1 //===-- llvmAsmParser.y - Parser for llvm assembly files --------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the bison parser for LLVM assembly languages files.
12 //===----------------------------------------------------------------------===//
15 #include "ParserInternals.h"
16 #include "llvm/CallingConv.h"
17 #include "llvm/InlineAsm.h"
18 #include "llvm/Instructions.h"
19 #include "llvm/Module.h"
20 #include "llvm/ValueSymbolTable.h"
21 #include "llvm/AutoUpgrade.h"
22 #include "llvm/Support/GetElementPtrTypeIterator.h"
23 #include "llvm/Support/CommandLine.h"
24 #include "llvm/ADT/SmallVector.h"
25 #include "llvm/ADT/STLExtras.h"
26 #include "llvm/Support/MathExtras.h"
27 #include "llvm/Support/Streams.h"
33 // The following is a gross hack. In order to rid the libAsmParser library of
34 // exceptions, we have to have a way of getting the yyparse function to go into
35 // an error situation. So, whenever we want an error to occur, the GenerateError
36 // function (see bottom of file) sets TriggerError. Then, at the end of each
37 // production in the grammer we use CHECK_FOR_ERROR which will invoke YYERROR
38 // (a goto) to put YACC in error state. Furthermore, several calls to
39 // GenerateError are made from inside productions and they must simulate the
40 // previous exception behavior by exiting the production immediately. We have
41 // replaced these with the GEN_ERROR macro which calls GeneratError and then
42 // immediately invokes YYERROR. This would be so much cleaner if it was a
43 // recursive descent parser.
44 static bool TriggerError = false;
45 #define CHECK_FOR_ERROR { if (TriggerError) { TriggerError = false; YYABORT; } }
46 #define GEN_ERROR(msg) { GenerateError(msg); YYERROR; }
48 int yyerror(const char *ErrorMsg); // Forward declarations to prevent "implicit
49 int yylex(); // declaration" of xxx warnings.
53 static Module *ParserResult;
55 // DEBUG_UPREFS - Define this symbol if you want to enable debugging output
56 // relating to upreferences in the input stream.
58 //#define DEBUG_UPREFS 1
60 #define UR_OUT(X) cerr << X
65 #define YYERROR_VERBOSE 1
67 static GlobalVariable *CurGV;
70 // This contains info used when building the body of a function. It is
71 // destroyed when the function is completed.
73 typedef std::vector<Value *> ValueList; // Numbered defs
76 ResolveDefinitions(ValueList &LateResolvers, ValueList *FutureLateResolvers=0);
78 static struct PerModuleInfo {
79 Module *CurrentModule;
80 ValueList Values; // Module level numbered definitions
81 ValueList LateResolveValues;
82 std::vector<PATypeHolder> Types;
83 std::map<ValID, PATypeHolder> LateResolveTypes;
85 /// PlaceHolderInfo - When temporary placeholder objects are created, remember
86 /// how they were referenced and on which line of the input they came from so
87 /// that we can resolve them later and print error messages as appropriate.
88 std::map<Value*, std::pair<ValID, int> > PlaceHolderInfo;
90 // GlobalRefs - This maintains a mapping between <Type, ValID>'s and forward
91 // references to global values. Global values may be referenced before they
92 // are defined, and if so, the temporary object that they represent is held
93 // here. This is used for forward references of GlobalValues.
95 typedef std::map<std::pair<const PointerType *,
96 ValID>, GlobalValue*> GlobalRefsType;
97 GlobalRefsType GlobalRefs;
100 // If we could not resolve some functions at function compilation time
101 // (calls to functions before they are defined), resolve them now... Types
102 // are resolved when the constant pool has been completely parsed.
104 ResolveDefinitions(LateResolveValues);
108 // Check to make sure that all global value forward references have been
111 if (!GlobalRefs.empty()) {
112 std::string UndefinedReferences = "Unresolved global references exist:\n";
114 for (GlobalRefsType::iterator I = GlobalRefs.begin(), E =GlobalRefs.end();
116 UndefinedReferences += " " + I->first.first->getDescription() + " " +
117 I->first.second.getName() + "\n";
119 GenerateError(UndefinedReferences);
123 // Look for intrinsic functions and CallInst that need to be upgraded
124 for (Module::iterator FI = CurrentModule->begin(),
125 FE = CurrentModule->end(); FI != FE; )
126 UpgradeCallsToIntrinsic(FI++); // must be post-increment, as we remove
128 Values.clear(); // Clear out function local definitions
133 // GetForwardRefForGlobal - Check to see if there is a forward reference
134 // for this global. If so, remove it from the GlobalRefs map and return it.
