97 cl::desc(
"Lower GPU ctor / dtors to globals on the device."),
100#define DEPOTNAME "__local_depot"
110 if (
const User *U = dyn_cast<User>(V)) {
111 for (
unsigned i = 0, e = U->getNumOperands(); i != e; ++i) {
127 if (Visited.
count(GV))
131 if (!Visiting.
insert(GV).second)
149 NVPTX_MC::verifyInstructionPredicates(
MI->getOpcode(),
153 lowerToMCInst(
MI, Inst);
158bool NVPTXAsmPrinter::lowerImageHandleOperand(
const MachineInstr *
MI,
166 if (OpNo == 4 && MO.
isImm()) {
167 lowerImageHandleSymbol(MO.
getImm(), MCOp);
171 lowerImageHandleSymbol(MO.
getImm(), MCOp);
181 if (OpNo == VecSize && MO.
isImm()) {
182 lowerImageHandleSymbol(MO.
getImm(), MCOp);
189 if (OpNo == 0 && MO.
isImm()) {
190 lowerImageHandleSymbol(MO.
getImm(), MCOp);
197 if (OpNo == 1 && MO.
isImm()) {
198 lowerImageHandleSymbol(MO.
getImm(), MCOp);
208void NVPTXAsmPrinter::lowerImageHandleSymbol(
unsigned Index,
MCOperand &MCOp) {
221 if (
MI->getOpcode() == NVPTX::CALL_PROTOTYPE) {
229 for (
unsigned i = 0, e =
MI->getNumOperands(); i !=
e; ++i) {
234 if (lowerImageHandleOperand(
MI, i, MCOp)) {
240 if (lowerOperand(MO, MCOp))
294unsigned NVPTXAsmPrinter::encodeVirtualRegister(
unsigned Reg) {
299 unsigned RegNum = RegMap[
Reg];
304 if (RC == &NVPTX::Int1RegsRegClass) {
306 }
else if (RC == &NVPTX::Int16RegsRegClass) {
308 }
else if (RC == &NVPTX::Int32RegsRegClass) {
310 }
else if (RC == &NVPTX::Int64RegsRegClass) {
312 }
else if (RC == &NVPTX::Float32RegsRegClass) {
314 }
else if (RC == &NVPTX::Float64RegsRegClass) {
321 Ret |= (RegNum & 0x0FFFFFFF);
326 return Reg & 0x0FFFFFFF;
347 Type *Ty =
F->getReturnType();
359 if (
auto *ITy = dyn_cast<IntegerType>(Ty)) {
360 size = ITy->getBitWidth();
366 O <<
".param .b" <<
size <<
" func_retval0";
367 }
else if (isa<PointerType>(Ty)) {
368 O <<
".param .b" << TLI->getPointerTy(
DL).getSizeInBits()
371 unsigned totalsz =
DL.getTypeAllocSize(Ty);
372 unsigned retAlignment = 0;
374 retAlignment = TLI->getFunctionParamOptimizedAlign(F, Ty,
DL).value();
375 O <<
".param .align " << retAlignment <<
" .b8 func_retval0[" << totalsz
383 for (
unsigned i = 0, e = vtparts.
