blob: 3b5858457aa149204f1efe1fc020ea3ea6b6c053 [file] [log] [blame]
// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/core/ir/continue.h"
#include <utility>
#include "src/tint/lang/core/ir/block.h"
#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::Continue);
namespace tint::core::ir {
Continue::Continue() = default;
Continue::Continue(ir::Loop* loop, VectorRef<Value*> args) : loop_(loop) {
TINT_ASSERT(loop_);
AddOperands(Continue::kArgsOperandOffset, std::move(args));
if (loop_) {
loop_->Continuing()->AddInboundSiblingBranch(this);
}
}
Continue::~Continue() = default;
Continue* Continue::Clone(CloneContext& ctx) {
auto* loop = ctx.Remap(Loop());
auto args = ctx.Remap<Continue::kDefaultNumOperands>(Args());
return ctx.ir.allocators.instructions.Create<Continue>(loop, args);
}
void Continue::SetLoop(ir::Loop* loop) {
if (loop_ && loop_->Body()) {
loop_->Body()->RemoveInboundSiblingBranch(this);
}
loop_ = loop;
if (loop) {
loop->Body()->AddInboundSiblingBranch(this);
}
}
} // namespace tint::core::ir