AMDGPU: Split R600 AsmPrinter code into its own class

Reviewers: arsenm, nhaehnle

Reviewed By: arsenm

Subscribers: kzhuravl, wdng, mgorny, yaxunl, dstuttard, tpr, llvm-commits, t-tye

Differential Revision: https://reviews.llvm.org/D47245

llvm-svn: 333219
This commit is contained in:
Tom Stellard 2018-05-24 20:02:01 +00:00
parent 381e806df7
commit 094abf2283
6 changed files with 306 additions and 164 deletions

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@ -23,6 +23,7 @@
#include "InstPrinter/AMDGPUInstPrinter.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "MCTargetDesc/AMDGPUTargetStreamer.h"
#include "R600AsmPrinter.h"
#include "R600Defines.h"
#include "R600MachineFunctionInfo.h"
#include "R600RegisterInfo.h"
@ -89,7 +90,7 @@ createAMDGPUAsmPrinterPass(TargetMachine &tm,
extern "C" void LLVMInitializeAMDGPUAsmPrinter() {
TargetRegistry::RegisterAsmPrinter(getTheAMDGPUTarget(),
createAMDGPUAsmPrinterPass);
llvm::createR600AsmPrinterPass);
TargetRegistry::RegisterAsmPrinter(getTheGCNTarget(),
createAMDGPUAsmPrinterPass);
}
@ -115,9 +116,6 @@ AMDGPUTargetStreamer* AMDGPUAsmPrinter::getTargetStreamer() const {
}
void AMDGPUAsmPrinter::EmitStartOfAsmFile(Module &M) {
if (TM.getTargetTriple().getArch() != Triple::amdgcn)
return;
if (TM.getTargetTriple().getOS() != Triple::AMDHSA &&
TM.getTargetTriple().getOS() != Triple::AMDPAL)
return;
@ -143,8 +141,6 @@ void AMDGPUAsmPrinter::EmitStartOfAsmFile(Module &M) {
}
void AMDGPUAsmPrinter::EmitEndOfAsmFile(Module &M) {
if (TM.getTargetTriple().getArch() != Triple::amdgcn)
return;
// Following code requires TargetStreamer to be present.
if (!getTargetStreamer())
@ -309,24 +305,20 @@ bool AMDGPUAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
OutStreamer->SwitchSection(ConfigSection);
}
if (STM.getGeneration() >= AMDGPUSubtarget::SOUTHERN_ISLANDS) {
if (MFI->isEntryFunction()) {
getSIProgramInfo(CurrentProgramInfo, MF);
} else {
auto I = CallGraphResourceInfo.insert(
std::make_pair(&MF.getFunction(), SIFunctionResourceInfo()));
SIFunctionResourceInfo &Info = I.first->second;
assert(I.second && "should only be called once per function");
Info = analyzeResourceUsage(MF);
}
if (STM.isAmdPalOS())
EmitPALMetadata(MF, CurrentProgramInfo);
else if (!STM.isAmdHsaOS()) {
EmitProgramInfoSI(MF, CurrentProgramInfo);
}
if (MFI->isEntryFunction()) {
getSIProgramInfo(CurrentProgramInfo, MF);
} else {
EmitProgramInfoR600(MF);
auto I = CallGraphResourceInfo.insert(
std::make_pair(&MF.getFunction(), SIFunctionResourceInfo()));
SIFunctionResourceInfo &Info = I.first->second;
assert(I.second && "should only be called once per function");
Info = analyzeResourceUsage(MF);
}
if (STM.isAmdPalOS())
EmitPALMetadata(MF, CurrentProgramInfo);
else if (!STM.isAmdHsaOS()) {
EmitProgramInfoSI(MF, CurrentProgramInfo);
}
DisasmLines.clear();
@ -340,84 +332,78 @@ bool AMDGPUAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
Context.getELFSection(".AMDGPU.csdata", ELF::SHT_PROGBITS, 0);
OutStreamer->SwitchSection(CommentSection);
if (STM.getGeneration() >= AMDGPUSubtarget::SOUTHERN_ISLANDS) {
if (!MFI->isEntryFunction()) {
OutStreamer->emitRawComment(" Function info:", false);
SIFunctionResourceInfo &Info = CallGraphResourceInfo[&MF.getFunction()];
emitCommonFunctionComments(
Info.NumVGPR,
Info.getTotalNumSGPRs(MF.getSubtarget<SISubtarget>()),
Info.PrivateSegmentSize,
getFunctionCodeSize(MF));
return false;
}
OutStreamer->emitRawComment(" Kernel info:", false);
emitCommonFunctionComments(CurrentProgramInfo.NumVGPR,
