sirit/src/insts/flow.cpp

/* This file is part of the sirit project.
 * Copyright (c) 2018 ReinUsesLisp
 * This software may be used and distributed according to the terms of the GNU
 * Lesser General Public License version 2.1 or any later version.
 */

#include "common_types.h"
#include "op.h"
#include "sirit/sirit.h"
#include <vector>

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 AddCode(spv::Op::OpLabel, bound++); }

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::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));
}

} // namespace Sirit