size(); i != e; ++i) {
385 EVT elemtype = vtparts[i];
387 elems = vtparts[i].getVectorNumElements();
388 elemtype = vtparts[i].getVectorElementType();
391 for (
unsigned j = 0, je = elems;
j != je; ++
j) {
395 O <<
".reg .b" << sz <<
" func_retval" << idx;
410 printReturnValStr(&F, O);
415bool NVPTXAsmPrinter::isLoopHeaderOfNoUnroll(
430 if (
const BasicBlock *PBB = PMBB->getBasicBlock()) {
432 PBB->getTerminator()->getMetadata(LLVMContext::MD_loop)) {
435 if (
MDNode *UnrollCountMD =
437 if (mdconst::extract<ConstantInt>(UnrollCountMD->getOperand(1))
449 if (isLoopHeaderOfNoUnroll(
MBB))
453void NVPTXAsmPrinter::emitFunctionEntryLabel() {
457 if (!GlobalsEmitted) {
459 GlobalsEmitted =
true;
465 emitLinkageDirective(F, O);
470 printReturnValStr(*
MF, O);
475 emitFunctionParamList(F, O);
479 emitKernelFunctionDirectives(*F, O);
489 setAndEmitFunctionVirtualRegisters(*
MF);
506void NVPTXAsmPrinter::emitFunctionBodyStart() {
513void NVPTXAsmPrinter::emitFunctionBodyEnd() {
523void NVPTXAsmPrinter::emitImplicitDef(
const MachineInstr *
MI)
const {
536void NVPTXAsmPrinter::emitKernelFunctionDirectives(
const Function &
F,
541 unsigned Reqntidx, Reqntidy, Reqntidz;
542 Reqntidx = Reqntidy = Reqntidz = 1;
543 bool ReqSpecified =
false;
549 O <<
".reqntid " << Reqntidx <<
", " << Reqntidy <<
", " << Reqntidz
555 unsigned Maxntidx, Maxntidy, Maxntidz;
556 Maxntidx = Maxntidy = Maxntidz = 1;
557 bool MaxSpecified =
false;
563 O <<
".maxntid " << Maxntidx <<
", " << Maxntidy <<
", " << Maxntidz
568 O <<
".minnctapersm " << Mincta <<
"\n";
570 unsigned Maxnreg = 0;
572 O <<
".maxnreg " << Maxnreg <<
"\n";
578 unsigned Maxclusterrank = 0;
580 O <<
".maxclusterrank " << Maxclusterrank <<
"\n";
590 assert(
I != VRegMapping.
end() &&
"Bad register class");
594 assert(VI != RegMap.
end() &&
"Bad virtual register");
595 unsigned MappedVR = VI->second;
603void NVPTXAsmPrinter::emitVirtualRegister(
unsigned int vr,
609 emitLinkageDirective(F, O);
614 printReturnValStr(F, O);
617 emitFunctionParamList(F, O);
629 return GV->getName() !=
"llvm.used";
632 for (
const User *U :
C->users())
633 if (
const Constant *
C = dyn_cast<Constant>(U))
641 if (
const GlobalVariable *othergv = dyn_cast<GlobalVariable>(U)) {
642 if (othergv->getName() ==
"llvm.used")
647 if (
instr->getParent() &&
instr->getParent()->getParent()) {
649 if (oneFunc && (curFunc != oneFunc))
657 for (
const User *UU : U->users())
691 for (
const User *U :
C->users()) {
692 if (
const Constant *cu = dyn_cast<Constant>(U)) {
695 }
else if (
const Instruction *
I = dyn_cast<Instruction>(U)) {
712 if (
F.getAttributes().hasFnAttr(
"nvptx-libcall-callee")) {
713 emitDeclaration(&F, O);
717 if (
F.isDeclaration()) {
720 if (
F.getIntrinsicID())
722 emitDeclaration(&F, O);
725 for (
const User *U :
F.users()) {
726 if (
const Constant *
C = dyn_cast<Constant>(U)) {
731 emitDeclaration(&F, O);
737 emitDeclaration(&F, O);
742 if (!isa<Instruction>(U))
756 emitDeclaration(&F, O);
765 if (!GV)
return true;
767 if (!InitList)
return true;
771void NVPTXAsmPrinter::emitStartOfAsmFile(
Module &M) {
781 emitHeader(M, OS1, *STI);
793 bool IsOpenMP = M.getModuleFlag(
"openmp") !=
nullptr;
798 "Module has a nontrivial global ctor, which NVPTX does not support.");
804 "Module has a nontrivial global dtor, which NVPTX does not support.");
811 GlobalsEmitted =
false;
816void NVPTXAsmPrinter::emitGlobals(
const Module &M) {
820 emitDeclarations(M, OS2);
835 assert(GVVisited.
size() == M.global_size() &&
"Missed a global variable");
836 assert(GVVisiting.
size() == 0 &&
"Did not fully process a global variable");
843 for (
unsigned i = 0, e = Globals.
