| //===- AMDGPUMemoryUtils.h - Memory related helper functions -*- C++ -*----===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUMEMORYUTILS_H |
| #define LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUMEMORYUTILS_H |
| |
| #include <vector> |
| |
| namespace llvm { |
| |
| struct Align; |
| class AAResults; |
| class DataLayout; |
| class Function; |
| class GlobalVariable; |
| class LoadInst; |
| class MemoryDef; |
| class MemorySSA; |
| class Module; |
| class Value; |
| |
| namespace AMDGPU { |
| |
| Align getAlign(DataLayout const &DL, const GlobalVariable *GV); |
| |
| bool isLDSVariableToLower(const GlobalVariable &GV); |
| std::vector<GlobalVariable *> findLDSVariablesToLower(Module &M, |
| const Function *F); |
| |
| /// Given a \p Def clobbering a load from \p Ptr according to the MSSA check |
| /// if this is actually a memory update or an artificial clobber to facilitate |
| /// ordering constraints. |
| bool isReallyAClobber(const Value *Ptr, MemoryDef *Def, AAResults *AA); |
| |
| /// Check is a \p Load is clobbered in its function. |
| bool isClobberedInFunction(const LoadInst *Load, MemorySSA *MSSA, |
| AAResults *AA); |
| |
| } // end namespace AMDGPU |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUMEMORYUTILS_H |