CurrentProgramInfo.NumSGPR,
CurrentProgramInfo.ScratchSize,
getFunctionCodeSize(MF));
OutStreamer->emitRawComment(
" FloatMode: " + Twine(CurrentProgramInfo.FloatMode), false);
OutStreamer->emitRawComment(
" IeeeMode: " + Twine(CurrentProgramInfo.IEEEMode), false);
OutStreamer->emitRawComment(
" LDSByteSize: " + Twine(CurrentProgramInfo.LDSSize) +
" bytes/workgroup (compile time only)", false);
OutStreamer->emitRawComment(
" SGPRBlocks: " + Twine(CurrentProgramInfo.SGPRBlocks), false);
OutStreamer->emitRawComment(
" VGPRBlocks: " + Twine(CurrentProgramInfo.VGPRBlocks), false);
OutStreamer->emitRawComment(
" NumSGPRsForWavesPerEU: " +
Twine(CurrentProgramInfo.NumSGPRsForWavesPerEU), false);
OutStreamer->emitRawComment(
" NumVGPRsForWavesPerEU: " +
Twine(CurrentProgramInfo.NumVGPRsForWavesPerEU), false);
OutStreamer->emitRawComment(
" ReservedVGPRFirst: " + Twine(CurrentProgramInfo.ReservedVGPRFirst),
false);
OutStreamer->emitRawComment(
" ReservedVGPRCount: " + Twine(CurrentProgramInfo.ReservedVGPRCount),
false);
if (MF.getSubtarget<SISubtarget>().debuggerEmitPrologue()) {
OutStreamer->emitRawComment(
" DebuggerWavefrontPrivateSegmentOffsetSGPR: s" +
Twine(CurrentProgramInfo.DebuggerWavefrontPrivateSegmentOffsetSGPR), false);
OutStreamer->emitRawComment(
" DebuggerPrivateSegmentBufferSGPR: s" +
Twine(CurrentProgramInfo.DebuggerPrivateSegmentBufferSGPR), false);
}
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:USER_SGPR: " +
Twine(G_00B84C_USER_SGPR(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TRAP_HANDLER: " +
Twine(G_00B84C_TRAP_HANDLER(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TGID_X_EN: " +
Twine(G_00B84C_TGID_X_EN(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TGID_Y_EN: " +
Twine(G_00B84C_TGID_Y_EN(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TGID_Z_EN: " +
Twine(G_00B84C_TGID_Z_EN(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TIDIG_COMP_CNT: " +
Twine(G_00B84C_TIDIG_COMP_CNT(CurrentProgramInfo.ComputePGMRSrc2)),
false);
} else {
R600MachineFunctionInfo *MFI = MF.getInfo<R600MachineFunctionInfo>();
OutStreamer->emitRawComment(
Twine("SQ_PGM_RESOURCES:STACK_SIZE = " + Twine(MFI->CFStackSize)));
if (!MFI->isEntryFunction()) {
OutStreamer->emitRawComment(" Function info:", false);
SIFunctionResourceInfo &Info = CallGraphResourceInfo[&MF.getFunction()];
emitCommonFunctionComments(
Info.NumVGPR,
Info.getTotalNumSGPRs(MF.getSubtarget<SISubtarget>()),
Info.PrivateSegmentSize,
getFunctionCodeSize(MF));
return false;
}
OutStreamer->emitRawComment(" Kernel info:", false);
emitCommonFunctionComments(CurrentProgramInfo.NumVGPR,
CurrentProgramInfo.NumSGPR,
CurrentProgramInfo.ScratchSize,
getFunctionCodeSize(MF));
OutStreamer->emitRawComment(
" FloatMode: " + Twine(CurrentProgramInfo.FloatMode), false);
OutStreamer->emitRawComment(
" IeeeMode: " + Twine(CurrentProgramInfo.IEEEMode), false);
OutStreamer->emitRawComment(
" LDSByteSize: " + Twine(CurrentProgramInfo.LDSSize) +
" bytes/workgroup (compile time only)", false);
OutStreamer->emitRawComment(
" SGPRBlocks: " + Twine(CurrentProgramInfo.SGPRBlocks), false);
OutStreamer->emitRawComment(
" VGPRBlocks: " + Twine(CurrentProgramInfo.VGPRBlocks), false);
OutStreamer->emitRawComment(
" NumSGPRsForWavesPerEU: " +
Twine(CurrentProgramInfo.NumSGPRsForWavesPerEU), false);
OutStreamer->emitRawComment(
" NumVGPRsForWavesPerEU: " +
Twine(CurrentProgramInfo.NumVGPRsForWavesPerEU), false);
OutStreamer->emitRawComment(
" ReservedVGPRFirst: " + Twine(CurrentProgramInfo.ReservedVGPRFirst),
