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 | |