135 // If not, just return null.
136 GlobalValue *GetForwardRefForGlobal(const PointerType *PTy, ValID ID) {
137 // Check to see if there is a forward reference to this global variable...
138 // if there is, eliminate it and patch the reference to use the new def'n.
139 GlobalRefsType::iterator I = GlobalRefs.find(std::make_pair(PTy, ID));
140 GlobalValue *Ret = 0;
141 if (I != GlobalRefs.end()) {
148 bool TypeIsUnresolved(PATypeHolder* PATy) {
149 // If it isn't abstract, its resolved
150 const Type* Ty = PATy->get();
151 if (!Ty->isAbstract())
153 // Traverse the type looking for abstract types. If it isn't abstract then
154 // we don't need to traverse that leg of the type.
155 std::vector<const Type*> WorkList, SeenList;
156 WorkList.push_back(Ty);
157 while (!WorkList.empty()) {
158 const Type* Ty = WorkList.back();
159 SeenList.push_back(Ty);
161 if (const OpaqueType* OpTy = dyn_cast<OpaqueType>(Ty)) {
162 // Check to see if this is an unresolved type
163 std::map<ValID, PATypeHolder>::iterator I = LateResolveTypes.begin();
164 std::map<ValID, PATypeHolder>::iterator E = LateResolveTypes.end();
165 for ( ; I != E; ++I) {
166 if (I->second.get() == OpTy)
169 } else if (const SequentialType* SeqTy = dyn_cast<SequentialType>(Ty)) {
170 const Type* TheTy = SeqTy->getElementType();
171 if (TheTy->isAbstract() && TheTy != Ty) {
172 std::vector<const Type*>::iterator I = SeenList.begin(),
178 WorkList.push_back(TheTy);
180 } else if (const StructType* StrTy = dyn_cast<StructType>(Ty)) {
181 for (unsigned i = 0; i < StrTy->getNumElements(); ++i) {
182 const Type* TheTy = StrTy->getElementType(i);
183 if (TheTy->isAbstract() && TheTy != Ty) {
184 std::vector<const Type*>::iterator I = SeenList.begin(),
190 WorkList.push_back(TheTy);
199 static struct PerFunctionInfo {
200 Function *CurrentFunction; // Pointer to current function being created
202 ValueList Values; // Keep track of #'d definitions
204 ValueList LateResolveValues;
205 bool isDeclare; // Is this function a forward declararation?
206 GlobalValue::LinkageTypes Linkage; // Linkage for forward declaration.
207 GlobalValue::VisibilityTypes Visibility;
209 /// BBForwardRefs - When we see forward references to basic blocks, keep
210 /// track of them here.
211 std::map<ValID, BasicBlock*> BBForwardRefs;
213 inline PerFunctionInfo() {
216 Linkage = GlobalValue::ExternalLinkage;
217 Visibility = GlobalValue::DefaultVisibility;
220 inline void FunctionStart(Function *M) {
225 void FunctionDone() {
226 // Any forward referenced blocks left?
227 if (!BBForwardRefs.empty()) {
228 GenerateError("Undefined reference to label " +
229 BBForwardRefs.begin()->second->getName());
233 // Resolve all forward references now.
234 ResolveDefinitions(LateResolveValues, &CurModule.LateResolveValues);
236 Values.clear(); // Clear out function local definitions
237 BBForwardRefs.clear();
240 Linkage = GlobalValue::ExternalLinkage;
241 Visibility = GlobalValue::DefaultVisibility;
243 } CurFun; // Info for the current function...
245 static bool inFunctionScope() { return CurFun.CurrentFunction != 0; }
248 //===----------------------------------------------------------------------===//
249 // Code to handle definitions of all the types
250 //===----------------------------------------------------------------------===//
252 /// InsertValue - Insert a value into the value table. If it is named, this
253 /// returns -1, otherwise it returns the slot number for the value.
