99 cl::desc(
"Lower GPU ctor / dtors to globals on the device."),
102#define DEPOTNAME "__local_depot"
112 if (
const User *U = dyn_cast<User>(V)) {
113 for (
unsigned i = 0, e = U->getNumOperands(); i != e; ++i) {
129 if (Visited.
count(GV))
133 if (!Visiting.
insert(GV).second)
151 NVPTX_MC::verifyInstructionPredicates(
MI->getOpcode(),
155 lowerToMCInst(
MI, Inst);
160bool NVPTXAsmPrinter::lowerImageHandleOperand(
const MachineInstr *
MI,
168 if (OpNo == 4 && MO.
isImm()) {
169 lowerImageHandleSymbol(MO.
getImm(), MCOp);
173 lowerImageHandleSymbol(MO.
getImm(), MCOp);
183 if (OpNo == VecSize && MO.
isImm()) {
184 lowerImageHandleSymbol(MO.
getImm(), MCOp);
191 if (OpNo == 0 && MO.
isImm()) {
192 lowerImageHandleSymbol(MO.
getImm(), MCOp);
199 if (OpNo == 1 && MO.
isImm()) {
200 lowerImageHandleSymbol(MO.
getImm(), MCOp);
210void NVPTXAsmPrinter::lowerImageHandleSymbol(
unsigned Index,
MCOperand &MCOp) {
223 if (
MI->getOpcode() == NVPTX::CALL_PROTOTYPE) {
231 for (
unsigned i = 0, e =
MI->getNumOperands(); i !=
e; ++i) {
236 if (lowerImageHandleOperand(
MI, i, MCOp)) {
242 if (lowerOperand(MO, MCOp))
296unsigned NVPTXAsmPrinter::encodeVirtualRegister(
unsigned Reg) {
301 unsigned RegNum = RegMap[
Reg];
306 if (RC == &NVPTX::Int1RegsRegClass) {
308 }
else if (RC == &NVPTX::Int16RegsRegClass) {
310 }
else if (RC == &NVPTX::Int32RegsRegClass) {
312 }
else if (RC == &NVPTX::Int64RegsRegClass) {
314 }
else if (RC == &NVPTX::Float32RegsRegClass) {
316 }
else if (RC == &NVPTX::Float64RegsRegClass) {
323 Ret |= (RegNum & 0x0FFFFFFF);
328 return Reg & 0x0FFFFFFF;
349 Type *Ty =
F->getReturnType();
361 if (
auto *ITy = dyn_cast<IntegerType>(Ty)) {
362 size = ITy->getBitWidth();
368 O <<
".param .b" <<
size <<
" func_retval0";
369 }
else if (isa<PointerType>(Ty)) {
370 O <<
".param .b" << TLI->getPointerTy(
DL).getSizeInBits()
373 unsigned totalsz =
DL.getTypeAllocSize(Ty);
374 Align RetAlignment = TLI->getFunctionArgumentAlignment(
376 O <<
".param .align " << RetAlignment.
value() <<
" .b8 func_retval0["
384 for (
unsigned i = 0, e = vtparts.
size(); i != e; ++i) {
386 EVT elemtype = vtparts[i];
388 elems = vtparts[i].getVectorNumElements();
389 elemtype = vtparts[i].getVectorElementType();
392 for (
unsigned j = 0, je = elems;
j != je; ++
j) {
396 O <<
".reg .b" << sz <<
" func_retval" << idx;
411 printReturnValStr(&F, O);
416bool NVPTXAsmPrinter::isLoopHeaderOfNoUnroll(
431 if (
const BasicBlock *PBB = PMBB->getBasicBlock()) {
433 PBB->getTerminator()->getMetadata(LLVMContext::MD_loop)) {
436 if (
MDNode *UnrollCountMD =
438 if (mdconst::extract<ConstantInt>(UnrollCountMD->getOperand(1))
450 if (isLoopHeaderOfNoUnroll(
MBB))
454void NVPTXAsmPrinter::emitFunctionEntryLabel() {
458 if (!GlobalsEmitted) {
460 GlobalsEmitted =
true;
466 emitLinkageDirective(F, O);
471 printReturnValStr(*
MF, O);
476 emitFunctionParamList(F, O);
480 emitKernelFunctionDirectives(*F, O);
490 setAndEmitFunctionVirtualRegisters(*
MF);
510void NVPTXAsmPrinter::emitFunctionBodyStart() {
517void NVPTXAsmPrinter::emitFunctionBodyEnd() {
527void NVPTXAsmPrinter::emitImplicitDef(
const MachineInstr *
MI)
const {
540void NVPTXAsmPrinter::emitKernelFunctionDirectives(
const Function &
F,
545 unsigned Reqntidx, Reqntidy, Reqntidz;
546 Reqntidx = Reqntidy = Reqntidz = 1;
547 bool ReqSpecified =
false;
553 O <<
".reqntid " << Reqntidx <<
", " << Reqntidy <<
", " << Reqntidz
559 unsigned Maxntidx, Maxntidy, Maxntidz;
560 Maxntidx = Maxntidy = Maxntidz = 1;
561 bool MaxSpecified =
false;
567 O <<
".maxntid " << Maxntidx <<
", " << Maxntidy <<
", " << Maxntidz
572 O <<
".minnctapersm " << Mincta <<
"\n";
574 unsigned Maxnreg = 0;
576 O <<
".maxnreg " << Maxnreg <<
"\n";
582 unsigned Maxclusterrank = 0;
584 O <<
".maxclusterrank " << Maxclusterrank <<
"\n";
594 assert(
I != VRegMapping.
end() &&
"Bad register class");
598 assert(VI != RegMap.