size(); i != e; ++i)
844 printModuleLevelGV(Globals[i], OS2,
false, STI);
865 emitLinkageDirective(F,
OS);
867 printReturnValStr(F,
OS);
869 emitFunctionParamList(F,
OS);
874 OS <<
".alias " <<
Name->getName() <<
", " <<
F->getName() <<
";\n";
882 O <<
"// Generated by LLVM NVPTX Back-End\n";
887 O <<
".version " << (PTXVersion / 10) <<
"." << (PTXVersion % 10) <<
"\n";
894 O <<
", texmode_independent";
896 bool HasFullDebugInfo =
false;
898 switch(
CU->getEmissionKind()) {
904 HasFullDebugInfo =
true;
907 if (HasFullDebugInfo)
915 O <<
".address_size ";
930 if (!GlobalsEmitted) {
932 GlobalsEmitted =
true;
938 emitGlobalAlias(M, Alias);
943 A->eraseFromParent();
956 OutStreamer->emitRawText(
"\t.section\t.debug_loc\t{\t}");
960 TS->outputDwarfFileDirectives();
978void NVPTXAsmPrinter::emitLinkageDirective(
const GlobalValue *V,
981 if (V->hasExternalLinkage()) {
982 if (isa<GlobalVariable>(V)) {
990 }
else if (
V->isDeclaration())
994 }
else if (
V->hasAppendingLinkage()) {
996 msg.append(
"Error: ");
997 msg.append(
"Symbol ");
999 msg.append(std::string(
V->getName()));
1000 msg.append(
"has unsupported appending linkage type");
1002 }
else if (!
V->hasInternalLinkage() &&
1003 !
V->hasPrivateLinkage()) {
1009void NVPTXAsmPrinter::printModuleLevelGV(
const GlobalVariable *GVar,
1054 emitPTXGlobalVariable(GVar, O, STI);
1062 const Constant *Initializer =
nullptr;
1067 CI = dyn_cast<ConstantInt>(Initializer);
1076 O <<
"addr_mode_" << i <<
" = ";
1082 O <<
"clamp_to_border";
1085 O <<
"clamp_to_edge";
1096 O <<
"filter_mode = ";
1111 O <<
", force_unnormalized_coords = 1";
1121 if (strncmp(GVar->
getName().
data(),
"unrollpragma", 12) == 0)
1125 if (strncmp(GVar->
getName().
data(),
"filename", 8) == 0)
1131 const Function *demotedFunc =
nullptr;
1133 O <<
"// " << GVar->
getName() <<
" has been demoted\n";
1134 if (localDecls.find(demotedFunc) != localDecls.end())
1135 localDecls[demotedFunc].push_back(GVar);
1137 std::vector<const GlobalVariable *> temp;
1138 temp.push_back(GVar);
1139 localDecls[demotedFunc] = temp;
1145 emitPTXAddressSpace(PTy->getAddressSpace(), O);
1150 ".attribute(.managed) requires PTX version >= 4.0 and sm_30");
1152 O <<
" .attribute(.managed)";
1156 O <<
" .align " <<
A->value();
1158 O <<
" .align " << (int)
DL.getPrefTypeAlign(ETy).value();
1167 O << getPTXFundamentalTypeStr(ETy,
false);
1178 if (!Initializer->
isNullValue() && !isa<UndefValue>(Initializer)) {
1180 printScalarConstant(Initializer, O);
1189 "' is not allowed in addrspace(" +
1190 Twine(PTy->getAddressSpace()) +
")");
1206 ElementSize =
DL.getTypeStoreSize(ETy);
1213 if (!isa<UndefValue>(Initializer) && !Initializer->
isNullValue()) {
1214 AggBuffer aggBuffer(ElementSize, *
this);
1215 bufferAggregateConstant(Initializer, &aggBuffer);
1216 if (aggBuffer.numSymbols()) {
1218 if (ElementSize % ptrSize ||
1219 !aggBuffer.allSymbolsAligned(ptrSize)) {
1223 "initialized packed aggregate with pointers '" +
1225 "' requires at least PTX ISA version 7.1");
1228 O <<
"[" << ElementSize <<
"] = {";
1229 aggBuffer.printBytes(O);
1232 O <<
" .u" << ptrSize * 8 <<
" ";
1234 O <<
"[" << ElementSize / ptrSize <<
"] = {";
1235 aggBuffer.printWords(O);
1241 O <<
"[" << ElementSize <<
"] = {";
1242 aggBuffer.printBytes(O);
1271void NVPTXAsmPrinter::AggBuffer::printSymbol(
unsigned nSym,
raw_ostream &os) {
1272 const Value *
v = Symbols[nSym];
1273 const Value *v0 = SymbolsBeforeStripping[nSym];
1274 if (
const GlobalValue *GVar = dyn_cast<GlobalValue>(v)) {
