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/*
* Copyright 2017 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef wasm_ir_literal_utils_h
#define wasm_ir_literal_utils_h
#include "wasm-builder.h"
#include "wasm.h"
namespace wasm::LiteralUtils {
inline Expression* makeFromInt32(int32_t x, Type type, Module& wasm) {
auto* ret = wasm.allocator.alloc<Const>();
ret->value = Literal::makeFromInt32(x, type);
ret->type = type;
return ret;
}
inline bool canMakeZero(Type type) { return type.isDefaultable(); }
inline Expression* makeZero(Type type, Module& wasm) {
assert(canMakeZero(type));
// TODO: Remove this function once V8 supports v128.const
// (https://bugs.chromium.org/p/v8/issues/detail?id=8460)
Builder builder(wasm);
if (type == Type::v128) {
return builder.makeUnary(SplatVecI32x4, builder.makeConst(int32_t(0)));
}
return builder.makeConstantExpression(Literal::makeZeros(type));
}
} // namespace wasm::LiteralUtils
#endif // wasm_ir_literal_utils_h
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