end() &&
"Bad virtual register");
599 unsigned MappedVR = VI->second;
607void NVPTXAsmPrinter::emitVirtualRegister(
unsigned int vr,
612void NVPTXAsmPrinter::emitAliasDeclaration(
const GlobalAlias *GA,
617 "NVPTX aliasee must be a non-kernel function definition");
623 emitDeclarationWithName(F,
getSymbol(GA), O);
627 emitDeclarationWithName(F,
getSymbol(F), O);
632 emitLinkageDirective(F, O);
637 printReturnValStr(F, O);
640 emitFunctionParamList(F, O);
652 return GV->getName() !=
"llvm.used";
655 for (
const User *U :
C->users())
656 if (
const Constant *
C = dyn_cast<Constant>(U))
664 if (
const GlobalVariable *othergv = dyn_cast<GlobalVariable>(U)) {
665 if (othergv->getName() ==
"llvm.used")
670 if (
instr->getParent() &&
instr->getParent()->getParent()) {
672 if (oneFunc && (curFunc != oneFunc))
680 for (
const User *UU : U->users())
714 for (
const User *U :
C->users()) {
715 if (
const Constant *cu = dyn_cast<Constant>(U)) {
718 }
else if (
const Instruction *
I = dyn_cast<Instruction>(U)) {
735 if (
F.getAttributes().hasFnAttr(
"nvptx-libcall-callee")) {
736 emitDeclaration(&F, O);
740 if (
F.isDeclaration()) {
743 if (
F.getIntrinsicID())
745 emitDeclaration(&F, O);
748 for (
const User *U :
F.users()) {
749 if (
const Constant *
C = dyn_cast<Constant>(U)) {
754 emitDeclaration(&F, O);
760 emitDeclaration(&F, O);
765 if (!isa<Instruction>(U))
779 emitDeclaration(&F, O);
786 emitAliasDeclaration(&GA, O);
790 if (!GV)
return true;
792 if (!InitList)
return true;
796void NVPTXAsmPrinter::emitStartOfAsmFile(
Module &M) {
806 emitHeader(M, OS1, *STI);
818 bool IsOpenMP = M.getModuleFlag(
"openmp") !=
nullptr;
823 "Module has a nontrivial global ctor, which NVPTX does not support.");
829 "Module has a nontrivial global dtor, which NVPTX does not support.");
836 GlobalsEmitted =
false;
841void NVPTXAsmPrinter::emitGlobals(
const Module &M) {
845 emitDeclarations(M, OS2);
860 assert(GVVisited.
size() == M.global_size() &&
"Missed a global variable");
861 assert(GVVisiting.
size() == 0 &&
"Did not fully process a global variable");
868 for (
unsigned i = 0, e = Globals.
size(); i != e; ++i)
869 printModuleLevelGV(Globals[i], OS2,
false, STI);
891 O <<
"// Generated by LLVM NVPTX Back-End\n";
896 O <<
".version " << (PTXVersion / 10) <<
"." << (PTXVersion % 10) <<
"\n";
903 O <<
", texmode_independent";
905 bool HasFullDebugInfo =
false;
907 switch(
CU->getEmissionKind()) {
913 HasFullDebugInfo =
true;
916 if (HasFullDebugInfo)
924 O <<
".address_size ";
939 if (!GlobalsEmitted) {
941 GlobalsEmitted =
true;
955 OutStreamer->emitRawText(
"\t.section\t.debug_loc\t{\t}");
959 TS->outputDwarfFileDirectives();
977void NVPTXAsmPrinter::emitLinkageDirective(
const GlobalValue *V,
980 if (V->hasExternalLinkage()) {
981 if (isa<GlobalVariable>(V)) {
989 }
else if (
V->isDeclaration())
993 }
else if (
V->hasAppendingLinkage()) {
995 msg.append(
"Error: ");
996 msg.append(
"Symbol ");
998 msg.append(std::string(
V->getName()));
999 msg.append(
"has unsupported appending linkage type");
1001 }
else if (!
V->hasInternalLinkage() &&
1002 !
V->hasPrivateLinkage()) {
1008void NVPTXAsmPrinter::printModuleLevelGV(
const GlobalVariable *GVar,
1055 emitPTXGlobalVariable(GVar, O, STI);
1063 const Constant *Initializer =
nullptr;
1068 CI = dyn_cast<ConstantInt>(Initializer);
1077 O <<
"addr_mode_" << i <<
" = ";
1083 O <<
"clamp_to_border";
1086 O <<
"clamp_to_edge";
1097 O <<
"filter_mode = ";
1112 O <<
", force_unnormalized_coords = 1";
1122 if (strncmp(GVar->
getName().
data(),
"unrollpragma", 12) == 0)
1126 if (strncmp(GVar->
getName().
data(),
"filename", 8) == 0)
1132 const Function *demotedFunc =
nullptr;
1134 O <<
"// " << GVar->
getName() <<
" has been demoted\n";
1135 if (localDecls.find(demotedFunc) != localDecls.end())
1136 localDecls[demotedFunc].push_back(GVar);
1138 std::vector<const GlobalVariable *> temp;
1139 temp.push_back(GVar);
1140 localDecls[demotedFunc] = temp;
1151 ".attribute(.managed) requires PTX version >= 4.0 and sm_30");
1153 O <<
" .attribute(.managed)";
1157 O <<
" .align " <<
A->value();
1159 O <<
" .align " << (int)
DL.getPrefTypeAlign(ETy).value();
1168 O << getPTXFundamentalTypeStr(ETy,
false);
1179 if (!Initializer->
isNullValue() && !isa<UndefValue>(Initializer)) {
1181 printScalarConstant(Initializer, O);
1190 "' is not allowed in addrspace(" +
1207 ElementSize =
DL.getTypeStoreSize(ETy);
1214 if (!isa<UndefValue>(Initializer) && !Initializer->
isNullValue()) {
1215 AggBuffer aggBuffer(ElementSize, *
this);
1216 bufferAggregateConstant(Initializer, &aggBuffer);
1217 if (aggBuffer.numSymbols()) {
1219 if (ElementSize % ptrSize ||
1220 !aggBuffer.allSymbolsAligned(ptrSize)) {
1224 "initialized packed aggregate with pointers '" +
1226 "' requires at least PTX ISA version 7.1");
1229 O <<
"[" << ElementSize <<
"] = {";