1278 bool isGenericPointer = PTy && PTy->getAddressSpace() == 0;
1279 if (EmitGeneric && isGenericPointer && !isa<Function>(v)) {
1281 Name->print(os, AP.MAI);
1284 Name->print(os, AP.MAI);
1286 }
else if (
const ConstantExpr *CExpr = dyn_cast<ConstantExpr>(v0)) {
1287 const MCExpr *Expr = AP.lowerConstantForGV(cast<Constant>(CExpr),
false);
1288 AP.printMCExpr(*Expr, os);
1293void NVPTXAsmPrinter::AggBuffer::printBytes(
raw_ostream &os) {
1294 unsigned int ptrSize = AP.MAI->getCodePointerSize();
1295 symbolPosInBuffer.push_back(size);
1296 unsigned int nSym = 0;
1297 unsigned int nextSymbolPos = symbolPosInBuffer[nSym];
1298 for (
unsigned int pos = 0; pos <
size;) {
1301 if (pos != nextSymbolPos) {
1302 os << (
unsigned int)buffer[pos];
1309 std::string symText;
1311 printSymbol(nSym, oss);
1312 for (
unsigned i = 0; i < ptrSize; ++i) {
1316 os <<
"(" << symText <<
")";
1319 nextSymbolPos = symbolPosInBuffer[++nSym];
1320 assert(nextSymbolPos >= pos);
1324void NVPTXAsmPrinter::AggBuffer::printWords(
raw_ostream &os) {
1325 unsigned int ptrSize = AP.MAI->getCodePointerSize();
1326 symbolPosInBuffer.push_back(size);
1327 unsigned int nSym = 0;
1328 unsigned int nextSymbolPos = symbolPosInBuffer[nSym];
1329 assert(nextSymbolPos % ptrSize == 0);
1330 for (
unsigned int pos = 0; pos <
size; pos += ptrSize) {
1333 if (pos == nextSymbolPos) {
1334 printSymbol(nSym, os);
1335 nextSymbolPos = symbolPosInBuffer[++nSym];
1336 assert(nextSymbolPos % ptrSize == 0);
1337 assert(nextSymbolPos >= pos + ptrSize);
1338 }
else if (ptrSize == 4)
1346 if (localDecls.find(f) == localDecls.end())
1349 std::vector<const GlobalVariable *> &gvars = localDecls[
f];
1356 O <<
"\t// demoted variable\n\t";
1357 printModuleLevelGV(GV, O,
true, STI);
1361void NVPTXAsmPrinter::emitPTXAddressSpace(
unsigned int AddressSpace,
1384NVPTXAsmPrinter::getPTXFundamentalTypeStr(
Type *Ty,
bool useB4PTR)
const {
1387 unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth();
1390 else if (NumBits <= 64) {
1391 std::string
name =
"u";
1392 return name + utostr(NumBits);
1410 assert((PtrSize == 64 || PtrSize == 32) &&
"Unexpected pointer size");
1428void NVPTXAsmPrinter::emitPTXGlobalVariable(
const GlobalVariable *GVar,
1441 ".attribute(.managed) requires PTX version >= 4.0 and sm_30");
1443 O <<
" .attribute(.managed)";
1446 O <<
" .align " <<
A->value();
1448 O <<
" .align " << (int)
DL.getPrefTypeAlign(ETy).value();
1460 O << getPTXFundamentalTypeStr(ETy);
1466 int64_t ElementSize = 0;
1476 ElementSize =
DL.getTypeStoreSize(ETy);
1497 unsigned paramIndex = 0;
1503 if (
F->arg_empty() && !
F->isVarArg()) {
1510 for (
I =
F->arg_begin(),
E =
F->arg_end();
I !=
E; ++
I, paramIndex++) {
1511 Type *Ty =
I->getType();
1522 std::string sname = std::string(
I->getName());
1524 if (hasImageHandles)
1525 O <<
"\t.param .u64 .ptr .surfref ";
1527 O <<
"\t.param .surfref ";
1528 O << TLI->getParamName(F, paramIndex);
1531 if (hasImageHandles)
1532 O <<
"\t.param .u64 .ptr .texref ";
1534 O <<
"\t.param .texref ";
1535 O << TLI->getParamName(F, paramIndex);
1538 if (hasImageHandles)
1539 O <<
"\t.param .u64 .ptr .samplerref ";
1541 O <<
"\t.param .samplerref ";
1542 O << TLI->getParamName(F, paramIndex);
1548 auto getOptimalAlignForParam = [TLI, &
DL, &PAL,
F,
1550 Align TypeAlign = TLI->getFunctionParamOptimizedAlign(F, Ty,
DL);
1551 MaybeAlign ParamAlign = PAL.getParamAlignment(paramIndex);
1552 return std::max(TypeAlign, ParamAlign.
