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/*
* Copyright 2016 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_ast_properties_h
#define wasm_ast_properties_h
#include "wasm.h"
namespace wasm {
struct Properties {
static bool emitsBoolean(Expression* curr) {
if (auto* unary = curr->dynCast<Unary>()) {
return unary->isRelational();
} else if (auto* binary = curr->dynCast<Binary>()) {
return binary->isRelational();
}
return false;
}
static bool isSymmetric(Binary* binary) {
switch (binary->op) {
case AddInt32:
case MulInt32:
case AndInt32:
case OrInt32:
case XorInt32:
case EqInt32:
case NeInt32:
case AddInt64:
case MulInt64:
case AndInt64:
case OrInt64:
case XorInt64:
case EqInt64:
case NeInt64: return true;
default: return false;
}
}
};
} // wasm
#endif // wams_ast_properties_h
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