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

// Copyright 2024 The Dawn & Tint Authors
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#include "src/tint/lang/core/ir/override.h"

#include "src/tint/lang/core/ir/clone_context.h"
#include "src/tint/lang/core/ir/module.h"
#include "src/tint/lang/core/ir/store.h"
#include "src/tint/lang/core/type/pointer.h"
#include "src/tint/utils/ice/ice.h"

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

namespace tint::core::ir {

Override::Override(Id id) : Base(id) {}

Override::Override(Id id, InstructionResult* result) : Base(id) {
    // Default to no initializer.
    AddOperand(Override::kInitializerOperandOffset, nullptr);
    AddResult(result);
}

Override::~Override() = default;

void Override::SetInitializer(Value* initializer) {
    SetOperand(Override::kInitializerOperandOffset, initializer);
}

Override* Override::Clone(CloneContext& ctx) {
    auto* new_result = ctx.Clone(Result(0));
    TINT_ASSERT(new_result);

    auto* new_override = ctx.ir.CreateInstruction<Override>(new_result);

    new_override->id_ = id_;

    if (auto* init = Initializer()) {
        new_override->SetInitializer(ctx.Clone(init));
    }
    new_override->SetOverrideId(override_id_);

    auto name = ctx.ir.NameOf(this);
    if (name.IsValid()) {
        ctx.ir.SetName(new_override, name.Name());
    }
    return new_override;
}

}  // namespace tint::core::ir