1 //===- CodeGenTarget.cpp - CodeGen Target Class Wrapper ---------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This class wrap target description classes used by the various code
11 // generation TableGen backends. This makes it easier to access the data and
12 // provides a single place that needs to check it for validity. All of these
13 // classes throw exceptions on error conditions.
15 //===----------------------------------------------------------------------===//
17 #include "CodeGenTarget.h"
18 #include "CodeGenIntrinsics.h"
20 #include "llvm/ADT/StringExtras.h"
21 #include "llvm/Support/CommandLine.h"
22 #include "llvm/Support/Streams.h"
27 static cl::opt<unsigned>
28 AsmWriterNum("asmwriternum", cl::init(0),
29 cl::desc("Make -gen-asm-writer emit assembly writer #N"));
31 /// getValueType - Return the MCV::ValueType that the specified TableGen record
33 MVT::ValueType llvm::getValueType(Record *Rec, const CodeGenTarget *CGT) {
34 return (MVT::ValueType)Rec->getValueAsInt("Value");
37 std::string llvm::getName(MVT::ValueType T) {
39 case MVT::Other: return "UNKNOWN";
40 case MVT::i1: return "MVT::i1";
41 case MVT::i8: return "MVT::i8";
42 case MVT::i16: return "MVT::i16";
43 case MVT::i32: return "MVT::i32";
44 case MVT::i64: return "MVT::i64";
45 case MVT::i128: return "MVT::i128";
46 case MVT::f32: return "MVT::f32";
47 case MVT::f64: return "MVT::f64";
48 case MVT::f80: return "MVT::f80";
49 case MVT::f128: return "MVT::f128";
50 case MVT::Flag: return "MVT::Flag";
51 case MVT::isVoid:return "MVT::void";
52 case MVT::v8i8: return "MVT::v8i8";
53 case MVT::v4i16: return "MVT::v4i16";
54 case MVT::v2i32: return "MVT::v2i32";
55 case MVT::v16i8: return "MVT::v16i8";
56 case MVT::v8i16: return "MVT::v8i16";
57 case MVT::v4i32: return "MVT::v4i32";
58 case MVT::v2i64: return "MVT::v2i64";
59 case MVT::v2f32: return "MVT::v2f32";
60 case MVT::v4f32: return "MVT::v4f32";
61 case MVT::v2f64: return "MVT::v2f64";
62 case MVT::iPTR: return "TLI.getPointerTy()";
63 default: assert(0 && "ILLEGAL VALUE TYPE!"); return "";
67 std::string llvm::getEnumName(MVT::ValueType T) {
69 case MVT::Other: return "MVT::Other";
70 case MVT::i1: return "MVT::i1";
71 case MVT::i8: return "MVT::i8";
72 case MVT::i16: return "MVT::i16";
73 case MVT::i32: return "MVT::i32";
74 case MVT::i64: return "MVT::i64";
75 case MVT::i128: return "MVT::i128";
76 case MVT::f32: return "MVT::f32";
77 case MVT::f64: return "MVT::f64";
78 case MVT::f80: return "MVT::f80";
79 case MVT::f128: return "MVT::f128";
80 case MVT::Flag: return "MVT::Flag";
81 case MVT::isVoid:return "MVT::isVoid";
82 case MVT::v8i8: return "MVT::v8i8";
83 case MVT::v4i16: return "MVT::v4i16";
84 case MVT::v2i32: return "MVT::v2i32";
85 case MVT::v16i8: return "MVT::v16i8";
86 case MVT::v8i16: return "MVT::v8i16";
87 case MVT::v4i32: return "MVT::v4i32";
88 case MVT::v2i64: return "MVT::v2i64";
89 case MVT::v2f32: return "MVT::v2f32";
90 case MVT::v4f32: return "MVT::v4f32";
91 case MVT::v2f64: return "MVT::v2f64";
92 case MVT::iPTR: return "TLI.getPointerTy()";
93 default: assert(0 && "ILLEGAL VALUE TYPE!"); return "";
98 std::ostream &llvm::operator<<(std::ostream &OS, MVT::ValueType T) {
99 return OS << getName(T);
103 /// getTarget - Return the current instance of the Target class.
