lib/Target/AMDGPU/SIProgramInfo.h

   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 NumSGPR = 0;
  45     uint32_t LDSSize = 0;
  46     bool FlatUsed = false;
  47
  48     // Number of SGPRs that meets number of waves per execution unit request.
  49     uint32_t NumSGPRsForWavesPerEU = 0;
  50
  51     // Number of VGPRs that meets number of waves per execution unit request.
  52     uint32_t NumVGPRsForWavesPerEU = 0;
  53
  54     // Final occupancy.
  55     uint32_t Occupancy = 0;
  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