false);
OutStreamer->emitRawComment(
" ReservedVGPRCount: " + Twine(CurrentProgramInfo.ReservedVGPRCount),
false);
if (MF.getSubtarget<SISubtarget>().debuggerEmitPrologue()) {
OutStreamer->emitRawComment(
" DebuggerWavefrontPrivateSegmentOffsetSGPR: s" +
Twine(CurrentProgramInfo.DebuggerWavefrontPrivateSegmentOffsetSGPR), false);
OutStreamer->emitRawComment(
" DebuggerPrivateSegmentBufferSGPR: s" +
Twine(CurrentProgramInfo.DebuggerPrivateSegmentBufferSGPR), false);
}
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:USER_SGPR: " +
Twine(G_00B84C_USER_SGPR(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TRAP_HANDLER: " +
Twine(G_00B84C_TRAP_HANDLER(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TGID_X_EN: " +
Twine(G_00B84C_TGID_X_EN(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TGID_Y_EN: " +
Twine(G_00B84C_TGID_Y_EN(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TGID_Z_EN: " +
Twine(G_00B84C_TGID_Z_EN(CurrentProgramInfo.ComputePGMRSrc2)), false);
OutStreamer->emitRawComment(
" COMPUTE_PGM_RSRC2:TIDIG_COMP_CNT: " +
Twine(G_00B84C_TIDIG_COMP_CNT(CurrentProgramInfo.ComputePGMRSrc2)),
false);
}
if (STM.dumpCode()) {
@ -440,65 +426,6 @@ bool AMDGPUAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
return false;
}
void AMDGPUAsmPrinter::EmitProgramInfoR600(const MachineFunction &MF) {
unsigned MaxGPR = 0;
bool killPixel = false;
const R600Subtarget &STM = MF.getSubtarget<R600Subtarget>();
const R600RegisterInfo *RI = STM.getRegisterInfo();
const R600MachineFunctionInfo *MFI = MF.getInfo<R600MachineFunctionInfo>();
for (const MachineBasicBlock &MBB : MF) {
for (const MachineInstr &MI : MBB) {
if (MI.getOpcode() == AMDGPU::KILLGT)
killPixel = true;
unsigned numOperands = MI.getNumOperands();
for (unsigned op_idx = 0; op_idx < numOperands; op_idx++) {
const MachineOperand &MO = MI.getOperand(op_idx);
if (!MO.isReg())
continue;
unsigned HWReg = RI->getHWRegIndex(MO.getReg());
// Register with value > 127 aren't GPR
if (HWReg > 127)
continue;
MaxGPR = std::max(MaxGPR, HWReg);
}
}
}
unsigned RsrcReg;
if (STM.getGeneration() >= R600Subtarget::EVERGREEN) {
// Evergreen / Northern Islands
switch (MF.getFunction().getCallingConv()) {
default: LLVM_FALLTHROUGH;
case CallingConv::AMDGPU_CS: RsrcReg = R_0288D4_SQ_PGM_RESOURCES_LS; break;
case CallingConv::AMDGPU_GS: RsrcReg = R_028878_SQ_PGM_RESOURCES_GS; break;
case CallingConv::AMDGPU_PS: RsrcReg = R_028844_SQ_PGM_RESOURCES_PS; break;
case CallingConv::AMDGPU_VS: RsrcReg = R_028860_SQ_PGM_RESOURCES_VS; break;
}
} else {
// R600 / R700
switch (MF.getFunction().getCallingConv()) {
default: LLVM_FALLTHROUGH;
case CallingConv::AMDGPU_GS: LLVM_FALLTHROUGH;
case CallingConv::AMDGPU_CS: LLVM_FALLTHROUGH;
case CallingConv::AMDGPU_VS: RsrcReg = R_028868_SQ_PGM_RESOURCES_VS; break;
case CallingConv::AMDGPU_PS: RsrcReg = R_028850_SQ_PGM_RESOURCES_PS; break;
}
}
OutStreamer->EmitIntValue(RsrcReg, 4);
OutStreamer->EmitIntValue(S_NUM_GPRS(MaxGPR + 1) |
S_STACK_SIZE(MFI->CFStackSize), 4);
OutStreamer->EmitIntValue(R_02880C_DB_SHADER_CONTROL, 4);
OutStreamer->EmitIntValue(S_02880C_KILL_ENABLE(killPixel), 4);
if (AMDGPU::isCompute(MF.getFunction().getCallingConv())) {
OutStreamer->EmitIntValue(R_0288E8_SQ_LDS_ALLOC, 4);
OutStreamer->EmitIntValue(alignTo(MFI->getLDSSize(), 4) >> 2, 4);
}
}
uint64_t AMDGPUAsmPrinter::getFunctionCodeSize(const MachineFunction &MF) const {
const SISubtarget &STM = MF.getSubtarget<SISubtarget>();
const SIInstrInfo *TII = STM.getInstrInfo();