1230 aggBuffer.printBytes(O);
1233 O <<
" .u" << ptrSize * 8 <<
" ";
1235 O <<
"[" << ElementSize / ptrSize <<
"] = {";
1236 aggBuffer.printWords(O);
1242 O <<
"[" << ElementSize <<
"] = {";
1243 aggBuffer.printBytes(O);
1272void NVPTXAsmPrinter::AggBuffer::printSymbol(
unsigned nSym,
raw_ostream &os) {
1273 const Value *
v = Symbols[nSym];
1274 const Value *v0 = SymbolsBeforeStripping[nSym];
1275 if (
const GlobalValue *GVar = dyn_cast<GlobalValue>(v)) {
1279 bool isGenericPointer = PTy && PTy->getAddressSpace() == 0;
1280 if (EmitGeneric && isGenericPointer && !isa<Function>(v)) {
1282 Name->print(os, AP.MAI);
1285 Name->print(os, AP.MAI);
1287 }
else if (
const ConstantExpr *CExpr = dyn_cast<ConstantExpr>(v0)) {
1288 const MCExpr *Expr = AP.lowerConstantForGV(cast<Constant>(CExpr),
false);
1289 AP.printMCExpr(*Expr, os);
1294void NVPTXAsmPrinter::AggBuffer::printBytes(
raw_ostream &os) {
1295 unsigned int ptrSize = AP.MAI->getCodePointerSize();
1300 unsigned int InitializerCount =
size;
1303 if (numSymbols() == 0)
1304 while (InitializerCount >= 1 && !buffer[InitializerCount - 1])
1307 symbolPosInBuffer.push_back(InitializerCount);
1308 unsigned int nSym = 0;
1309 unsigned int nextSymbolPos = symbolPosInBuffer[nSym];
1310 for (
unsigned int pos = 0; pos < InitializerCount;) {
1313 if (pos != nextSymbolPos) {
1314 os << (
unsigned int)buffer[pos];
1321 std::string symText;
1323 printSymbol(nSym, oss);
1324 for (
unsigned i = 0; i < ptrSize; ++i) {
1328 os <<
"(" << symText <<
")";
1331 nextSymbolPos = symbolPosInBuffer[++nSym];
1332 assert(nextSymbolPos >= pos);
1336void NVPTXAsmPrinter::AggBuffer::printWords(
raw_ostream &os) {
1337 unsigned int ptrSize = AP.MAI->getCodePointerSize();
1338 symbolPosInBuffer.push_back(size);
1339 unsigned int nSym = 0;
1340 unsigned int nextSymbolPos = symbolPosInBuffer[nSym];
1341 assert(nextSymbolPos % ptrSize == 0);
1342 for (
unsigned int pos = 0; pos <
size; pos += ptrSize) {
1345 if (pos == nextSymbolPos) {
1346 printSymbol(nSym, os);
1347 nextSymbolPos = symbolPosInBuffer[++nSym];
1348 assert(nextSymbolPos % ptrSize == 0);
1349 assert(nextSymbolPos >= pos + ptrSize);
1350 }
else if (ptrSize == 4)
1358 if (localDecls.find(f) == localDecls.end())
1361 std::vector<const GlobalVariable *> &gvars = localDecls[
f];
1368 O <<
"\t// demoted variable\n\t";
1369 printModuleLevelGV(GV, O,
true, STI);
1373void NVPTXAsmPrinter::emitPTXAddressSpace(
unsigned int AddressSpace,
1396NVPTXAsmPrinter::getPTXFundamentalTypeStr(
Type *Ty,
bool useB4PTR)
const {
1399 unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth();
1402 else if (NumBits <= 64) {
1403 std::string
name =
"u";
1404 return name + utostr(NumBits);
1422 assert((PtrSize == 64 || PtrSize == 32) &&
"Unexpected pointer size");
1440void NVPTXAsmPrinter::emitPTXGlobalVariable(
const GlobalVariable *GVar,
1453 ".attribute(.managed) requires PTX version >= 4.0 and sm_30");
1455 O <<
" .attribute(.managed)";
1458 O <<
" .align " <<
A->value();
1460 O <<
" .align " << (int)
DL.getPrefTypeAlign(ETy).value();
1472 O << getPTXFundamentalTypeStr(ETy);
1478 int64_t ElementSize = 0;
1488 ElementSize =
DL.getTypeStoreSize(ETy);
1509 unsigned paramIndex = 0;
1515 if (
F->arg_empty() && !
F->isVarArg()) {
1522 for (
I =
F->arg_begin(), E =
F->arg_end();
I != E; ++
I, paramIndex++) {
1523 Type *Ty =
I->getType();
1535 if (hasImageHandles)
1536 O <<
"\t.param .u64 .ptr .surfref ";
1538 O <<
"\t.param .surfref ";
1539 O << TLI->getParamName(F, paramIndex);
1542 if (hasImageHandles)
1543 O <<
"\t.param .u64 .ptr .texref ";
1545 O <<
"\t.param .texref ";
1546 O << TLI->getParamName(F, paramIndex);
1549 if (hasImageHandles)
1550 O <<
"\t.param .u64 .ptr .samplerref ";
1552 O <<
"\t.param .samplerref ";
1553 O << TLI->getParamName(F, paramIndex);
1559 auto getOptimalAlignForParam = [TLI, &
DL, &PAL,
F,
1563 return StackAlign.
value();
1565 Align TypeAlign = TLI->getFunctionParamOptimizedAlign(F, Ty,
DL);
1566 MaybeAlign ParamAlign = PAL.getParamAlignment(paramIndex);
1567 return std::max(TypeAlign, ParamAlign.
valueOrOne());
1570 if (!PAL.hasParamAttr(paramIndex, Attribute::ByVal)) {
1576 Align OptimalAlign = getOptimalAlignForParam(Ty);
1578 O <<
"\t.param .align " << OptimalAlign.
value() <<
" .b8 ";
1579 O << TLI->getParamName(F, paramIndex);
1580 O <<
"[" <<
DL.getTypeAllocSize(Ty) <<
"]";
1585 auto *PTy = dyn_cast<PointerType>(Ty);
1586 unsigned PTySizeInBits = 0;
1589 TLI->getPointerTy(
DL, PTy->getAddressSpace()).getSizeInBits();
1590 assert(PTySizeInBits &&
"Invalid pointer size");
1596 O <<
"\t.param .u" << PTySizeInBits <<
" ";
1600 int addrSpace = PTy->getAddressSpace();
1601 switch (addrSpace) {
1606 O <<
".ptr .const ";
1609 O <<
".ptr .shared ";
1612 O <<
".ptr .global ";
1615 Align ParamAlign =
I->getParamAlign().valueOrOne();
1616 O <<
".align " << ParamAlign.