105 CodeGenTarget::CodeGenTarget() {
106 std::vector<Record*> Targets = Records.getAllDerivedDefinitions("Target");
107 if (Targets.size() == 0)
108 throw std::string("ERROR: No 'Target' subclasses defined!");
109 if (Targets.size() != 1)
110 throw std::string("ERROR: Multiple subclasses of Target defined!");
111 TargetRec = Targets[0];
115 const std::string &CodeGenTarget::getName() const {
116 return TargetRec->getName();
119 Record *CodeGenTarget::getInstructionSet() const {
120 return TargetRec->getValueAsDef("InstructionSet");
123 /// getAsmWriter - Return the AssemblyWriter definition for this target.
125 Record *CodeGenTarget::getAsmWriter() const {
126 std::vector<Record*> LI = TargetRec->getValueAsListOfDefs("AssemblyWriters");
127 if (AsmWriterNum >= LI.size())
128 throw "Target does not have an AsmWriter #" + utostr(AsmWriterNum) + "!";
129 return LI[AsmWriterNum];
132 void CodeGenTarget::ReadRegisters() const {
133 std::vector<Record*> Regs = Records.getAllDerivedDefinitions("Register");
135 throw std::string("No 'Register' subclasses defined!");
137 Registers.reserve(Regs.size());
138 Registers.assign(Regs.begin(), Regs.end());
141 CodeGenRegister::CodeGenRegister(Record *R) : TheDef(R) {
142 DeclaredSpillSize = R->getValueAsInt("SpillSize");
143 DeclaredSpillAlignment = R->getValueAsInt("SpillAlignment");
146 const std::string &CodeGenRegister::getName() const {
147 return TheDef->getName();
150 void CodeGenTarget::ReadRegisterClasses() const {
151 std::vector<Record*> RegClasses =
152 Records.getAllDerivedDefinitions("RegisterClass");
153 if (RegClasses.empty())
154 throw std::string("No 'RegisterClass' subclasses defined!");
156 RegisterClasses.reserve(RegClasses.size());
157 RegisterClasses.assign(RegClasses.begin(), RegClasses.end());
160 std::vector<unsigned char> CodeGenTarget::getRegisterVTs(Record *R) const {
161 std::vector<unsigned char> Result;
162 const std::vector<CodeGenRegisterClass> &RCs = getRegisterClasses();
163 for (unsigned i = 0, e = RCs.size(); i != e; ++i) {
164 const CodeGenRegisterClass &RC = RegisterClasses[i];
165 for (unsigned ei = 0, ee = RC.Elements.size(); ei != ee; ++ei) {
166 if (R == RC.Elements[ei]) {
167 const std::vector<MVT::ValueType> &InVTs = RC.getValueTypes();
168 for (unsigned i = 0, e = InVTs.size(); i != e; ++i)
169 Result.push_back(InVTs[i]);
177 CodeGenRegisterClass::CodeGenRegisterClass(Record *R) : TheDef(R) {
178 // Rename anonymous register classes.
179 if (R->getName().size() > 9 && R->getName()[9] == '.') {
180 static unsigned AnonCounter = 0;
181 R->setName("AnonRegClass_"+utostr(AnonCounter++));
184 std::vector<Record*> TypeList = R->getValueAsListOfDefs("RegTypes");
185 for (unsigned i = 0, e = TypeList.size(); i != e; ++i) {
186 Record *Type = TypeList[i];
187 if (!Type->isSubClassOf("ValueType"))
188 throw "RegTypes list member '" + Type->getName() +
189 "' does not derive from the ValueType class!";
190 VTs.push_back(getValueType(Type));
192 assert(!VTs.empty() && "RegisterClass must contain at least one ValueType!");
194 std::vector<Record*> RegList = R->getValueAsListOfDefs("MemberList");
195 for (unsigned i = 0, e = RegList.size(); i != e; ++i) {
196 Record *Reg = RegList[i];
197 if (!Reg->isSubClassOf("Register"))
198 throw "Register Class member '" + Reg->getName() +
199 "' does not derive from the Register class!";
200 Elements.push_back(Reg);
203 // Allow targets to override the size in bits of the RegisterClass.
204 unsigned Size = R->getValueAsInt("Size");
206 Namespace = R->getValueAsString("Namespace");
207 SpillSize = Size ? Size : MVT::getSizeInBits(VTs[0]);
208 SpillAlignment = R->getValueAsInt("Alignment");
209 MethodBodies = R->getValueAsCode("MethodBodies");
210 MethodProtos = R->getValueAsCode("MethodProtos");
213 const std::string &CodeGenRegisterClass::getName() const {
214 return TheDef->getName();
217 void CodeGenTarget::ReadLegalValueTypes() const {
218 const std::vector<CodeGenRegisterClass> &RCs = getRegisterClasses();
219 for (unsigned i = 0, e = RCs.size(); i != e; ++i)
220 for (unsigned ri = 0, re = RCs[i].VTs.size(); ri != re; ++ri)
221 LegalValueTypes.push_back(RCs[i].VTs[ri]);
223 // Remove duplicates.
