| /* |
| * Copyright 2017, The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| namespace llvm { |
| class Function; |
| } |
| |
| namespace slang { |
| |
| // Remove any readnone/readonly attributes from function parameters, |
| // and remove any argmemonly attributes from functions. |
| // |
| // Jellybean's LLVM version didn't support readnone/readonly as anything |
| // other than function attributes, so it will fail verification otherwise. |
| // Since we never ran the verifier in Jellybean, it ends up with potential |
| // crashes deeper in CodeGen. |
| // |
| // Similarly, older LLVM versions don't support argmemonly as a function |
| // attribute, and so it can trigger an llvm_unreachable assertion when |
| // we attempt to write out bitcode. |
| bool stripUnknownAttributes(llvm::Function &F); |
| |
| } // namespace slang |