value() <<
" ";
1618 O << TLI->getParamName(F, paramIndex);
1628 O << getPTXFundamentalTypeStr(Ty);
1630 O << TLI->getParamName(F, paramIndex);
1636 if (isa<IntegerType>(Ty)) {
1637 sz = cast<IntegerType>(Ty)->getBitWidth();
1640 assert(PTySizeInBits &&
"Invalid pointer size");
1645 O <<
"\t.param .b" << sz <<
" ";
1647 O <<
"\t.reg .b" << sz <<
" ";
1648 O << TLI->getParamName(F, paramIndex);
1653 Type *ETy = PAL.getParamByValType(paramIndex);
1654 assert(ETy &&
"Param should have byval type");
1656 if (isABI || isKernelFunc) {
1661 Align OptimalAlign =
1663 ? getOptimalAlignForParam(ETy)
1664 : TLI->getFunctionByValParamAlign(
1665 F, ETy, PAL.getParamAlignment(paramIndex).valueOrOne(),
DL);
1667 unsigned sz =
DL.getTypeAllocSize(ETy);
1668 O <<
"\t.param .align " << OptimalAlign.
value() <<
" .b8 ";
1669 O << TLI->getParamName(F, paramIndex);
1670 O <<
"[" << sz <<
"]";
1679 for (
unsigned i = 0, e = vtparts.
size(); i != e; ++i) {
1681 EVT elemtype = vtparts[i];
1683 elems = vtparts[i].getVectorNumElements();
1684 elemtype = vtparts[i].getVectorElementType();
1687 for (
unsigned j = 0, je = elems;
j != je; ++
j) {
1691 O <<
"\t.reg .b" << sz <<
" ";
1692 O << TLI->getParamName(F, paramIndex);
1705 if (
F->isVarArg()) {
1710 O << TLI->getParamName(F, -1) <<
"[]";
1716void NVPTXAsmPrinter::setAndEmitFunctionVirtualRegisters(
1733 O <<
"\t.reg .b64 \t%SP;\n";
1734 O <<
"\t.reg .b64 \t%SPL;\n";
1736 O <<
"\t.reg .b32 \t%SP;\n";
1737 O <<
"\t.reg .b32 \t%SPL;\n";
1746 for (
unsigned i = 0; i < numVRs; i++) {
1750 int n = regmap.
size();
1751 regmap.
insert(std::make_pair(vr, n + 1));
1766 for (
unsigned i=0; i<
TRI->getNumRegClasses(); i++) {
1771 int n = regmap.
size();
1775 O <<
"\t.reg " << rcname <<
" \t" << rcStr <<
"<" << (n+1)
1786 unsigned int numHex;
1805 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(CPV)) {
1809 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(CPV)) {
1810 printFPConstant(CFP, O);
1813 if (isa<ConstantPointerNull>(CPV)) {
1817 if (
const GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
1818 bool IsNonGenericPointer =
false;
1820 IsNonGenericPointer =
true;
1822 if (EmitGeneric && !isa<Function>(CPV) && !IsNonGenericPointer) {
1831 if (
const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
1832 const MCExpr *E = lowerConstantForGV(cast<Constant>(Cexpr),
false);
1839void NVPTXAsmPrinter::bufferLEByte(
const Constant *CPV,
int Bytes,
1840 AggBuffer *AggBuffer) {
1842 int AllocSize =
DL.getTypeAllocSize(CPV->
getType());
1846 AggBuffer->addZeros(Bytes ? Bytes : AllocSize);
1851 auto AddIntToBuffer = [AggBuffer, Bytes](
const APInt &Val) {
1852 size_t NumBytes = (Val.getBitWidth() + 7) / 8;
1854 for (
unsigned I = 0;
I < NumBytes - 1; ++
I) {
1855 Buf[
I] = Val.extractBitsAsZExtValue(8,
I * 8);
1857 size_t LastBytePosition = (NumBytes - 1) * 8;
1858 size_t LastByteBits = Val.getBitWidth() - LastBytePosition;
1860 Val.extractBitsAsZExtValue(LastByteBits, LastBytePosition);
1861 AggBuffer->addBytes(Buf.data(), NumBytes, Bytes);
1866 if (
const auto CI = dyn_cast<ConstantInt>(CPV)) {
1870 if (
const auto *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
1871 if (
const auto *CI =
1876 if (Cexpr->getOpcode() == Instruction::PtrToInt) {
1877 Value *
V = Cexpr->getOperand(0)->stripPointerCasts();
1878 AggBuffer->addSymbol(V, Cexpr->getOperand(0));
1879 AggBuffer->addZeros(AllocSize);
1890 AddIntToBuffer(cast<ConstantFP>(CPV)->getValueAPF().bitcastToAPInt());
1894 if (
const GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
1895 AggBuffer->addSymbol(GVar, GVar);
1896 }
else if (
const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
1897 const Value *
v = Cexpr->stripPointerCasts();
1898 AggBuffer->addSymbol(v, Cexpr);
1900 AggBuffer->addZeros(AllocSize);
1907 if (isa<ConstantAggregate>(CPV) || isa<ConstantDataSequential>(CPV)) {
1908 bufferAggregateConstant(CPV, AggBuffer);
1909 if (Bytes > AllocSize)
1910 AggBuffer->addZeros(Bytes - AllocSize);
1911 }
else if (isa<ConstantAggregateZero>(CPV))
1912 AggBuffer->addZeros(Bytes);
1923void NVPTXAsmPrinter::bufferAggregateConstant(
const Constant *CPV,
1924 AggBuffer *aggBuffer) {
1929 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(CPV)) {
1931 for (
unsigned I = 0, E =
DL.getTypeAllocSize(CPV->
getType());
I < E; ++
I) {
1933 aggBuffer->addBytes(&Byte, 1, 1);
1940 if (isa<ConstantArray>(CPV) || isa<ConstantVector>(CPV)) {
1943 bufferLEByte(cast<Constant>(CPV->
getOperand(i)), 0, aggBuffer);
1948 dyn_cast<ConstantDataSequential>(CPV)) {
1949 if (CDS->getNumElements())
1950 for (
unsigned i = 0; i < CDS->getNumElements(); ++i)
1951 bufferLEByte(cast<Constant>(CDS->getElementAsConstant(i)), 0,
1956 if (isa<ConstantStruct>(CPV)) {
1961 Bytes =
DL.getStructLayout(ST)->getElementOffset(0) +
1962 DL.getTypeAllocSize(ST) -
1963 DL.getStructLayout(ST)->getElementOffset(i);
1965 Bytes =