254 static int InsertValue(Value *V, ValueList &ValueTab = CurFun.Values) {
255 // Things that have names or are void typed don't get slot numbers
256 if (V->hasName() || (V->getType() == Type::VoidTy))
259 // In the case of function values, we have to allow for the forward reference
260 // of basic blocks, which are included in the numbering. Consequently, we keep
261 // track of the next insertion location with NextValNum. When a BB gets
262 // inserted, it could change the size of the CurFun.Values vector.
263 if (&ValueTab == &CurFun.Values) {
264 if (ValueTab.size() <= CurFun.NextValNum)
265 ValueTab.resize(CurFun.NextValNum+1);
266 ValueTab[CurFun.NextValNum++] = V;
267 return CurFun.NextValNum-1;
269 // For all other lists, its okay to just tack it on the back of the vector.
270 ValueTab.push_back(V);
271 return ValueTab.size()-1;
274 static const Type *getTypeVal(const ValID &D, bool DoNotImprovise = false) {
276 case ValID::LocalID: // Is it a numbered definition?
277 // Module constants occupy the lowest numbered slots...
278 if (D.Num < CurModule.Types.size())
279 return CurModule.Types[D.Num];
281 case ValID::LocalName: // Is it a named definition?
282 if (const Type *N = CurModule.CurrentModule->getTypeByName(D.getName())) {
283 D.destroy(); // Free old strdup'd memory...
288 GenerateError("Internal parser error: Invalid symbol type reference");
292 // If we reached here, we referenced either a symbol that we don't know about
293 // or an id number that hasn't been read yet. We may be referencing something
294 // forward, so just create an entry to be resolved later and get to it...
296 if (DoNotImprovise) return 0; // Do we just want a null to be returned?
299 if (inFunctionScope()) {
300 if (D.Type == ValID::LocalName) {
301 GenerateError("Reference to an undefined type: '" + D.getName() + "'");
304 GenerateError("Reference to an undefined type: #" + utostr(D.Num));
309 std::map<ValID, PATypeHolder>::iterator I =CurModule.LateResolveTypes.find(D);
310 if (I != CurModule.LateResolveTypes.end())
313 Type *Typ = OpaqueType::get();
314 CurModule.LateResolveTypes.insert(std::make_pair(D, Typ));
318 // getExistingVal - Look up the value specified by the provided type and
319 // the provided ValID. If the value exists and has already been defined, return
320 // it. Otherwise return null.
322 static Value *getExistingVal(const Type *Ty, const ValID &D) {
323 if (isa<FunctionType>(Ty)) {
324 GenerateError("Functions are not values and "
325 "must be referenced as pointers");
330 case ValID::LocalID: { // Is it a numbered definition?
331 // Check that the number is within bounds.
332 if (D.Num >= CurFun.Values.size())
334 Value *Result = CurFun.Values[D.Num];
335 if (Ty != Result->getType()) {
336 GenerateError("Numbered value (%" + utostr(D.Num) + ") of type '" +
337 Result->getType()->getDescription() + "' does not match "
338 "expected type, '" + Ty->getDescription() + "'");
343 case ValID::GlobalID: { // Is it a numbered definition?
344 if (D.Num >= CurModule.Values.size())
346 Value *Result = CurModule.Values[D.Num];
347 if (Ty != Result->getType()) {
348 GenerateError("Numbered value (@" + utostr(D.Num) + ") of type '" +
349 Result->getType()->getDescription() + "' does not match "
350 "expected type, '" + Ty->getDescription() + "'");
356 case ValID::LocalName: { // Is it a named definition?
357 if (!inFunctionScope())
359 ValueSymbolTable &SymTab = CurFun.CurrentFunction->getValueSymbolTable();
360 Value *N = SymTab.lookup(D.getName());
363 if (N->getType() != Ty)
366 D.destroy(); // Free old strdup'd memory...
369 case ValID::GlobalName: { // Is it a named definition?
370 ValueSymbolTable &SymTab = CurModule.CurrentModule->getValueSymbolTable();
371 Value *N = SymTab.lookup(D.getName());
374 if (N->getType() != Ty)
377 D.destroy(); // Free old strdup'd memory...
381 // Check to make sure that "Ty" is an integral type, and that our
382 // value will fit into the specified type...
383 case ValID::ConstSIntVal: // Is it a constant pool reference??
