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https://gitee.com/openharmony/third_party_spirv-tools
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05c839ca01
* PassManager: Print errors occurring during disassembly
Otherwise one could be greeted by the following text when running
spirv-opt withe the `--print-all` flag:
; IR before pass wrap-opkill
; IR before pass eliminate-dead-branches
; IR before pass merge-return
With this commit, one will instead get:
error: line 143: Invalid opcode: 400
warning: line 0: Disassembly failed before pass wrap-opkill
error: line 143: Invalid opcode: 400
warning: line 0: Disassembly failed before pass eliminate-dead-branches
error: line 143: Invalid opcode: 400
warning: line 0: Disassembly failed before pass merge-return
* PassManager: Use the right target environment when disassembling
Disassembly would fail if features from a newer version of SPIR-V than
1.2 were used.
94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
// Copyright (c) 2016 Google Inc.
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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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#include "source/opt/pass_manager.h"
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#include <iostream>
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#include <string>
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#include <vector>
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#include "source/opt/ir_context.h"
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#include "source/util/timer.h"
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#include "spirv-tools/libspirv.hpp"
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namespace spvtools {
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namespace opt {
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Pass::Status PassManager::Run(IRContext* context) {
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auto status = Pass::Status::SuccessWithoutChange;
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// If print_all_stream_ is not null, prints the disassembly of the module
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// to that stream, with the given preamble and optionally the pass name.
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auto print_disassembly = [&context, this](const char* preamble, Pass* pass) {
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if (print_all_stream_) {
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std::vector<uint32_t> binary;
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context->module()->ToBinary(&binary, false);
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SpirvTools t(target_env_);
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t.SetMessageConsumer(consumer());
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std::string disassembly;
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std::string pass_name = (pass ? pass->name() : "");
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if (!t.Disassemble(binary, &disassembly, 0)) {
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std::string msg = "Disassembly failed before pass ";
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msg += pass_name + "\n";
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spv_position_t null_pos{0, 0, 0};
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consumer()(SPV_MSG_WARNING, "", null_pos, msg.c_str());
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return;
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}
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*print_all_stream_ << preamble << pass_name << "\n"
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<< disassembly << std::endl;
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}
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};
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SPIRV_TIMER_DESCRIPTION(time_report_stream_, /* measure_mem_usage = */ true);
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for (auto& pass : passes_) {
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print_disassembly("; IR before pass ", pass.get());
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SPIRV_TIMER_SCOPED(time_report_stream_, (pass ? pass->name() : ""), true);
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const auto one_status = pass->Run(context);
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if (one_status == Pass::Status::Failure) return one_status;
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if (one_status == Pass::Status::SuccessWithChange) status = one_status;
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if (validate_after_all_) {
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spvtools::SpirvTools tools(target_env_);
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tools.SetMessageConsumer(consumer());
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std::vector<uint32_t> binary;
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context->module()->ToBinary(&binary, true);
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if (!tools.Validate(binary.data(), binary.size(), val_options_)) {
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std::string msg = "Validation failed after pass ";
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msg += pass->name();
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spv_position_t null_pos{0, 0, 0};
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consumer()(SPV_MSG_INTERNAL_ERROR, "", null_pos, msg.c_str());
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return Pass::Status::Failure;
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}
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}
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// Reset the pass to free any memory used by the pass.
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pass.reset(nullptr);
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}
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print_disassembly("; IR after last pass", nullptr);
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// Set the Id bound in the header in case a pass forgot to do so.
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//
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// TODO(dnovillo): This should be unnecessary and automatically maintained by
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// the IRContext.
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if (status == Pass::Status::SuccessWithChange) {
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context->module()->SetIdBound(context->module()->ComputeIdBound());
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}
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passes_.clear();
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return status;
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}
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} // namespace opt
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} // namespace spvtools
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