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/*
* Copyright 2021 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.
*/
#include "ir/intrinsics.h"
#include "wasm-builder.h"
namespace wasm {
static Name BinaryenIntrinsicsModule("binaryen-intrinsics"),
CallWithoutEffects("call.without.effects");
bool Intrinsics::isCallWithoutEffects(Function* func) {
if (func->module != BinaryenIntrinsicsModule) {
return false;
}
if (func->base == CallWithoutEffects) {
return true;
}
Fatal() << "Unrecognized intrinsic";
}
Call* Intrinsics::isCallWithoutEffects(Expression* curr) {
if (auto* call = curr->dynCast<Call>()) {
// The target function may not exist if the module is still being
// constructed.
if (auto* func = module.getFunctionOrNull(call->target)) {
if (isCallWithoutEffects(func)) {
return call;
}
}
}
return nullptr;
}
} // namespace wasm