1 //===- AMDGPUMemoryUtils.h - Memory related helper functions -*- C++ -*----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUMEMORYUTILS_H 10 #define LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUMEMORYUTILS_H 11 12 namespace llvm { 13 14 struct Align; 15 class AAResults; 16 class DataLayout; 17 class GlobalVariable; 18 class LoadInst; 19 class MemoryDef; 20 class MemorySSA; 21 class Value; 22 23 namespace AMDGPU { 24 25 Align getAlign(DataLayout const &DL, const GlobalVariable *GV); 26 27 bool isDynamicLDS(const GlobalVariable &GV); 28 bool isLDSVariableToLower(const GlobalVariable &GV); 29 30 /// Given a \p Def clobbering a load from \p Ptr according to the MSSA check 31 /// if this is actually a memory update or an artificial clobber to facilitate 32 /// ordering constraints. 33 bool isReallyAClobber(const Value *Ptr, MemoryDef *Def, AAResults *AA); 34 35 /// Check is a \p Load is clobbered in its function. 36 bool isClobberedInFunction(const LoadInst *Load, MemorySSA *MSSA, 37 AAResults *AA); 38 39 } // end namespace AMDGPU 40 41 } // end namespace llvm 42 43 #endif // LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUMEMORYUTILS_H 44