForEachInst(f,
run_on_debug_line_insts);
}
#undef DELEGATE
}
void Module::ToBinary(std::vector<uint32_t>* binary, bool skip_nop) const {
binary->push_back(header_.magic_number);
binary->push_back(header_.version);
// TODO(antiagainst): should we change the generator number?
binary->push_back(header_.generator);
binary->push_back(header_.bound);
binary->push_back(header_.reserved);
auto write_inst = [binary, skip_nop](const Instruction* i) {
if (!(skip_nop && i->IsNop())) i->ToBinaryWithoutAttachedDebugInsts(binary);
};
ForEachInst(write_inst, true);
}
uint32_t Module::ComputeIdBound() const {
uint32_t highest = 0;
ForEachInst(
[&highest](const Instruction* inst) {
for (const auto& operand : *inst) {
if (spvIsIdType(operand.type)) {
highest = std::max(highest, operand.words[0]);
}
}
},
true /* scan debug line insts as well */);
return highest + 1;
}
bool Module::HasCapability(uint32_t cap) {
for (auto& ci : capabilities_) {
uint32_t tcap = ci.GetSingleWordOperand(0);
if (tcap == cap) {
return true;
}
}
return false;
}
uint32_t Module::GetExtInstImportId(const char* extstr) {
for (auto& ei : ext_inst_imports_)
if (!strcmp(extstr,
reinterpret_cast<const char*>(&(ei.GetInOperand(0).words[0]))))
return ei.result_id();
return 0;
}
} // namespace ir
} // namespace spvtools
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