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

// Copyright 2023 The Dawn & Tint Authors
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#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.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