224 std::sort(LegalValueTypes.begin(), LegalValueTypes.end());
225 LegalValueTypes.erase(std::unique(LegalValueTypes.begin(),
226 LegalValueTypes.end()),
227 LegalValueTypes.end());
231 void CodeGenTarget::ReadInstructions() const {
232 std::vector<Record*> Insts = Records.getAllDerivedDefinitions("Instruction");
233 if (Insts.size() <= 2)
234 throw std::string("No 'Instruction' subclasses defined!");
236 // Parse the instructions defined in the .td file.
237 std::string InstFormatName =
238 getAsmWriter()->getValueAsString("InstFormatName");
240 for (unsigned i = 0, e = Insts.size(); i != e; ++i) {
241 std::string AsmStr = Insts[i]->getValueAsString(InstFormatName);
242 Instructions.insert(std::make_pair(Insts[i]->getName(),
243 CodeGenInstruction(Insts[i], AsmStr)));
247 /// getInstructionsByEnumValue - Return all of the instructions defined by the
248 /// target, ordered by their enum value.
250 getInstructionsByEnumValue(std::vector<const CodeGenInstruction*>
251 &NumberedInstructions) {
252 std::map<std::string, CodeGenInstruction>::const_iterator I;
253 I = getInstructions().find("PHI");
254 if (I == Instructions.end()) throw "Could not find 'PHI' instruction!";
255 const CodeGenInstruction *PHI = &I->second;
257 I = getInstructions().find("INLINEASM");
258 if (I == Instructions.end()) throw "Could not find 'INLINEASM' instruction!";
259 const CodeGenInstruction *INLINEASM = &I->second;
261 // Print out the rest of the instructions now.
262 NumberedInstructions.push_back(PHI);
263 NumberedInstructions.push_back(INLINEASM);
264 for (inst_iterator II = inst_begin(), E = inst_end(); II != E; ++II)
265 if (&II->second != PHI &&&II->second != INLINEASM)
266 NumberedInstructions.push_back(&II->second);
270 /// isLittleEndianEncoding - Return whether this target encodes its instruction
271 /// in little-endian format, i.e. bits laid out in the order [0..n]
273 bool CodeGenTarget::isLittleEndianEncoding() const {
274 return getInstructionSet()->getValueAsBit("isLittleEndianEncoding");
279 static void ParseConstraint(const std::string &CStr, CodeGenInstruction *I) {
280 // FIXME: Only supports TIED_TO for now.
281 std::string::size_type pos = CStr.find_first_of('=');
282 assert(pos != std::string::npos && "Unrecognized constraint");
283 std::string Name = CStr.substr(0, pos);
285 // TIED_TO: $src1 = $dst
286 std::string::size_type wpos = Name.find_first_of(" \t");
287 if (wpos == std::string::npos)
288 throw "Illegal format for tied-to constraint: '" + CStr + "'";
289 std::string DestOpName = Name.substr(0, wpos);
290 std::pair<unsigned,unsigned> DestOp = I->ParseOperandName(DestOpName, false);
292 Name = CStr.substr(pos+1);
293 wpos = Name.find_first_not_of(" \t");
294 if (wpos == std::string::npos)
295 throw "Illegal format for tied-to constraint: '" + CStr + "'";
297 std::pair<unsigned,unsigned> SrcOp =
298 I->ParseOperandName(Name.substr(wpos), false);
300 throw "Illegal tied-to operand constraint '" + CStr + "'";
303 unsigned FlatOpNo = I->getFlattenedOperandNumber(SrcOp);
304 // Build the string for the operand.
305 std::string OpConstraint =
306 "((" + utostr(FlatOpNo) + " << 16) | (1 << TOI::TIED_TO))";
309 if (!I->OperandList[DestOp.first].Constraints[DestOp.second].empty())
310 throw "Operand '" + DestOpName + "' cannot have multiple constraints!";
311 I->OperandList[DestOp.first].Constraints[DestOp.second] = OpConstraint;
314 static void ParseConstraints(const std::string &CStr, CodeGenInstruction *I) {
315 // Make sure the constraints list for each operand is large enough to hold
316 // constraint info, even if none is present.
