mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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f61db0bcc6
Skip structured control flow chekcs for non-shader capability. Fix infinite loop in dominator algorithm when there's an unreachable block.
77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
// Copyright (c) 2015-2016 The Khronos Group Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and/or associated documentation files (the
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// "Materials"), to deal in the Materials without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Materials, and to
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// permit persons to whom the Materials are furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Materials.
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//
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
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// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
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// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
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// https://www.khronos.org/registry/
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//
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// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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#include "val/Construct.h"
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#include <cassert>
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#include <cstddef>
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namespace libspirv {
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Construct::Construct(ConstructType type, BasicBlock* entry,
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BasicBlock* exit, std::vector<Construct*> constructs)
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: type_(type),
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corresponding_constructs_(constructs),
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entry_block_(entry),
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exit_block_(exit) {}
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ConstructType Construct::get_type() const { return type_; }
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const std::vector<Construct*>& Construct::get_corresponding_constructs() const {
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return corresponding_constructs_;
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}
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std::vector<Construct*>& Construct::get_corresponding_constructs() {
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return corresponding_constructs_;
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}
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bool ValidateConstructSize(ConstructType type, size_t size) {
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switch (type) {
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case ConstructType::kSelection: return size == 0;
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case ConstructType::kContinue: return size == 1;
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case ConstructType::kLoop: return size == 1;
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case ConstructType::kCase: return size >= 1;
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default: assert(1 == 0 && "Type not defined");
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}
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return false;
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}
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void Construct::set_corresponding_constructs(
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std::vector<Construct*> constructs) {
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assert(ValidateConstructSize(type_, constructs.size()));
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corresponding_constructs_ = constructs;
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}
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const BasicBlock* Construct::get_entry() const { return entry_block_; }
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BasicBlock* Construct::get_entry() { return entry_block_; }
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const BasicBlock* Construct::get_exit() const { return exit_block_; }
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BasicBlock* Construct::get_exit() { return exit_block_; }
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void Construct::set_exit(BasicBlock* exit_block) {
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exit_block_ = exit_block;
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}
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} /// namespace libspirv
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