LLVM  10.0.0svn
SIProgramInfo.h
Go to the documentation of this file.
1 //===--- SIProgramInfo.h ----------------------------------------*- 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 /// \file
10 /// Defines struct to track resource usage for kernels and entry functions.
11 ///
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H
16 #define LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H
17 
18 namespace llvm {
19 
20 /// Track resource usage for kernels / entry functions.
21 struct SIProgramInfo {
22  // Fields set in PGM_RSRC1 pm4 packet.
31  uint32_t WgpMode = 0; // GFX10+
32  uint32_t MemOrdered = 0; // GFX10+
33  uint64_t ScratchSize = 0;
34 
35  uint64_t ComputePGMRSrc1 = 0;
36 
37  // Fields set in PGM_RSRC2 pm4 packet.
40 
41  uint64_t ComputePGMRSrc2 = 0;
42 
46  bool FlatUsed = false;
47 
48  // Number of SGPRs that meets number of waves per execution unit request.
50 
51  // Number of VGPRs that meets number of waves per execution unit request.
53 
54  // Final occupancy.
56 
57  // Whether there is recursion, dynamic allocas, indirect calls or some other
58  // reason there may be statically unknown stack usage.
59  bool DynamicCallStack = false;
60 
61  // Bonus information for debugging.
62  bool VCCUsed = false;
63 
64  SIProgramInfo() = default;
65 };
66 
67 } // namespace llvm
68 
69 #endif // LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23
uint32_t NumSGPRsForWavesPerEU
Definition: SIProgramInfo.h:49
Track resource usage for kernels / entry functions.
Definition: SIProgramInfo.h:21
uint64_t ComputePGMRSrc2
Definition: SIProgramInfo.h:41
uint32_t NumVGPRsForWavesPerEU
Definition: SIProgramInfo.h:52
SIProgramInfo()=default
uint64_t ComputePGMRSrc1
Definition: SIProgramInfo.h:35