mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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103 lines
3.7 KiB
C++
103 lines
3.7 KiB
C++
// Copyright (c) 2016 Google 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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#ifndef LIBSPIRV_OPT_CONSTRUCTS_H_
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#define LIBSPIRV_OPT_CONSTRUCTS_H_
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#include <functional>
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#include <memory>
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#include <utility>
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#include <vector>
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#include "basic_block.h"
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#include "instruction.h"
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#include "iterator.h"
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namespace spvtools {
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namespace ir {
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class Module;
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// A SPIR-V function.
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class Function {
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public:
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using iterator = UptrVectorIterator<BasicBlock>;
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using const_iterator = UptrVectorIterator<BasicBlock, true>;
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// Creates a function instance declared by the given OpFunction instruction
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// |def_inst|.
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inline explicit Function(std::unique_ptr<Instruction> def_inst);
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// Sets the enclosing module for this function.
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void SetParent(Module* module) { module_ = module; }
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// Appends a parameter to this function.
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inline void AddParameter(std::unique_ptr<Instruction> p);
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// Appends a basic block to this function.
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inline void AddBasicBlock(std::unique_ptr<BasicBlock> b);
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iterator begin() { return iterator(&blocks_, blocks_.begin()); }
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iterator end() { return iterator(&blocks_, blocks_.end()); }
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const_iterator cbegin() { return const_iterator(&blocks_, blocks_.cbegin()); }
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const_iterator cend() { return const_iterator(&blocks_, blocks_.cend()); }
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// Runs the given function |f| on each instruction in this basic block.
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void ForEachInst(const std::function<void(Instruction*)>& f);
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// Pushes the binary segments for this instruction into the back of *|binary|.
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// If |skip_nop| is true and this is a OpNop, do nothing.
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void ToBinary(std::vector<uint32_t>* binary, bool skip_nop) const;
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private:
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// The enclosing module.
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Module* module_;
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// The OpFunction instruction that begins the definition of this function.
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std::unique_ptr<Instruction> def_inst_;
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// All parameters to this function.
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std::vector<std::unique_ptr<Instruction>> params_;
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// All basic blocks inside this function.
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std::vector<std::unique_ptr<BasicBlock>> blocks_;
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// The OpFunctionEnd instruction.
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Instruction end_inst_;
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};
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inline Function::Function(std::unique_ptr<Instruction> def_inst)
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: module_(nullptr),
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def_inst_(std::move(def_inst)),
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end_inst_(SpvOpFunctionEnd) {}
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inline void Function::AddParameter(std::unique_ptr<Instruction> p) {
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params_.emplace_back(std::move(p));
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}
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inline void Function::AddBasicBlock(std::unique_ptr<BasicBlock> b) {
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blocks_.emplace_back(std::move(b));
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}
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} // namespace ir
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} // namespace spvtools
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#endif // LIBSPIRV_OPT_CONSTRUCTS_H_
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