valueOrOne());
1555 if (!PAL.hasParamAttr(paramIndex, Attribute::ByVal)) {
1561 Align OptimalAlign = getOptimalAlignForParam(Ty);
1563 O <<
"\t.param .align " << OptimalAlign.
value() <<
" .b8 ";
1564 O << TLI->getParamName(F, paramIndex);
1565 O <<
"[" <<
DL.getTypeAllocSize(Ty) <<
"]";
1570 auto *PTy = dyn_cast<PointerType>(Ty);
1571 unsigned PTySizeInBits = 0;
1574 TLI->getPointerTy(
DL, PTy->getAddressSpace()).getSizeInBits();
1575 assert(PTySizeInBits &&
"Invalid pointer size");
1581 O <<
"\t.param .u" << PTySizeInBits <<
" ";
1585 int addrSpace = PTy->getAddressSpace();
1586 switch (addrSpace) {
1591 O <<
".ptr .const ";
1594 O <<
".ptr .shared ";
1597 O <<
".ptr .global ";
1600 Align ParamAlign =
I->getParamAlign().valueOrOne();
1601 O <<
".align " << ParamAlign.
value() <<
" ";
1603 O << TLI->getParamName(F, paramIndex);
1613 O << getPTXFundamentalTypeStr(Ty);
1615 O << TLI->getParamName(F, paramIndex);
1621 if (isa<IntegerType>(Ty)) {
1622 sz = cast<IntegerType>(Ty)->getBitWidth();
1625 assert(PTySizeInBits &&
"Invalid pointer size");
1630 O <<
"\t.param .b" << sz <<
" ";
1632 O <<
"\t.reg .b" << sz <<
" ";
1633 O << TLI->getParamName(F, paramIndex);
1638 Type *ETy = PAL.getParamByValType(paramIndex);
1639 assert(ETy &&
"Param should have byval type");
1641 if (isABI || isKernelFunc) {
1646 Align OptimalAlign =
1648 ? getOptimalAlignForParam(ETy)
1649 : TLI->getFunctionByValParamAlign(
1650 F, ETy, PAL.getParamAlignment(paramIndex).valueOrOne(),
DL);
1652 unsigned sz =
DL.getTypeAllocSize(ETy);
1653 O <<
"\t.param .align " << OptimalAlign.
value() <<
" .b8 ";
1654 O << TLI->getParamName(F, paramIndex);
1655 O <<
"[" << sz <<
"]";
1664 for (
unsigned i = 0, e = vtparts.
size(); i != e; ++i) {
1666 EVT elemtype = vtparts[i];
1668 elems = vtparts[i].getVectorNumElements();
1669 elemtype = vtparts[i].getVectorElementType();
1672 for (
unsigned j = 0, je = elems;
j != je; ++
j) {
1676 O <<
"\t.reg .b" << sz <<
" ";
1677 O << TLI->getParamName(F, paramIndex);
1690 if (
F->isVarArg()) {
1695 O << TLI->getParamName(F, -1) <<
"[]";
1701void NVPTXAsmPrinter::setAndEmitFunctionVirtualRegisters(
1718 O <<
"\t.reg .b64 \t%SP;\n";
1719 O <<
"\t.reg .b64 \t%SPL;\n";
1721 O <<
"\t.reg .b32 \t%SP;\n";
1722 O <<
"\t.reg .b32 \t%SPL;\n";
1731 for (
unsigned i = 0; i < numVRs; i++) {
1735 int n = regmap.
size();
1736 regmap.
insert(std::make_pair(vr, n + 1));
1751 for (
unsigned i=0; i<
TRI->getNumRegClasses(); i++) {
1756 int n = regmap.
