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/*
* Copyright 2022 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_boolean_h
#define wasm_ir_boolean_h
#include "wasm.h"
namespace wasm::Properties {
inline bool emitsBoolean(Expression* curr) {
if (auto* unary = curr->dynCast<Unary>()) {
return unary->isRelational();
} else if (auto* binary = curr->dynCast<Binary>()) {
return binary->isRelational();
} else if (curr->is<RefIsNull>() || curr->is<RefEq>() ||
curr->is<RefTest>()) {
return true;
} else if (auto* eq = curr->dynCast<StringEq>()) {
return eq->op == StringEqEqual;
}
return false;
}
} // namespace wasm::Properties
#endif // wasm_ir_boolean_h
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