pineapple-src/externals/sirit/src/instructions/flow.cpp
2020-12-28 15:15:37 +00:00

83 lines
2.4 KiB
C++
Executable file

/* This file is part of the sirit project.
* Copyright (c) 2019 sirit
* This software may be used and distributed according to the terms of the
* 3-Clause BSD License
*/
#include <cassert>
#include <vector>
#include "common_types.h"
#include "op.h"
#include "sirit/sirit.h"
namespace Sirit {
Id Module::OpLoopMerge(Id merge_block, Id continue_target, spv::LoopControlMask loop_control,
const std::vector<Id>& literals) {
auto op{std::make_unique<Op>(spv::Op::OpLoopMerge)};
op->Add(merge_block);
op->Add(continue_target);
op->Add(static_cast<u32>(loop_control));
op->Add(literals);
return AddCode(std::move(op));
}
Id Module::OpSelectionMerge(Id merge_block, spv::SelectionControlMask selection_control) {
auto op{std::make_unique<Op>(spv::Op::OpSelectionMerge)};
op->Add(merge_block);
op->Add(static_cast<u32>(selection_control));
return AddCode(std::move(op));
}
Id Module::OpLabel() {
return code_store.emplace_back(std::make_unique<Op>(spv::Op::OpLabel, bound++)).get();
}
Id Module::OpBranch(Id target_label) {
auto op{std::make_unique<Op>(spv::Op::OpBranch)};
op->Add(target_label);
return AddCode(std::move(op));
}
Id Module::OpBranchConditional(Id condition, Id true_label, Id false_label, u32 true_weight,
u32 false_weight) {
auto op{std::make_unique<Op>(spv::Op::OpBranchConditional)};
op->Add(condition);
op->Add(true_label);
op->Add(false_label);
if (true_weight != 0 || false_weight != 0) {
op->Add(true_weight);
op->Add(false_weight);
}
return AddCode(std::move(op));
}
Id Module::OpSwitch(Id selector, Id default_label, const std::vector<Literal>& literals,
const std::vector<Id>& labels) {
const std::size_t size = literals.size();
assert(literals.size() == labels.size());
auto op{std::make_unique<Op>(spv::Op::OpSwitch)};
op->Add(selector);
op->Add(default_label);
for (std::size_t i = 0; i < size; ++i) {
op->Add(literals[i]);
op->Add(labels[i]);
}
return AddCode(std::move(op));
}
Id Module::OpReturn() {
return AddCode(spv::Op::OpReturn);
}
Id Module::OpReturnValue(Id value) {
auto op{std::make_unique<Op>(spv::Op::OpReturnValue)};
op->Add(value);
return AddCode(std::move(op));
}
Id Module::OpKill() {
return AddCode(std::make_unique<Op>(spv::Op::OpKill));
}
} // namespace Sirit