DL.getStructLayout(ST)->getElementOffset(i + 1) -
1966 DL.getStructLayout(ST)->getElementOffset(i);
1967 bufferLEByte(cast<Constant>(CPV->
getOperand(i)), Bytes, aggBuffer);
1980NVPTXAsmPrinter::lowerConstantForGV(
const Constant *CV,
bool ProcessingGeneric) {
1986 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(CV))
1989 if (
const GlobalValue *GV = dyn_cast<GlobalValue>(CV)) {
1992 if (ProcessingGeneric) {
2004 switch (
CE->getOpcode()) {
2008 case Instruction::AddrSpaceCast: {
2011 if (DstTy->getAddressSpace() == 0)
2012 return lowerConstantForGV(cast<const Constant>(
CE->getOperand(0)),
true);
2017 case Instruction::GetElementPtr: {
2021 APInt OffsetAI(
DL.getPointerTypeSizeInBits(
CE->getType()), 0);
2022 cast<GEPOperator>(CE)->accumulateConstantOffset(
DL, OffsetAI);
2024 const MCExpr *
Base = lowerConstantForGV(
CE->getOperand(0),
2029 int64_t
Offset = OffsetAI.getSExtValue();
2034 case Instruction::Trunc:
2040 case Instruction::BitCast:
2041 return lowerConstantForGV(
CE->getOperand(0), ProcessingGeneric);
2043 case Instruction::IntToPtr: {
2052 return lowerConstantForGV(
Op, ProcessingGeneric);
2057 case Instruction::PtrToInt: {
2063 Type *Ty =
CE->getType();
2065 const MCExpr *OpExpr = lowerConstantForGV(
Op, ProcessingGeneric);
2069 if (
DL.getTypeAllocSize(Ty) ==
DL.getTypeAllocSize(
Op->getType()))
2075 unsigned InBits =
DL.getTypeAllocSizeInBits(
Op->getType());
2082 case Instruction::Add: {
2083 const MCExpr *
LHS = lowerConstantForGV(
CE->getOperand(0), ProcessingGeneric);
2084 const MCExpr *
RHS = lowerConstantForGV(
CE->getOperand(1), ProcessingGeneric);
2085 switch (
CE->getOpcode()) {
2097 return lowerConstantForGV(
C, ProcessingGeneric);
2102 OS <<
"Unsupported expression in static initializer: ";
2103 CE->printAsOperand(
OS,
false,
2112 return cast<MCTargetExpr>(&Expr)->printImpl(
OS,
MAI);
2114 OS << cast<MCConstantExpr>(Expr).getValue();
2140 if (isa<MCConstantExpr>(BE.
getLHS()) || isa<MCSymbolRefExpr>(BE.
getLHS()) ||
2141 isa<NVPTXGenericMCSymbolRefExpr>(BE.
getLHS())) {
2153 if (RHSC->getValue() < 0) {
2154 OS << RHSC->getValue();
2165 if (isa<MCConstantExpr>(BE.
getRHS()) || isa<MCSymbolRefExpr>(BE.
getRHS())) {
2181bool NVPTXAsmPrinter::PrintAsmOperand(
const MachineInstr *
MI,
unsigned OpNo,
2183 if (ExtraCode && ExtraCode[0]) {
2184 if (ExtraCode[1] != 0)
2187 switch (ExtraCode[0]) {
2196 printOperand(
MI, OpNo, O);
2201bool NVPTXAsmPrinter::PrintAsmMemoryOperand(
const MachineInstr *
MI,
2203 const char *ExtraCode,
2205 if (ExtraCode && ExtraCode[0])
2209 printMemOperand(
MI, OpNo, O);
2215void NVPTXAsmPrinter::printOperand(
const MachineInstr *
MI,
unsigned OpNum,
2221 if (MO.
getReg() == NVPTX::VRDepot)
2226 emitVirtualRegister(MO.
getReg(), O);
2251void NVPTXAsmPrinter::printMemOperand(
const MachineInstr *
MI,
unsigned OpNum,
2253 printOperand(
MI, OpNum, O);
2255 if (Modifier && strcmp(Modifier,
"add") == 0) {
2257 printOperand(
MI, OpNum + 1, O);
2259 if (
MI->getOperand(OpNum + 1).isImm() &&
2260 MI->getOperand(OpNum + 1).getImm() == 0)
2263 printOperand(
MI, OpNum + 1, O);
MachineBasicBlock MachineBasicBlock::iterator DebugLoc DL
static cl::opt< bool > LowerCtorDtor("amdgpu-lower-global-ctor-dtor", cl::desc("Lower GPU ctor / dtors to globals on the device."), cl::init(true), cl::Hidden)
This file declares a class to represent arbitrary precision floating point values and provide a varie...
This file implements a class to represent arbitrary precision integral constant values and operations...
This file contains the simple types necessary to represent the attributes associated with functions a...
static GCRegistry::Add< ErlangGC > A("erlang", "erlang-compatible garbage collector")
#define LLVM_EXTERNAL_VISIBILITY
This file contains the declarations for the subclasses of Constant, which represent the different fla...
Looks at all the uses of the given value Returns the Liveness deduced from the uses of this value Adds all uses that cause the result to be MaybeLive to MaybeLiveRetUses If the result is MaybeLiveUses might be modified but its content should be ignored(since it might not be complete). DeadArgumentEliminationPass
This file defines the DenseMap class.
This file defines the DenseSet and SmallDenseSet classes.
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang", "erlang-compatible garbage collector")
unsigned const TargetRegisterInfo * TRI
Module.h This file contains the declarations for the Module class.
static bool isEmptyXXStructor(GlobalVariable *GV)
static bool usedInOneFunc(const User *U, Function const *&oneFunc)
static void VisitGlobalVariableForEmission(const GlobalVariable *GV, SmallVectorImpl< const GlobalVariable * > &Order, DenseSet< const GlobalVariable * > &Visited, DenseSet< const GlobalVariable * > &Visiting)
VisitGlobalVariableForEmission - Add GV to the list of GlobalVariable instances to be emitted,...