384 if (!isa<IntegerType>(Ty) ||
385 !ConstantInt::isValueValidForType(Ty, D.ConstPool64)) {
386 GenerateError("Signed integral constant '" +
387 itostr(D.ConstPool64) + "' is invalid for type '" +
388 Ty->getDescription() + "'");
391 return ConstantInt::get(Ty, D.ConstPool64, true);
393 case ValID::ConstUIntVal: // Is it an unsigned const pool reference?
394 if (isa<IntegerType>(Ty) &&
395 ConstantInt::isValueValidForType(Ty, D.UConstPool64))
396 return ConstantInt::get(Ty, D.UConstPool64);
398 if (!isa<IntegerType>(Ty) ||
399 !ConstantInt::isValueValidForType(Ty, D.ConstPool64)) {
400 GenerateError("Integral constant '" + utostr(D.UConstPool64) +
401 "' is invalid or out of range for type '" +
402 Ty->getDescription() + "'");
405 // This is really a signed reference. Transmogrify.
406 return ConstantInt::get(Ty, D.ConstPool64, true);
408 case ValID::ConstAPInt: // Is it an unsigned const pool reference?
409 if (!isa<IntegerType>(Ty)) {
410 GenerateError("Integral constant '" + D.getName() +
411 "' is invalid or out of range for type '" +
412 Ty->getDescription() + "'");
417 APSInt Tmp = *D.ConstPoolInt;
418 Tmp.extOrTrunc(Ty->getPrimitiveSizeInBits());
419 return ConstantInt::get(Tmp);
422 case ValID::ConstFPVal: // Is it a floating point const pool reference?
423 if (!Ty->isFloatingPoint() ||
424 !ConstantFP::isValueValidForType(Ty, *D.ConstPoolFP)) {
425 GenerateError("FP constant invalid for type");
428 // Lexer has no type info, so builds all float and double FP constants
429 // as double. Fix this here. Long double does not need this.
430 if (&D.ConstPoolFP->getSemantics() == &APFloat::IEEEdouble &&
432 D.ConstPoolFP->convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven);
433 return ConstantFP::get(*D.ConstPoolFP);
435 case ValID::ConstNullVal: // Is it a null value?
436 if (!isa<PointerType>(Ty)) {
437 GenerateError("Cannot create a a non pointer null");
440 return ConstantPointerNull::get(cast<PointerType>(Ty));
442 case ValID::ConstUndefVal: // Is it an undef value?
443 return UndefValue::get(Ty);
445 case ValID::ConstZeroVal: // Is it a zero value?
446 return Constant::getNullValue(Ty);
448 case ValID::ConstantVal: // Fully resolved constant?
449 if (D.ConstantValue->getType() != Ty) {
450 GenerateError("Constant expression type different from required type");
453 return D.ConstantValue;
455 case ValID::InlineAsmVal: { // Inline asm expression
456 const PointerType *PTy = dyn_cast<PointerType>(Ty);
457 const FunctionType *FTy =
458 PTy ? dyn_cast<FunctionType>(PTy->getElementType()) : 0;
459 if (!FTy || !InlineAsm::Verify(FTy, D.IAD->Constraints)) {
460 GenerateError("Invalid type for asm constraint string");
463 InlineAsm *IA = InlineAsm::get(FTy, D.IAD->AsmString, D.IAD->Constraints,
464 D.IAD->HasSideEffects);
465 D.destroy(); // Free InlineAsmDescriptor.
469 assert(0 && "Unhandled case!");
473 assert(0 && "Unhandled case!");
477 // getVal - This function is identical to getExistingVal, except that if a
478 // value is not already defined, it "improvises" by creating a placeholder var
479 // that looks and acts just like the requested variable. When the value is
480 // defined later, all uses of the placeholder variable are replaced with the
483 static Value *getVal(const Type *Ty, const ValID &ID) {
484 if (Ty == Type::LabelTy) {
485 GenerateError("Cannot use a basic block here");
489 // See if the value has already been defined.
490 Value *V = getExistingVal(Ty, ID);
492 if (TriggerError) return 0;
494 if (!Ty->isFirstClassType() && !isa<OpaqueType>(Ty)) {
495 GenerateError("Invalid use of a non-first-class type");
499 // If we reached here, we referenced either a symbol that we don't know about
500 // or an id number that hasn't been read yet. We may be referencing something
501 // forward, so just create an entry to be resolved later and get to it...
