SIProgramInfo.h revision 360784 
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
18namespace llvm {
19
20/// Track resource usage for kernels / entry functions.
21struct 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