llvm-project/llvm/lib/Target/AMDGPU/SIProgramInfo.h

78 lines
2.4 KiB
C++

//===--- SIProgramInfo.h ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
/// Defines struct to track resource usage for kernels and entry functions.
///
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H
#define LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H
namespace llvm {
/// Track resource usage for kernels / entry functions.
struct SIProgramInfo {
// Fields set in PGM_RSRC1 pm4 packet.
uint32_t VGPRBlocks = 0;
uint32_t SGPRBlocks = 0;
uint32_t Priority = 0;
uint32_t FloatMode = 0;
uint32_t Priv = 0;
uint32_t DX10Clamp = 0;
uint32_t DebugMode = 0;
uint32_t IEEEMode = 0;
uint64_t ScratchSize = 0;
uint64_t ComputePGMRSrc1 = 0;
// Fields set in PGM_RSRC2 pm4 packet.
uint32_t LDSBlocks = 0;
uint32_t ScratchBlocks = 0;
uint64_t ComputePGMRSrc2 = 0;
uint32_t NumVGPR = 0;
uint32_t NumSGPR = 0;
uint32_t LDSSize = 0;
bool FlatUsed = false;
// Number of SGPRs that meets number of waves per execution unit request.
uint32_t NumSGPRsForWavesPerEU = 0;
// Number of VGPRs that meets number of waves per execution unit request.
uint32_t NumVGPRsForWavesPerEU = 0;
// Fixed SGPR number used to hold wave scratch offset for entire kernel
// execution, or std::numeric_limits<uint16_t>::max() if the register is not
// used or not known.
uint16_t DebuggerWavefrontPrivateSegmentOffsetSGPR =
std::numeric_limits<uint16_t>::max();
// Fixed SGPR number of the first 4 SGPRs used to hold scratch V# for entire
// kernel execution, or std::numeric_limits<uint16_t>::max() if the register
// is not used or not known.
uint16_t DebuggerPrivateSegmentBufferSGPR =
std::numeric_limits<uint16_t>::max();
// Whether there is recursion, dynamic allocas, indirect calls or some other
// reason there may be statically unknown stack usage.
bool DynamicCallStack = false;
// Bonus information for debugging.
bool VCCUsed = false;
SIProgramInfo() = default;
};
} // namespace llvm
#endif // LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H