LLVM_EXTERNAL_VISIBILITY void LLVMInitializeNVPTXAsmPrinter()
static bool usedInGlobalVarDef(const Constant *C)
static bool useFuncSeen(const Constant *C, DenseMap< const Function *, bool > &seenMap)
static cl::opt< bool > LowerCtorDtor("nvptx-lower-global-ctor-dtor", cl::desc("Lower GPU ctor / dtors to globals on the device."), cl::init(false), cl::Hidden)
static bool ShouldPassAsArray(Type *Ty)
static void DiscoverDependentGlobals(const Value *V, DenseSet< const GlobalVariable * > &Globals)
DiscoverDependentGlobals - Return a set of GlobalVariables on which V depends.
static bool canDemoteGlobalVar(const GlobalVariable *gv, Function const *&f)
static GCMetadataPrinterRegistry::Add< OcamlGCMetadataPrinter > Y("ocaml", "ocaml 3.10-compatible collector")
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This file defines the SmallString class.
This file defines the SmallVector class.
opStatus convert(const fltSemantics &ToSemantics, roundingMode RM, bool *losesInfo)
APInt bitcastToAPInt() const
Class for arbitrary precision integers.
APInt getLoBits(unsigned numBits) const
Compute an APInt containing numBits lowbits from this APInt.
uint64_t getZExtValue() const
Get zero extended value.
void lshrInPlace(unsigned ShiftAmt)
Logical right-shift this APInt by ShiftAmt in place.
This class represents an incoming formal argument to a Function.
MCSymbol * getSymbol(const GlobalValue *GV) const
void EmitToStreamer(MCStreamer &S, const MCInst &Inst)
TargetMachine & TM
Target machine description.
virtual void PrintSymbolOperand(const MachineOperand &MO, raw_ostream &OS)
Print the MachineOperand as a symbol.
const MCAsmInfo * MAI
Target Asm Printer information.
MachineFunction * MF
The current machine function.
bool doInitialization(Module &M) override
Set up the AsmPrinter when we are working on a new module.
unsigned getFunctionNumber() const
Return a unique ID for the current function.
MCSymbol * CurrentFnSym
The symbol for the current function.
MachineModuleInfo * MMI
This is a pointer to the current MachineModuleInfo.
MCContext & OutContext
This is the context for the output file that we are streaming.
bool doFinalization(Module &M) override
Shut down the asmprinter.
MCSymbol * GetExternalSymbolSymbol(Twine Sym) const
Return the MCSymbol for the specified ExternalSymbol.
virtual void emitBasicBlockStart(const MachineBasicBlock &MBB)
Targets can override this to emit stuff at the start of a basic block.
bool runOnMachineFunction(MachineFunction &MF) override
Emit the specified function out to the OutStreamer.
std::unique_ptr< MCStreamer > OutStreamer
This is the MCStreamer object for the file we are generating.
const DataLayout & getDataLayout() const
Return information about data layout.
void emitInitialRawDwarfLocDirective(const MachineFunction &MF)
Emits inital debug location directive.
const MCSubtargetInfo & getSubtargetInfo() const
Return information about subtarget.
virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, const char *ExtraCode, raw_ostream &OS)
Print the specified operand of MI, an INLINEASM instruction, using the specified assembler variant.
LLVM Basic Block Representation.
const Function * getParent() const
Return the enclosing method, or null if none.
ConstantArray - Constant Array Declarations.
ConstantDataSequential - A vector or array constant whose element type is a simple 1/2/4/8-byte integ...
A constant value that is initialized with an expression using other constant values.
ConstantFP - Floating Point Values [float, double].
const APFloat & getValueAPF() const
This is the shared class of boolean and integer constants.
uint64_t getZExtValue() const
Return the constant as a 64-bit unsigned integer value after it has been zero extended as appropriate...
const APInt & getValue() const
Return the constant as an APInt value reference.
This is an important base class in LLVM.
bool isNullValue() const
Return true if this is the value that would be returned by getNullValue.
This class represents an Operation in the Expression.
A parsed version of the target data layout string in and methods for querying it.
iterator find(const_arg_type_t< KeyT > Val)
bool contains(const_arg_type_t< KeyT > Val) const
Return true if the specified key is in the map, false otherwise.
std::pair< iterator, bool > insert(const std::pair< KeyT, ValueT > &KV)
Implements a dense probed hash-table based set.
DISubprogram * getSubprogram() const
Get the attached subprogram.
const GlobalObject * getAliaseeObject() const
StringRef getSection() const
Get the custom section of this global if it has one.
MaybeAlign getAlign() const
Returns the alignment of the given variable or function.
bool hasSection() const
Check if this global has a custom object file section.
bool hasLinkOnceLinkage() const
bool hasExternalLinkage() const
bool isDeclaration() const
Return true if the primary definition of this global value is outside of the current translation unit...
bool hasLocalLinkage() const
bool hasPrivateLinkage() const
unsigned getAddressSpace() const
Module * getParent()
Get the module that this global value is contained inside of...
PointerType * getType() const
Global values are always pointers.
bool hasWeakLinkage() const
bool hasCommonLinkage() const
bool hasAvailableExternallyLinkage() const
Type * getValueType() const
const Constant * getInitializer() const
getInitializer - Return the initializer for this global variable.
bool hasInitializer() const
Definitions have initializers, declarations don't.
This class describes a target machine that is implemented with the LLVM target-independent code gener...
unsigned getCodePointerSize() const
Get the code pointer size in bytes.
Binary assembler expressions.
const MCExpr * getLHS() const
Get the left-hand side expression of the binary operator.
const MCExpr * getRHS() const
Get the right-hand side expression of the binary operator.
static const MCBinaryExpr * createAnd(const MCExpr *LHS, const MCExpr *RHS, MCContext &Ctx)
static const MCBinaryExpr * createAdd(const MCExpr *LHS, const MCExpr *RHS, MCContext &Ctx)
Opcode getOpcode() const
Get the kind of this binary expression.
static const MCConstantExpr * create(int64_t Value, MCContext &Ctx, bool PrintInHex=false, unsigned SizeInBytes=0)
Context object for machine code objects.
MCSymbol * getOrCreateSymbol(const Twine &Name)
Lookup the symbol inside with the specified Name.
Base class for the full range of assembler expressions which are needed for parsing.
@ Unary
Unary expressions.
@ Constant
Constant expressions.
@ SymbolRef
References to labels and assigned expressions.
@ Target
Target specific expression.
@ Binary
Binary expressions.