size();
1760 O <<
"\t.reg " << rcname <<
" \t" << rcStr <<
"<" << (n+1)
1771 unsigned int numHex;
1790 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(CPV)) {
1794 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(CPV)) {
1795 printFPConstant(CFP, O);
1798 if (isa<ConstantPointerNull>(CPV)) {
1802 if (
const GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
1803 bool IsNonGenericPointer =
false;
1805 IsNonGenericPointer =
true;
1807 if (EmitGeneric && !isa<Function>(CPV) && !IsNonGenericPointer) {
1816 if (
const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
1817 const MCExpr *
E = lowerConstantForGV(cast<Constant>(Cexpr),
false);
1824void NVPTXAsmPrinter::bufferLEByte(
const Constant *CPV,
int Bytes,
1825 AggBuffer *AggBuffer) {
1827 int AllocSize =
DL.getTypeAllocSize(CPV->
getType());
1831 AggBuffer->addZeros(Bytes ? Bytes : AllocSize);
1836 auto AddIntToBuffer = [AggBuffer, Bytes](
const APInt &Val) {
1837 size_t NumBytes = (Val.getBitWidth() + 7) / 8;
1839 for (
unsigned I = 0;
I < NumBytes; ++
I) {
1840 Buf[
I] = Val.extractBitsAsZExtValue(8,
I * 8);
1842 AggBuffer->addBytes(Buf.data(), NumBytes, Bytes);
1847 if (
const auto CI = dyn_cast<ConstantInt>(CPV)) {
1851 if (
const auto *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
1852 if (
const auto *CI =
1857 if (Cexpr->getOpcode() == Instruction::PtrToInt) {
1858 Value *
V = Cexpr->getOperand(0)->stripPointerCasts();
1859 AggBuffer->addSymbol(V, Cexpr->getOperand(0));
1860 AggBuffer->addZeros(AllocSize);
1871 AddIntToBuffer(cast<ConstantFP>(CPV)->getValueAPF().bitcastToAPInt());
1875 if (
const GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
1876 AggBuffer->addSymbol(GVar, GVar);
1877 }
else if (
const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
1878 const Value *
v = Cexpr->stripPointerCasts();
1879 AggBuffer->addSymbol(v, Cexpr);
1881 AggBuffer->addZeros(AllocSize);
1888 if (isa<ConstantAggregate>(CPV) || isa<ConstantDataSequential>(CPV)) {
1889 bufferAggregateConstant(CPV, AggBuffer);
1890 if (Bytes > AllocSize)
1891 AggBuffer->addZeros(Bytes - AllocSize);
1892 }
else if (isa<ConstantAggregateZero>(CPV))
1893 AggBuffer->addZeros(Bytes);
1904void NVPTXAsmPrinter::bufferAggregateConstant(
const Constant *CPV,
1905 AggBuffer *aggBuffer) {
1910 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(CPV)) {
1912 for (
unsigned I = 0,
E =
DL.getTypeAllocSize(CPV->
getType());
I <
E; ++
I) {
1914 aggBuffer->addBytes(&Byte, 1, 1);
1921 if (isa<ConstantArray>(CPV) || isa<ConstantVector>(CPV)) {
1924 bufferLEByte(cast<Constant>(CPV->
getOperand(i)), 0, aggBuffer);
1929 dyn_cast<ConstantDataSequential>(CPV)) {
1930 if (CDS->getNumElements())
1931 for (
unsigned i = 0; i < CDS->getNumElements(); ++i)
1932 bufferLEByte(cast<Constant>(CDS->getElementAsConstant(i)), 0,
1937 if (isa<ConstantStruct>(CPV)) {
1942 Bytes =
DL.getStructLayout(ST)->getElementOffset(0) +
1943 DL.getTypeAllocSize(ST) -
1944 DL.getStructLayout(ST)->getElementOffset(i);
1946 Bytes =
DL.getStructLayout(ST)->getElementOffset(i + 1) -
1947 DL.getStructLayout(ST)->getElementOffset(i);
1948 bufferLEByte(cast<Constant>(CPV->
getOperand(i)), Bytes, aggBuffer);
1961NVPTXAsmPrinter::lowerConstantForGV(
const Constant *CV,
bool ProcessingGeneric) {
1967 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(CV))
1970 if (
const GlobalValue *GV = dyn_cast<GlobalValue>(CV)) {
1973 if (ProcessingGeneric) {
1985 switch (
CE->getOpcode()) {
1989 case Instruction::AddrSpaceCast: {
1992 if (DstTy->getAddressSpace() == 0)
1993 return lowerConstantForGV(cast<const Constant>(
