SPIRV-Tools/source/opt/build_module.cpp
David Neto 2c458414c0
BuildModule: optionally avoid adding new OpLine instructions (#4033)
* BuildModule: optionally avoid adding new OpLine instructions

Fixes #4029 for my use case

* Fix formatting

* Create last_line_inst_ only if doing extra line tracking
2020-11-25 14:54:32 -05:00

89 lines
3.3 KiB
C++

// 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 "source/opt/build_module.h"
#include <utility>
#include <vector>
#include "source/opt/ir_context.h"
#include "source/opt/ir_loader.h"
#include "source/table.h"
#include "source/util/make_unique.h"
namespace spvtools {
namespace {
// Sets the module header for IrLoader. Meets the interface requirement of
// spvBinaryParse().
spv_result_t SetSpvHeader(void* builder, spv_endianness_t, uint32_t magic,
uint32_t version, uint32_t generator,
uint32_t id_bound, uint32_t reserved) {
reinterpret_cast<opt::IrLoader*>(builder)->SetModuleHeader(
magic, version, generator, id_bound, reserved);
return SPV_SUCCESS;
}
// Processes a parsed instruction for IrLoader. Meets the interface requirement
// of spvBinaryParse().
spv_result_t SetSpvInst(void* builder, const spv_parsed_instruction_t* inst) {
if (reinterpret_cast<opt::IrLoader*>(builder)->AddInstruction(inst)) {
return SPV_SUCCESS;
}
return SPV_ERROR_INVALID_BINARY;
}
} // namespace
std::unique_ptr<opt::IRContext> BuildModule(spv_target_env env,
MessageConsumer consumer,
const uint32_t* binary,
const size_t size) {
return BuildModule(env, consumer, binary, size, true);
}
std::unique_ptr<opt::IRContext> BuildModule(spv_target_env env,
MessageConsumer consumer,
const uint32_t* binary,
const size_t size,
bool extra_line_tracking) {
auto context = spvContextCreate(env);
SetContextMessageConsumer(context, consumer);
auto irContext = MakeUnique<opt::IRContext>(env, consumer);
opt::IrLoader loader(consumer, irContext->module());
loader.SetExtraLineTracking(extra_line_tracking);
spv_result_t status = spvBinaryParse(context, &loader, binary, size,
SetSpvHeader, SetSpvInst, nullptr);
loader.EndModule();
spvContextDestroy(context);
return status == SPV_SUCCESS ? std::move(irContext) : nullptr;
}
std::unique_ptr<opt::IRContext> BuildModule(spv_target_env env,
MessageConsumer consumer,
const std::string& text,
uint32_t assemble_options) {
SpirvTools t(env);
t.SetMessageConsumer(consumer);
std::vector<uint32_t> binary;
if (!t.Assemble(text, &binary, assemble_options)) return nullptr;
return BuildModule(env, consumer, binary.data(), binary.size());
}
} // namespace spvtools