Instances of this class represent a single low-level machine instruction.
void addOperand(const MCOperand Op)
void setOpcode(unsigned Op)
Describe properties that are true of each instruction in the target description file.
Instances of this class represent operands of the MCInst class.
static MCOperand createReg(unsigned Reg)
static MCOperand createExpr(const MCExpr *Val)
static MCOperand createImm(int64_t Val)
Represent a reference to a symbol from inside an expression.
const MCSymbol & getSymbol() const
static const MCSymbolRefExpr * create(const MCSymbol *Symbol, MCContext &Ctx)
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
void print(raw_ostream &OS, const MCAsmInfo *MAI) const
print - Print the value to the stream OS.
Unary assembler expressions.
Opcode getOpcode() const
Get the kind of this unary expression.
const MCExpr * getSubExpr() const
Get the child of this unary expression.
MCSymbol * getSymbol() const
Return the MCSymbol for this basic block.
iterator_range< pred_iterator > predecessors()
The MachineFrameInfo class represents an abstract stack frame until prolog/epilog code is inserted.
uint64_t getStackSize() const
Return the number of bytes that must be allocated to hold all of the fixed size frame objects.
Align getMaxAlign() const
Return the alignment in bytes that this function must be aligned to, which is greater than the defaul...
const TargetSubtargetInfo & getSubtarget() const
getSubtarget - Return the subtarget for which this machine code is being compiled.
MachineFrameInfo & getFrameInfo()
getFrameInfo - Return the frame info object for the current function.
MachineRegisterInfo & getRegInfo()
getRegInfo - Return information about the registers currently in use.
Function & getFunction()
Return the LLVM function that this machine code represents.
const LLVMTargetMachine & getTarget() const
getTarget - Return the target machine this machine code is compiled with
Ty * getInfo()
getInfo - Keep track of various per-function pieces of information for backends that would like to do...
Representation of each machine instruction.
bool isLoopHeader(const MachineBasicBlock *BB) const
True if the block is a loop header node.
MachineLoop * getLoopFor(const MachineBasicBlock *BB) const
Return the innermost loop that BB lives in.
bool hasDebugInfo() const
Returns true if valid debug info is present.
MachineOperand class - Representation of each machine instruction operand.
const GlobalValue * getGlobal() const
MachineBasicBlock * getMBB() const
bool isImm() const
isImm - Tests if this is a MO_Immediate operand.
MachineOperandType getType() const
getType - Returns the MachineOperandType for this operand.
const char * getSymbolName() const
Register getReg() const
getReg - Returns the register number.
const ConstantFP * getFPImm() const
@ MO_Immediate
Immediate operand.
@ MO_GlobalAddress
Address of a global value.
@ MO_MachineBasicBlock
MachineBasicBlock reference.
@ MO_Register
Register operand.
@ MO_ExternalSymbol
Name of external global symbol.
@ MO_FPImmediate
Floating-point immediate operand.
const TargetRegisterClass * getRegClass(Register Reg) const
Return the register class of the specified virtual register.
unsigned getNumVirtRegs() const
getNumVirtRegs - Return the number of virtual registers created.
A Module instance is used to store all the information related to an LLVM module.
bool doInitialization(Module &M) override
Set up the AsmPrinter when we are working on a new module.
bool runOnMachineFunction(MachineFunction &F) override
Emit the specified function out to the OutStreamer.
std::string getVirtualRegisterName(unsigned) const
bool doFinalization(Module &M) override
Shut down the asmprinter.
const MCSymbol * getFunctionFrameSymbol() const override
Return symbol for the function pseudo stack if the stack frame is not a register based.
static const NVPTXFloatMCExpr * createConstantBFPHalf(const APFloat &Flt, MCContext &Ctx)
static const NVPTXFloatMCExpr * createConstantFPHalf(const APFloat &Flt, MCContext &Ctx)
static const NVPTXFloatMCExpr * createConstantFPSingle(const APFloat &Flt, MCContext &Ctx)
static const NVPTXFloatMCExpr * createConstantFPDouble(const APFloat &Flt, MCContext &Ctx)
static const NVPTXGenericMCSymbolRefExpr * create(const MCSymbolRefExpr *SymExpr, MCContext &Ctx)
static const char * getRegisterName(MCRegister Reg)
const char * getImageHandleSymbol(unsigned Idx) const
Returns the symbol name at the given index.
const char * getName(unsigned RegNo) const
std::string getTargetName() const
bool hasImageHandles() const
unsigned getMaxRequiredAlignment() const
bool hasMaskOperator() const
const NVPTXTargetLowering * getTargetLowering() const override
unsigned getPTXVersion() const
const NVPTXRegisterInfo * getRegisterInfo() const override
unsigned int getSmVersion() const
NVPTX::DrvInterface getDrvInterface() const
const NVPTXSubtarget * getSubtargetImpl(const Function &) const override
Virtual method implemented by subclasses that returns a reference to that target's TargetSubtargetInf...
UniqueStringSaver & getStrPool() const
Implments NVPTX-specific streamer.
void closeLastSection()
Close last section.
unsigned getAddressSpace() const
Return the address space of the Pointer type.
Wrapper class representing virtual and physical registers.
static Register index2VirtReg(unsigned Index)
Convert a 0-based index to a virtual register number.
constexpr bool isVirtual() const
Return true if the specified register number is in the virtual register namespace.
static constexpr bool isVirtualRegister(unsigned Reg)
Return true if the specified register number is in the virtual register namespace.
constexpr bool isPhysical() const
Return true if the specified register number is in the physical register namespace.
SmallString - A SmallString is just a SmallVector with methods and accessors that make it work better...
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
void push_back(const T &Elt)
This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small.
StringRef - Represent a constant reference to a string, i.e.
bool starts_with(StringRef Prefix) const
Check if this string starts with the given Prefix.
constexpr const char * data() const
data - Get a pointer to the start of the string (which may not be null terminated).
Class to represent struct types.
const STC & getSubtarget(const Function &F) const
This method returns a pointer to the specified type of TargetSubtargetInfo.
unsigned getPointerSizeInBits(unsigned AS) const
TargetRegisterInfo base class - We assume that the target defines a static array of TargetRegisterDes...
virtual const TargetRegisterInfo * getRegisterInfo() const
getRegisterInfo - If register information is available, return it.