CE->getOperand(0)),
true);
1998 case Instruction::GetElementPtr: {
2002 APInt OffsetAI(
DL.getPointerTypeSizeInBits(
CE->getType()), 0);
2003 cast<GEPOperator>(CE)->accumulateConstantOffset(
DL, OffsetAI);
2005 const MCExpr *
Base = lowerConstantForGV(
CE->getOperand(0),
2010 int64_t
Offset = OffsetAI.getSExtValue();
2015 case Instruction::Trunc:
2021 case Instruction::BitCast:
2022 return lowerConstantForGV(
CE->getOperand(0), ProcessingGeneric);
2024 case Instruction::IntToPtr: {
2033 return lowerConstantForGV(
Op, ProcessingGeneric);
2038 case Instruction::PtrToInt: {
2044 Type *Ty =
CE->getType();
2046 const MCExpr *OpExpr = lowerConstantForGV(
Op, ProcessingGeneric);
2050 if (
DL.getTypeAllocSize(Ty) ==
DL.getTypeAllocSize(
Op->getType()))
2056 unsigned InBits =
DL.getTypeAllocSizeInBits(
Op->getType());
2063 case Instruction::Add: {
2064 const MCExpr *
LHS = lowerConstantForGV(
CE->getOperand(0), ProcessingGeneric);
2065 const MCExpr *
RHS = lowerConstantForGV(
CE->getOperand(1), ProcessingGeneric);
2066 switch (
CE->getOpcode()) {
2078 return lowerConstantForGV(
C, ProcessingGeneric);
2083 OS <<
"Unsupported expression in static initializer: ";
2084 CE->printAsOperand(
OS,
false,
2093 return cast<MCTargetExpr>(&Expr)->printImpl(
OS,
MAI);
2095 OS << cast<MCConstantExpr>(Expr).getValue();
2121 if (isa<MCConstantExpr>(BE.
getLHS()) || isa<MCSymbolRefExpr>(BE.
getLHS()) ||
2122 isa<NVPTXGenericMCSymbolRefExpr>(BE.
getLHS())) {
2134 if (RHSC->getValue() < 0) {
2135 OS << RHSC->getValue();
2146 if (isa<MCConstantExpr>(BE.
getRHS()) || isa<MCSymbolRefExpr>(BE.
getRHS())) {
2162bool NVPTXAsmPrinter::PrintAsmOperand(
const MachineInstr *
MI,
unsigned OpNo,
2164 if (ExtraCode && ExtraCode[0]) {
2165 if (ExtraCode[1] != 0)
2168 switch (ExtraCode[0]) {
2177 printOperand(
MI, OpNo, O);
2182bool NVPTXAsmPrinter::PrintAsmMemoryOperand(
const MachineInstr *
MI,
2184 const char *ExtraCode,
2186 if (ExtraCode && ExtraCode[0])
2190 printMemOperand(
MI, OpNo, O);
2196void NVPTXAsmPrinter::printOperand(
const MachineInstr *
MI,
unsigned OpNum,
2202 if (MO.
getReg() == NVPTX::VRDepot)
2207 emitVirtualRegister(MO.
getReg(), O);
2232void NVPTXAsmPrinter::printMemOperand(
const MachineInstr *
MI,
unsigned OpNum,
2234 printOperand(
MI, OpNum, O);
2236 if (Modifier && strcmp(Modifier,
"add") == 0) {
2238 printOperand(
MI, OpNum + 1, O);
2240 if (
MI->getOperand(OpNum + 1).isImm() &&
2241 MI->getOperand(OpNum + 1).getImm() == 0)
2244 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")
static GCRegistry::Add< CoreCLRGC > E("coreclr", "CoreCLR-compatible GC")
#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(StringRef 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.
const Constant * getAliasee() 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
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 startswith(StringRef Prefix) const
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.
void ComputeValueVTs(const TargetLowering &TLI, const DataLayout &DL, Type *Ty, SmallVectorImpl< EVT > &ValueVTs, SmallVectorImpl< TypeSize > *Offsets, TypeSize StartingOffset)
ComputeValueVTs - Given an LLVM IR type, compute a sequence of EVTs that represent all the individual...
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 getAlign(const Function &F, unsigned index, unsigned &align)
bool getMinCTASm(const Function &F, unsigned &x)
std::string getNVPTXRegClassName(TargetRegisterClass const *RC)
bool isImage(const Value &val)
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)
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,...