317 for (unsigned i = 0, e = I->OperandList.size(); i != e; ++i)
318 I->OperandList[i].Constraints.resize(I->OperandList[i].MINumOperands);
320 if (CStr.empty()) return;
322 const std::string delims(",");
323 std::string::size_type bidx, eidx;
325 bidx = CStr.find_first_not_of(delims);
326 while (bidx != std::string::npos) {
327 eidx = CStr.find_first_of(delims, bidx);
328 if (eidx == std::string::npos)
329 eidx = CStr.length();
331 ParseConstraint(CStr.substr(bidx, eidx), I);
332 bidx = CStr.find_first_not_of(delims, eidx);
336 CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
337 : TheDef(R), AsmString(AsmStr) {
338 Name = R->getValueAsString("Name");
339 Namespace = R->getValueAsString("Namespace");
341 isReturn = R->getValueAsBit("isReturn");
342 isBranch = R->getValueAsBit("isBranch");
343 isBarrier = R->getValueAsBit("isBarrier");
344 isCall = R->getValueAsBit("isCall");
345 isLoad = R->getValueAsBit("isLoad");
346 isStore = R->getValueAsBit("isStore");
347 bool isTwoAddress = R->getValueAsBit("isTwoAddress");
348 isPredicated = false; // set below.
349 isConvertibleToThreeAddress = R->getValueAsBit("isConvertibleToThreeAddress");
350 isCommutable = R->getValueAsBit("isCommutable");
351 isTerminator = R->getValueAsBit("isTerminator");
352 hasDelaySlot = R->getValueAsBit("hasDelaySlot");
353 usesCustomDAGSchedInserter = R->getValueAsBit("usesCustomDAGSchedInserter");
354 hasCtrlDep = R->getValueAsBit("hasCtrlDep");
355 noResults = R->getValueAsBit("noResults");
356 hasVariableNumberOfOperands = false;
360 DI = R->getValueAsDag("OperandList");
362 // Error getting operand list, just ignore it (sparcv9).
368 unsigned MIOperandNo = 0;
369 std::set<std::string> OperandNames;
370 for (unsigned i = 0, e = DI->getNumArgs(); i != e; ++i) {
371 DefInit *Arg = dynamic_cast<DefInit*>(DI->getArg(i));
373 throw "Illegal operand for the '" + R->getName() + "' instruction!";
375 Record *Rec = Arg->getDef();
376 std::string PrintMethod = "printOperand";
378 DagInit *MIOpInfo = 0;
379 if (Rec->isSubClassOf("Operand")) {
380 PrintMethod = Rec->getValueAsString("PrintMethod");
381 MIOpInfo = Rec->getValueAsDag("MIOperandInfo");
383 // Verify that MIOpInfo has an 'ops' root value.
384 if (!dynamic_cast<DefInit*>(MIOpInfo->getOperator()) ||
385 dynamic_cast<DefInit*>(MIOpInfo->getOperator())
386 ->getDef()->getName() != "ops")
387 throw "Bad value for MIOperandInfo in operand '" + Rec->getName() +
390 // If we have MIOpInfo, then we have #operands equal to number of entries
392 if (unsigned NumArgs = MIOpInfo->getNumArgs())
395 isPredicated |= Rec->isSubClassOf("PredicateOperand");
396 } else if (Rec->getName() == "variable_ops") {
397 hasVariableNumberOfOperands = true;
399 } else if (!Rec->isSubClassOf("RegisterClass") &&
400 Rec->getName() != "ptr_rc")
401 throw "Unknown operand class '" + Rec->getName() +
402 "' in instruction '" + R->getName() + "' instruction!";
404 // Check that the operand has a name and that it's unique.
405 if (DI->getArgName(i).empty())
406 throw "In instruction '" + R->getName() + "', operand #" + utostr(i) +
408 if (!OperandNames.insert(DI->getArgName(i)).second)
409 throw "In instruction '" + R->getName() + "', operand #" + utostr(i) +
410 " has the same name as a previous operand!";
412 OperandList.push_back(OperandInfo(Rec, DI->getArgName(i), PrintMethod,
413 MIOperandNo, NumOps, MIOpInfo));
414 MIOperandNo += NumOps;
417 // Parse Constraints.