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
The instances of the Type class are immutable: once they are created, they are never changed.
bool isVectorTy() const
True if this is an instance of VectorType.
bool isPointerTy() const
True if this is an instance of PointerType.
bool isBFloatTy() const
Return true if this is 'bfloat', a 16-bit bfloat type.
unsigned getPointerAddressSpace() const
Get the address space of this pointer or pointer vector type.
@ HalfTyID
16-bit floating point type
@ VoidTyID
type with no size
@ FloatTyID
32-bit floating point type
@ IntegerTyID
Arbitrary bit width integers.
@ FixedVectorTyID
Fixed width SIMD vector type.
@ BFloatTyID
16-bit floating point type (7-bit significand)
@ DoubleTyID
64-bit floating point type
unsigned getScalarSizeInBits() const LLVM_READONLY
If this is a vector type, return the getPrimitiveSizeInBits value for the element type.
bool isAggregateType() const
Return true if the type is an aggregate type.
bool isHalfTy() const
Return true if this is 'half', a 16-bit IEEE fp type.
bool isFloatingPointTy() const
Return true if this is one of the floating-point types.
bool isIntOrPtrTy() const
Return true if this is an integer type or a pointer type.
bool isIntegerTy() const
True if this is an instance of IntegerType.
TypeID getTypeID() const
Return the type id for the type.
TypeSize getPrimitiveSizeInBits() const LLVM_READONLY
Return the basic size of this type if it is a primitive type.
StringRef save(const char *S)
Value * getOperand(unsigned i) const
unsigned getNumOperands() const
LLVM Value Representation.
Type * getType() const
All values are typed, get the type of this value.
StringRef getName() const
Return a constant reference to the value's name.
std::pair< iterator, bool > insert(const ValueT &V)
bool erase(const ValueT &V)
size_type count(const_arg_type_t< ValueT > V) const
Return 1 if the specified key is in the set, 0 otherwise.
This class implements an extremely fast bulk output stream that can only output to a stream.
A raw_ostream that writes to an std::string.
A raw_ostream that writes to an SmallVector or SmallString.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
@ C
The default llvm calling convention, compatible with C.
LegalityPredicate isVector(unsigned TypeIdx)
True iff the specified type index is a vector.
@ CE
Windows NT (Windows on ARM)
Reg
All possible values of the reg field in the ModR/M byte.
initializer< Ty > init(const Ty &Val)
uint64_t read64le(const void *P)
uint32_t read32le(const void *P)
This is an optimization pass for GlobalISel generic memory operations.
bool shouldEmitPTXNoReturn(const Value *V, const TargetMachine &TM)
auto size(R &&Range, std::enable_if_t< std::is_base_of< std::random_access_iterator_tag, typename std::iterator_traits< decltype(Range.begin())>::iterator_category >::value, void > *=nullptr)
Get the size of a range.
std::string getSamplerName(const Value &val)
bool getMinCTASm(const Function &F, unsigned &x)
std::string getNVPTXRegClassName(TargetRegisterClass const *RC)
bool isImage(const Value &val)
MaybeAlign getAlign(const Function &F, unsigned Index)
bool getMaxNTIDz(const Function &F, unsigned &z)
Constant * ConstantFoldConstant(const Constant *C, const DataLayout &DL, const TargetLibraryInfo *TLI=nullptr)
ConstantFoldConstant - Fold the constant using the specified DataLayout.
bool isManaged(const Value &val)
unsigned promoteScalarArgumentSize(unsigned size)
bool isSurface(const Value &val)
void clearAnnotationCache(const Module *Mod)
void report_fatal_error(Error Err, bool gen_crash_diag=true)
Report a serious error, calling any installed error handler.
std::string getSurfaceName(const Value &val)
bool getReqNTIDx(const Function &F, unsigned &x)
bool getReqNTIDy(const Function &F, unsigned &y)
FormattedNumber format_hex_no_prefix(uint64_t N, unsigned Width, bool Upper=false)
format_hex_no_prefix - Output N as a fixed width hexadecimal.
bool getMaxNReg(const Function &F, unsigned &x)
bool isTexture(const Value &val)
bool isImageWriteOnly(const Value &val)
bool isImageReadWrite(const Value &val)
void write_hex(raw_ostream &S, uint64_t N, HexPrintStyle Style, std::optional< size_t > Width=std::nullopt)
std::string getTextureName(const Value &val)
void ComputeValueVTs(const TargetLowering &TLI, const DataLayout &DL, Type *Ty, SmallVectorImpl< EVT > &ValueVTs, SmallVectorImpl< EVT > *MemVTs, SmallVectorImpl< TypeSize > *Offsets=nullptr, TypeSize StartingOffset=TypeSize::getZero())
ComputeValueVTs - Given an LLVM IR type, compute a sequence of EVTs that represent all the individual...
std::string getNVPTXRegClassStr(TargetRegisterClass const *RC)
Target & getTheNVPTXTarget64()
bool isKernelFunction(const Function &F)
bool getReqNTIDz(const Function &F, unsigned &z)
bool getMaxNTIDx(const Function &F, unsigned &x)
bool getMaxNTIDy(const Function &F, unsigned &y)
bool isSampler(const Value &val)
Constant * ConstantFoldIntegerCast(Constant *C, Type *DestTy, bool IsSigned, const DataLayout &DL)
Constant fold a zext, sext or trunc, depending on IsSigned and whether the DestTy is wider or narrowe...
bool getMaxClusterRank(const Function &F, unsigned &x)
MDNode * GetUnrollMetadata(MDNode *LoopID, StringRef Name)
Given an llvm.loop loop id metadata node, returns the loop hint metadata node with the given name (fo...
Target & getTheNVPTXTarget32()
static const fltSemantics & IEEEsingle() LLVM_READNONE
static constexpr roundingMode rmNearestTiesToEven
static const fltSemantics & IEEEdouble() LLVM_READNONE
This struct is a compact representation of a valid (non-zero power of two) alignment.
uint64_t value() const
This is a hole in the type system and should not be abused.
TypeSize getSizeInBits() const
Return the size of the specified value type in bits.
bool isInteger() const
Return true if this is an integer or a vector integer type.
This struct is a compact representation of a valid (power of two) or undefined (0) alignment.
Align valueOrOne() const
For convenience, returns a valid alignment or 1 if undefined.
RegisterAsmPrinter - Helper template for registering a target specific assembly printer,...