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// Copyright 2022 The Dawn & Tint Authors
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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