418 ParseConstraints(R->getValueAsString("Constraints"), this);
420 // For backward compatibility: isTwoAddress means operand 1 is tied to
423 if (!OperandList[1].Constraints[0].empty())
424 throw R->getName() + ": cannot use isTwoAddress property: instruction "
425 "already has constraint set!";
426 OperandList[1].Constraints[0] = "((0 << 16) | (1 << TOI::TIED_TO))";
429 // Any operands with unset constraints get 0 as their constraint.
430 for (unsigned op = 0, e = OperandList.size(); op != e; ++op)
431 for (unsigned j = 0, e = OperandList[op].MINumOperands; j != e; ++j)
432 if (OperandList[op].Constraints[j].empty())
433 OperandList[op].Constraints[j] = "0";
435 // Parse the DisableEncoding field.
436 std::string DisableEncoding = R->getValueAsString("DisableEncoding");
438 std::string OpName = getToken(DisableEncoding, " ,\t");
439 if (OpName.empty()) break;
441 // Figure out which operand this is.
442 std::pair<unsigned,unsigned> Op = ParseOperandName(OpName, false);
444 // Mark the operand as not-to-be encoded.
445 if (Op.second >= OperandList[Op.first].DoNotEncode.size())
446 OperandList[Op.first].DoNotEncode.resize(Op.second+1);
447 OperandList[Op.first].DoNotEncode[Op.second] = true;
453 /// getOperandNamed - Return the index of the operand with the specified
454 /// non-empty name. If the instruction does not have an operand with the
455 /// specified name, throw an exception.
457 unsigned CodeGenInstruction::getOperandNamed(const std::string &Name) const {
458 assert(!Name.empty() && "Cannot search for operand with no name!");
459 for (unsigned i = 0, e = OperandList.size(); i != e; ++i)
460 if (OperandList[i].Name == Name) return i;
461 throw "Instruction '" + TheDef->getName() +
462 "' does not have an operand named '$" + Name + "'!";
465 std::pair<unsigned,unsigned>
466 CodeGenInstruction::ParseOperandName(const std::string &Op,
468 if (Op.empty() || Op[0] != '$')
469 throw TheDef->getName() + ": Illegal operand name: '" + Op + "'";
471 std::string OpName = Op.substr(1);
472 std::string SubOpName;
474 // Check to see if this is $foo.bar.
475 std::string::size_type DotIdx = OpName.find_first_of(".");
476 if (DotIdx != std::string::npos) {
477 SubOpName = OpName.substr(DotIdx+1);
478 if (SubOpName.empty())
479 throw TheDef->getName() + ": illegal empty suboperand name in '" +Op +"'";
480 OpName = OpName.substr(0, DotIdx);
483 unsigned OpIdx = getOperandNamed(OpName);
485 if (SubOpName.empty()) { // If no suboperand name was specified:
486 // If one was needed, throw.
487 if (OperandList[OpIdx].MINumOperands > 1 && !AllowWholeOp &&
489 throw TheDef->getName() + ": Illegal to refer to"
490 " whole operand part of complex operand '" + Op + "'";
492 // Otherwise, return the operand.
493 return std::make_pair(OpIdx, 0U);
496 // Find the suboperand number involved.
497 DagInit *MIOpInfo = OperandList[OpIdx].MIOperandInfo;
499 throw TheDef->getName() + ": unknown suboperand name in '" + Op + "'";
501 // Find the operand with the right name.
502 for (unsigned i = 0, e = MIOpInfo->getNumArgs(); i != e; ++i)
503 if (MIOpInfo->getArgName(i) == SubOpName)
504 return std::make_pair(OpIdx, i);
506 // Otherwise, didn't find it!
507 throw TheDef->getName() + ": unknown suboperand name in '" + Op + "'";
513 //===----------------------------------------------------------------------===//
514 // ComplexPattern implementation
516 ComplexPattern::ComplexPattern(Record *R) {
517 Ty = ::getValueType(R->getValueAsDef("Ty"));
518 NumOperands = R->getValueAsInt("NumOperands");
519 SelectFunc = R->getValueAsString("SelectFunc");
520 RootNodes = R->getValueAsListOfDefs("RootNodes");
522 // Parse the properties.
