src/tint/lang/core/constant/splat.cc

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#include "src/tint/lang/core/constant/splat.h"

#include "src/tint/lang/core/constant/manager.h"

TINT_INSTANTIATE_TYPEINFO(tint::core::constant::Splat);

namespace tint::core::constant {

namespace {

/// Asserts that the element type of @p in_type matches the type of @p value, and that the type has
/// at least one element.
/// @returns the number of elements in @p in_type
inline size_t GetCountAndAssertType(const core::type::Type* in_type, const constant::Value* value) {
    auto elements = in_type->Elements();
    TINT_ASSERT(!elements.type || elements.type == value->Type());
    TINT_ASSERT(elements.count > 0);
    return elements.count;
}

}  // namespace

Splat::Splat(const core::type::Type* t, const constant::Value* e)
    : type(t), el(e), count(GetCountAndAssertType(t, e)) {}

Splat::~Splat() = default;

const Splat* Splat::Clone(CloneContext& ctx) const {
    auto* ty = type->Clone(ctx.type_ctx);
    auto* element = el->Clone(ctx);
    return ctx.dst.Splat(ty, element);
}

}  // namespace tint::core::constant