1 /*
2 * Copyright 2017 WebAssembly Community Group participants
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef wasm_ir_literal_utils_h
18 #define wasm_ir_literal_utils_h
19
20 #include "wasm-builder.h"
21 #include "wasm.h"
22
23 namespace wasm {
24
25 namespace LiteralUtils {
26
makeFromInt32(int32_t x,Type type,Module & wasm)27 inline Expression* makeFromInt32(int32_t x, Type type, Module& wasm) {
28 auto* ret = wasm.allocator.alloc<Const>();
29 ret->value = Literal::makeFromInt32(x, type);
30 ret->type = type;
31 return ret;
32 }
33
makeZero(Type type,Module & wasm)34 inline Expression* makeZero(Type type, Module& wasm) {
35 // TODO: Remove this function once V8 supports v128.const
36 // (https://bugs.chromium.org/p/v8/issues/detail?id=8460)
37 Builder builder(wasm);
38 if (type == Type::v128) {
39 return builder.makeUnary(SplatVecI32x4, builder.makeConst(int32_t(0)));
40 }
41 return builder.makeConstantExpression(Literal::makeZeros(type));
42 }
43
44 } // namespace LiteralUtils
45
46 } // namespace wasm
47
48 #endif // wasm_ir_literal_utils_h
49