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@ -137,7 +137,6 @@ private:
/// Emit register usage information so that the GPU driver
/// can correctly setup the GPU state.
void EmitProgramInfoR600(const MachineFunction &MF);
void EmitProgramInfoSI(const MachineFunction &MF,
const SIProgramInfo &KernelInfo);
void EmitPALMetadata(const MachineFunction &MF,

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@ -19,6 +19,7 @@
#include "AMDGPUTargetMachine.h"
#include "InstPrinter/AMDGPUInstPrinter.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "R600AsmPrinter.h"
#include "SIInstrInfo.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineInstr.h"
@ -175,11 +176,13 @@ bool AMDGPUAsmPrinter::lowerOperand(const MachineOperand &MO,
return MCInstLowering.lowerOperand(MO, MCOp);
}
const MCExpr *AMDGPUAsmPrinter::lowerConstant(const Constant *CV) {
static const MCExpr *lowerAddrSpaceCast(const TargetMachine &TM,
const Constant *CV,
MCContext &OutContext) {
// TargetMachine does not support llvm-style cast. Use C++-style cast.
// This is safe since TM is always of type AMDGPUTargetMachine or its
// derived class.
auto *AT = static_cast<AMDGPUTargetMachine*>(&TM);
auto &AT = static_cast<const AMDGPUTargetMachine&>(TM);
auto *CE = dyn_cast<ConstantExpr>(CV);
// Lower null pointers in private and local address space.
@ -188,12 +191,18 @@ const MCExpr *AMDGPUAsmPrinter::lowerConstant(const Constant *CV) {
if (CE && CE->getOpcode() == Instruction::AddrSpaceCast) {
auto Op = CE->getOperand(0);
auto SrcAddr = Op->getType()->getPointerAddressSpace();
if (Op->isNullValue() && AT->getNullPointerValue(SrcAddr) == 0) {
if (Op->isNullValue() && AT.getNullPointerValue(SrcAddr) == 0) {
auto DstAddr = CE->getType()->getPointerAddressSpace();
return MCConstantExpr::create(AT->getNullPointerValue(DstAddr),
return MCConstantExpr::create(AT.getNullPointerValue(DstAddr),
OutContext);
}
}
return nullptr;
}
const MCExpr *AMDGPUAsmPrinter::lowerConstant(const Constant *CV) {
if (const MCExpr *E = lowerAddrSpaceCast(TM, CV, OutContext))
return E;
return AsmPrinter::lowerConstant(CV);
}
@ -293,3 +302,34 @@ void AMDGPUAsmPrinter::EmitInstruction(const MachineInstr *MI) {
}
}
}
void R600AsmPrinter::EmitInstruction(const MachineInstr *MI) {
const R600Subtarget &STI = MF->getSubtarget<R600Subtarget>();
AMDGPUMCInstLower MCInstLowering(OutContext, STI, *this);
StringRef Err;
if (!STI.getInstrInfo()->verifyInstruction(*MI, Err)) {
LLVMContext &C = MI->getParent()->getParent()->getFunction().getContext();
C.emitError("Illegal instruction detected: " + Err);
MI->print(errs());
}
if (MI->isBundle()) {
const MachineBasicBlock *MBB = MI->getParent();
MachineBasicBlock::const_instr_iterator I = ++MI->getIterator();
while (I != MBB->instr_end() && I->isInsideBundle()) {
EmitInstruction(&*I);
++I;
}
} else {
MCInst TmpInst;
MCInstLowering.lower(MI, TmpInst);
EmitToStreamer(*OutStreamer, TmpInst);
}
}
const MCExpr *R600AsmPrinter::lowerConstant(const Constant *CV) {
if (const MCExpr *E = lowerAddrSpaceCast(TM, CV, OutContext))
return E;
return AsmPrinter::lowerConstant(CV);
}

