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.
23     uint32_t VGPRBlocks = 0;
24     uint32_t SGPRBlocks = 0;
25     uint32_t Priority = 0;
26     uint32_t FloatMode = 0;
27     uint32_t Priv = 0;
28     uint32_t DX10Clamp = 0;
29     uint32_t DebugMode = 0;
30     uint32_t IEEEMode = 0;
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.
38     uint32_t LDSBlocks = 0;
39     uint32_t ScratchBlocks = 0;
40 
41     uint64_t ComputePGMRSrc2 = 0;
42 
43     uint32_t NumVGPR = 0;
44     uint32_t NumArchVGPR = 0;
45     uint32_t NumAccVGPR = 0;
46     uint32_t NumSGPR = 0;
47     uint32_t LDSSize = 0;
48     bool FlatUsed = false;
49 
50     // Number of SGPRs that meets number of waves per execution unit request.
51     uint32_t NumSGPRsForWavesPerEU = 0;
52 
53     // Number of VGPRs that meets number of waves per execution unit request.
54     uint32_t NumVGPRsForWavesPerEU = 0;
55 
56     // Final occupancy.
57     uint32_t Occupancy = 0;
58 
59     // Whether there is recursion, dynamic allocas, indirect calls or some other
60     // reason there may be statically unknown stack usage.
61     bool DynamicCallStack = false;
62 
63     // Bonus information for debugging.
64     bool VCCUsed = false;
65 
66     SIProgramInfo() = default;
67 };
68 
69 } // namespace llvm
70 
71 #endif // LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H
72