src/tint/lang/core/ir/next_iteration.cc

// Copyright 2023 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "src/tint/lang/core/ir/next_iteration.h"

#include <utility>

#include "src/tint/lang/core/ir/clone_context.h"
#include "src/tint/lang/core/ir/loop.h"
#include "src/tint/lang/core/ir/module.h"
#include "src/tint/lang/core/ir/multi_in_block.h"
#include "src/tint/utils/ice/ice.h"

TINT_INSTANTIATE_TYPEINFO(tint::core::ir::NextIteration);

namespace tint::core::ir {

NextIteration::NextIteration(ir::Loop* loop, VectorRef<Value*> args /* = tint::Empty */)
    : loop_(loop) {
    TINT_ASSERT(loop_);

    AddOperands(NextIteration::kArgsOperandOffset, std::move(args));

    if (loop_) {
        loop_->Body()->AddInboundSiblingBranch(this);
    }
}

NextIteration::~NextIteration() = default;

NextIteration* NextIteration::Clone(CloneContext& ctx) {
    auto* new_loop = ctx.Clone(loop_);
    auto args = ctx.Remap<NextIteration::kDefaultNumOperands>(Args());
    return ctx.ir.instructions.Create<NextIteration>(new_loop, args);
}

}  // namespace tint::core::ir