LLVM
20.0.0git
lib
Target
AMDGPU
SIProgramInfo.h
Go to the documentation of this file.
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//===--- SIProgramInfo.h ----------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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/// \file
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/// Defines struct to track resource usage and hardware flags for kernels and
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/// entry functions.
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///
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H
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#define LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H
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#include "
llvm/IR/CallingConv.h
"
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#include "
llvm/Support/Compiler.h
"
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#include <cstdint>
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namespace
llvm
{
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class
GCNSubtarget;
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class
MCContext;
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class
MCExpr;
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class
MachineFunction;
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/// Track resource usage for kernels / entry functions.
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struct
LLVM_EXTERNAL_VISIBILITY
SIProgramInfo
{
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// Fields set in PGM_RSRC1 pm4 packet.
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const
MCExpr
*VGPRBlocks =
nullptr
;
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const
MCExpr
*SGPRBlocks =
nullptr
;
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uint32_t
Priority = 0;
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uint32_t
FloatMode = 0;
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uint32_t
Priv = 0;
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uint32_t
DX10Clamp = 0;
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uint32_t
DebugMode = 0;
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uint32_t
IEEEMode = 0;
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uint32_t
WgpMode = 0;
// GFX10+
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uint32_t
MemOrdered = 0;
// GFX10+
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uint32_t
RrWgMode = 0;
// GFX12+
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const
MCExpr
*ScratchSize =
nullptr
;
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// State used to calculate fields set in PGM_RSRC2 pm4 packet.
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uint32_t
LDSBlocks = 0;
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const
MCExpr
*ScratchBlocks =
nullptr
;
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// Fields set in PGM_RSRC2 pm4 packet
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const
MCExpr
*ScratchEnable =
nullptr
;
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uint32_t
UserSGPR = 0;
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uint32_t
TrapHandlerEnable = 0;
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uint32_t
TGIdXEnable = 0;
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uint32_t
TGIdYEnable = 0;
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uint32_t
TGIdZEnable = 0;
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uint32_t
TGSizeEnable = 0;
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uint32_t
TIdIGCompCount = 0;
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uint32_t
EXCPEnMSB = 0;
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uint32_t
LdsSize = 0;
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uint32_t
EXCPEnable = 0;
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const
MCExpr
*ComputePGMRSrc3GFX90A =
nullptr
;
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const
MCExpr
*NumVGPR =
nullptr
;
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const
MCExpr
*NumArchVGPR =
nullptr
;
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const
MCExpr
*NumAccVGPR =
nullptr
;
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const
MCExpr
*AccumOffset =
nullptr
;
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uint32_t
TgSplit = 0;
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const
MCExpr
*NumSGPR =
nullptr
;
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unsigned
SGPRSpill = 0;
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unsigned
VGPRSpill = 0;
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uint32_t
LDSSize = 0;
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const
MCExpr
*FlatUsed =
nullptr
;
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// Number of SGPRs that meets number of waves per execution unit request.
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const
MCExpr
*NumSGPRsForWavesPerEU =
nullptr
;
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// Number of VGPRs that meets number of waves per execution unit request.
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const
MCExpr
*NumVGPRsForWavesPerEU =
nullptr
;
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// Final occupancy.
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const
MCExpr
*Occupancy =
nullptr
;
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// Whether there is recursion, dynamic allocas, indirect calls or some other
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// reason there may be statically unknown stack usage.
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const
MCExpr
*DynamicCallStack =
nullptr
;
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// Bonus information for debugging.
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const
MCExpr
*VCCUsed =
nullptr
;
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SIProgramInfo
() =
default
;
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// The constructor sets the values for each member as shown in the struct.
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// However, setting the MCExpr members to their zero value equivalent
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// happens in reset together with (duplicated) value re-set for the
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// non-MCExpr members.
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void
reset(
const
MachineFunction
&MF);
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/// Compute the value of the ComputePGMRsrc1 register.
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const
MCExpr
*getComputePGMRSrc1(
const
GCNSubtarget
&ST,
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MCContext
&Ctx)
const
;
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const
MCExpr
*getPGMRSrc1(
CallingConv::ID
CC
,
const
GCNSubtarget
&ST,
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MCContext
&Ctx)
const
;
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/// Compute the value of the ComputePGMRsrc2 register.
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const
MCExpr
*getComputePGMRSrc2(
MCContext
&Ctx)
const
;
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const
MCExpr
*getPGMRSrc2(
CallingConv::ID
CC
,
MCContext
&Ctx)
const
;
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};
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}
// namespace llvm
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#endif
// LLVM_LIB_TARGET_AMDGPU_SIPROGRAMINFO_H
CallingConv.h
Compiler.h
LLVM_EXTERNAL_VISIBILITY
#define LLVM_EXTERNAL_VISIBILITY
Definition:
Compiler.h:131
CC
auto CC
Definition:
RISCVRedundantCopyElimination.cpp:79
llvm::GCNSubtarget
Definition:
GCNSubtarget.h:35
llvm::MCContext
Context object for machine code objects.
Definition:
MCContext.h:83
llvm::MCExpr
Base class for the full range of assembler expressions which are needed for parsing.
Definition:
MCExpr.h:34
llvm::MachineFunction
Definition:
MachineFunction.h:257
uint32_t
unsigned
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition:
AddressRanges.h:18
llvm::SIProgramInfo
Track resource usage for kernels / entry functions.
Definition:
SIProgramInfo.h:31
llvm::SIProgramInfo::SIProgramInfo
SIProgramInfo()=default
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