| // Copyright 2019 The Clspv Authors. All rights reserved. |
| // |
| // 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 "llvm/IR/GlobalVariable.h" |
| #include "llvm/IR/Module.h" |
| #include "llvm/IR/PassManager.h" |
| |
| #ifndef _CLSPV_LIB_NORMALIZE_GLOBAL_VARIABLE_H |
| #define _CLSPV_LIB_NORMALIZE_GLOBAL_VARIABLE_H |
| |
| namespace clspv { |
| |
| // Normalize global variables to remove constant expression bitcasts of the |
| // entire variable. Only considers constant address space variables. Introduces |
| // a new global variable for each case of type casting to remove the cast. |
| // Rewrites variable intializers. |
| void NormalizeGlobalVariables(llvm::Module &M); |
| |
| struct NormalizeGlobalVariablesPass |
| : llvm::OptionalPassInfoMixin<NormalizeGlobalVariablesPass> { |
| llvm::PreservedAnalyses run(llvm::Module &M, llvm::ModuleAnalysisManager &); |
| }; |
| |
| } // namespace clspv |
| |
| #endif // _CLSPV_LIB_NORMALIZE_GLOBAL_VARIABLE_H |