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@ -64,6 +64,7 @@ add_llvm_target(AMDGPUCodeGen
GCNMinRegStrategy.cpp
GCNRegPressure.cpp
GCNSchedStrategy.cpp
R600AsmPrinter.cpp
R600ClauseMergePass.cpp
R600ControlFlowFinalizer.cpp
R600EmitClauseMarkers.cpp

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@ -0,0 +1,129 @@
//===-- R600AsmPrinter.cpp - R600 Assebly printer ------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
///
/// The R600AsmPrinter is used to print both assembly string and also binary
/// code. When passed an MCAsmStreamer it prints assembly and when passed
/// an MCObjectStreamer it outputs binary code.
//
//===----------------------------------------------------------------------===//
#include "R600AsmPrinter.h"
#include "AMDGPUSubtarget.h"
#include "R600Defines.h"
#include "R600MachineFunctionInfo.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
using namespace llvm;
AsmPrinter *
llvm::createR600AsmPrinterPass(TargetMachine &TM,
std::unique_ptr<MCStreamer> &&Streamer) {
return new R600AsmPrinter(TM, std::move(Streamer));
}
R600AsmPrinter::R600AsmPrinter(TargetMachine &TM,
std::unique_ptr<MCStreamer> Streamer)
: AsmPrinter(TM, std::move(Streamer)) { }
StringRef R600AsmPrinter::getPassName() const {
return "R600 Assembly Printer";
}
void R600AsmPrinter::EmitProgramInfoR600(const MachineFunction &MF) {
unsigned MaxGPR = 0;
bool killPixel = false;
const R600Subtarget &STM = MF.getSubtarget<R600Subtarget>();
const R600RegisterInfo *RI = STM.getRegisterInfo();
const R600MachineFunctionInfo *MFI = MF.getInfo<R600MachineFunctionInfo>();
for (const MachineBasicBlock &MBB : MF) {
for (const MachineInstr &MI : MBB) {
if (MI.getOpcode() == AMDGPU::KILLGT)
killPixel = true;
unsigned numOperands = MI.getNumOperands();
for (unsigned op_idx = 0; op_idx < numOperands; op_idx++) {
const MachineOperand &MO = MI.getOperand(op_idx);
if (!MO.isReg())
continue;
unsigned HWReg = RI->getHWRegIndex(MO.getReg());
// Register with value > 127 aren't GPR
if (HWReg > 127)
continue;
MaxGPR = std::max(MaxGPR, HWReg);
}
}
}
unsigned RsrcReg;
if (STM.getGeneration() >= R600Subtarget::EVERGREEN) {
// Evergreen / Northern Islands
switch (MF.getFunction().getCallingConv()) {
default: LLVM_FALLTHROUGH;
case CallingConv::AMDGPU_CS: RsrcReg = R_0288D4_SQ_PGM_RESOURCES_LS; break;
case CallingConv::AMDGPU_GS: RsrcReg = R_028878_SQ_PGM_RESOURCES_GS; break;
case CallingConv::AMDGPU_PS: RsrcReg = R_028844_SQ_PGM_RESOURCES_PS; break;
case CallingConv::AMDGPU_VS: RsrcReg = R_028860_SQ_PGM_RESOURCES_VS; break;
}
} else {
// R600 / R700