524 std::vector<Record*> PropList = R->getValueAsListOfDefs("Properties");
525 for (unsigned i = 0, e = PropList.size(); i != e; ++i)
526 if (PropList[i]->getName() == "SDNPHasChain") {
527 Properties |= 1 << SDNPHasChain;
528 } else if (PropList[i]->getName() == "SDNPOptInFlag") {
529 Properties |= 1 << SDNPOptInFlag;
531 cerr << "Unsupported SD Node property '" << PropList[i]->getName()
532 << "' on ComplexPattern '" << R->getName() << "'!\n";
537 //===----------------------------------------------------------------------===//
538 // CodeGenIntrinsic Implementation
539 //===----------------------------------------------------------------------===//
541 std::vector<CodeGenIntrinsic> llvm::LoadIntrinsics(const RecordKeeper &RC) {
542 std::vector<Record*> I = RC.getAllDerivedDefinitions("Intrinsic");
544 std::vector<CodeGenIntrinsic> Result;
546 // If we are in the context of a target .td file, get the target info so that
547 // we can decode the current intptr_t.
548 CodeGenTarget *CGT = 0;
549 if (Records.getClass("Target") &&
550 Records.getAllDerivedDefinitions("Target").size() == 1)
551 CGT = new CodeGenTarget();
553 for (unsigned i = 0, e = I.size(); i != e; ++i)
554 Result.push_back(CodeGenIntrinsic(I[i], CGT));
559 CodeGenIntrinsic::CodeGenIntrinsic(Record *R, CodeGenTarget *CGT) {
561 std::string DefName = R->getName();
564 if (DefName.size() <= 4 ||
565 std::string(DefName.begin(), DefName.begin()+4) != "int_")
566 throw "Intrinsic '" + DefName + "' does not start with 'int_'!";
567 EnumName = std::string(DefName.begin()+4, DefName.end());
568 if (R->getValue("GCCBuiltinName")) // Ignore a missing GCCBuiltinName field.
569 GCCBuiltinName = R->getValueAsString("GCCBuiltinName");
570 TargetPrefix = R->getValueAsString("TargetPrefix");
571 Name = R->getValueAsString("LLVMName");
573 // If an explicit name isn't specified, derive one from the DefName.
575 for (unsigned i = 0, e = EnumName.size(); i != e; ++i)
576 if (EnumName[i] == '_')
581 // Verify it starts with "llvm.".
582 if (Name.size() <= 5 ||
583 std::string(Name.begin(), Name.begin()+5) != "llvm.")
584 throw "Intrinsic '" + DefName + "'s name does not start with 'llvm.'!";
587 // If TargetPrefix is specified, make sure that Name starts with
588 // "llvm.<targetprefix>.".
589 if (!TargetPrefix.empty()) {
590 if (Name.size() < 6+TargetPrefix.size() ||
591 std::string(Name.begin()+5, Name.begin()+6+TargetPrefix.size())
592 != (TargetPrefix+"."))
593 throw "Intrinsic '" + DefName + "' does not start with 'llvm." +
594 TargetPrefix + ".'!";
597 // Parse the list of argument types.
598 ListInit *TypeList = R->getValueAsListInit("Types");
599 for (unsigned i = 0, e = TypeList->getSize(); i != e; ++i) {
600 DefInit *DI = dynamic_cast<DefInit*>(TypeList->getElement(i));
601 assert(DI && "Invalid list type!");
602 Record *TyEl = DI->getDef();
603 assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
604 ArgTypes.push_back(TyEl->getValueAsString("TypeVal"));
607 ArgVTs.push_back(getValueType(TyEl->getValueAsDef("VT"), CGT));
608 ArgTypeDefs.push_back(TyEl);
610 if (ArgTypes.size() == 0)
611 throw "Intrinsic '"+DefName+"' needs at least a type for the ret value!";
613 // Parse the intrinsic properties.
614 ListInit *PropList = R->getValueAsListInit("Properties");
615 for (unsigned i = 0, e = PropList->getSize(); i != e; ++i) {
616 DefInit *DI = dynamic_cast<DefInit*>(PropList->getElement(i));
617 assert(DI && "Invalid list type!");
618 Record *Property = DI->getDef();
619 assert(Property->isSubClassOf("IntrinsicProperty") &&
620 "Expected a property!");
622 if (Property->getName() == "IntrNoMem")
624 else if (Property->getName() == "IntrReadArgMem")
626 else if (Property->getName() == "IntrReadMem")
628 else if (Property->getName() == "IntrWriteArgMem")
629 ModRef = WriteArgMem;
630 else if (Property->getName() == "IntrWriteMem")
633 assert(0 && "Unknown property!");