switch (MF.getFunction().getCallingConv()) {
default: LLVM_FALLTHROUGH;
case CallingConv::AMDGPU_GS: LLVM_FALLTHROUGH;
case CallingConv::AMDGPU_CS: LLVM_FALLTHROUGH;
case CallingConv::AMDGPU_VS: RsrcReg = R_028868_SQ_PGM_RESOURCES_VS; break;
case CallingConv::AMDGPU_PS: RsrcReg = R_028850_SQ_PGM_RESOURCES_PS; break;
}
}
OutStreamer->EmitIntValue(RsrcReg, 4);
OutStreamer->EmitIntValue(S_NUM_GPRS(MaxGPR + 1) |
S_STACK_SIZE(MFI->CFStackSize), 4);
OutStreamer->EmitIntValue(R_02880C_DB_SHADER_CONTROL, 4);
OutStreamer->EmitIntValue(S_02880C_KILL_ENABLE(killPixel), 4);
if (AMDGPU::isCompute(MF.getFunction().getCallingConv())) {
OutStreamer->EmitIntValue(R_0288E8_SQ_LDS_ALLOC, 4);
OutStreamer->EmitIntValue(alignTo(MFI->getLDSSize(), 4) >> 2, 4);
}
}
bool R600AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SetupMachineFunction(MF);
MCContext &Context = getObjFileLowering().getContext();
MCSectionELF *ConfigSection =
Context.getELFSection(".AMDGPU.config", ELF::SHT_PROGBITS, 0);
OutStreamer->SwitchSection(ConfigSection);
EmitProgramInfoR600(MF);
EmitFunctionBody();
if (isVerbose()) {
MCSectionELF *CommentSection =
Context.getELFSection(".AMDGPU.csdata", ELF::SHT_PROGBITS, 0);
OutStreamer->SwitchSection(CommentSection);
R600MachineFunctionInfo *MFI = MF.getInfo<R600MachineFunctionInfo>();
OutStreamer->emitRawComment(
Twine("SQ_PGM_RESOURCES:STACK_SIZE = " + Twine(MFI->CFStackSize)));
}
return false;
}

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@ -0,0 +1,46 @@
//===-- R600AsmPrinter.h - Print R600 assembly code -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
/// R600 Assembly printer class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AMDGPU_R600ASMPRINTER_H
#define LLVM_LIB_TARGET_AMDGPU_R600ASMPRINTER_H
#include "llvm/CodeGen/AsmPrinter.h"
namespace llvm {
class R600AsmPrinter final : public AsmPrinter {
public:
explicit R600AsmPrinter(TargetMachine &TM,
std::unique_ptr<MCStreamer> Streamer);
StringRef getPassName() const override;
bool runOnMachineFunction(MachineFunction &MF) override;
/// Implemented in AMDGPUMCInstLower.cpp
void EmitInstruction(const MachineInstr *MI) override;
/// Lower the specified LLVM Constant to an MCExpr.
/// The AsmPrinter::lowerConstantof does not know how to lower
/// addrspacecast, therefore they should be lowered by this function.
const MCExpr *lowerConstant(const Constant *CV) override;
private:
void EmitProgramInfoR600(const MachineFunction &MF);
};
AsmPrinter *
createR600AsmPrinterPass(TargetMachine &TM,
std::unique_ptr<MCStreamer> &&Streamer);
} // namespace llvm
#endif // LLVM_LIB_TARGET_AMDGPU_R600ASMPRINTER_H