504 case ValID::GlobalName:
505 case ValID::GlobalID: {
506 const PointerType *PTy = dyn_cast<PointerType>(Ty);
508 GenerateError("Invalid type for reference to global" );
511 const Type* ElTy = PTy->getElementType();
512 if (const FunctionType *FTy = dyn_cast<FunctionType>(ElTy))
513 V = Function::Create(FTy, GlobalValue::ExternalLinkage);
515 V = new GlobalVariable(ElTy, false, GlobalValue::ExternalLinkage, 0, "",
516 (Module*)0, false, PTy->getAddressSpace());
520 V = new Argument(Ty);
523 // Remember where this forward reference came from. FIXME, shouldn't we try
524 // to recycle these things??
525 CurModule.PlaceHolderInfo.insert(std::make_pair(V, std::make_pair(ID,
528 if (inFunctionScope())
529 InsertValue(V, CurFun.LateResolveValues);
531 InsertValue(V, CurModule.LateResolveValues);
535 /// defineBBVal - This is a definition of a new basic block with the specified
536 /// identifier which must be the same as CurFun.NextValNum, if its numeric.
537 static BasicBlock *defineBBVal(const ValID &ID) {
538 assert(inFunctionScope() && "Can't get basic block at global scope!");
542 // First, see if this was forward referenced
544 std::map<ValID, BasicBlock*>::iterator BBI = CurFun.BBForwardRefs.find(ID);
545 if (BBI != CurFun.BBForwardRefs.end()) {
547 // The forward declaration could have been inserted anywhere in the
548 // function: insert it into the correct place now.
549 CurFun.CurrentFunction->getBasicBlockList().remove(BB);
550 CurFun.CurrentFunction->getBasicBlockList().push_back(BB);
552 // We're about to erase the entry, save the key so we can clean it up.
553 ValID Tmp = BBI->first;
555 // Erase the forward ref from the map as its no longer "forward"
556 CurFun.BBForwardRefs.erase(ID);
558 // The key has been removed from the map but so we don't want to leave
559 // strdup'd memory around so destroy it too.
562 // If its a numbered definition, bump the number and set the BB value.
563 if (ID.Type == ValID::LocalID) {
564 assert(ID.Num == CurFun.NextValNum && "Invalid new block number");
568 // We haven't seen this BB before and its first mention is a definition.
569 // Just create it and return it.
570 std::string Name (ID.Type == ValID::LocalName ? ID.getName() : "");
571 BB = BasicBlock::Create(Name, CurFun.CurrentFunction);
572 if (ID.Type == ValID::LocalID) {
573 assert(ID.Num == CurFun.NextValNum && "Invalid new block number");
582 /// getBBVal - get an existing BB value or create a forward reference for it.
584 static BasicBlock *getBBVal(const ValID &ID) {
585 assert(inFunctionScope() && "Can't get basic block at global scope!");
589 std::map<ValID, BasicBlock*>::iterator BBI = CurFun.BBForwardRefs.find(ID);
590 if (BBI != CurFun.BBForwardRefs.end()) {
592 } if (ID.Type == ValID::LocalName) {
593 std::string Name = ID.getName();
594 Value *N = CurFun.CurrentFunction->getValueSymbolTable().lookup(Name);
596 if (N->getType()->getTypeID() == Type::LabelTyID)
597 BB = cast<BasicBlock>(N);
599 GenerateError("Reference to label '" + Name + "' is actually of type '"+
600 N->getType()->getDescription() + "'");
602 } else if (ID.Type == ValID::LocalID) {
603 if (ID.Num < CurFun.NextValNum && ID.Num < CurFun.Values.size()) {
604 if (CurFun.Values[ID.Num]->getType()->getTypeID() == Type::LabelTyID)
605 BB = cast<BasicBlock>(CurFun.Values[ID.Num]);
607 GenerateError("Reference to label '%" + utostr(ID.Num) +
608 "' is actually of type '"+
609 CurFun.Values[ID.Num]->getType()->getDescription() + "'");
612 GenerateError("Illegal label reference " + ID.getName());
616 // If its already been defined, return it now.
618 ID.destroy(); // Free strdup'd memory.
622 // Otherwise, this block has not been seen before, create it.
624 if (ID.Type == ValID::LocalName)
626 BB = BasicBlock::Create(Name, CurFun.CurrentFunction);
628 // Insert it in the forward refs map.
629 CurFun.BBForwardRefs[ID] = BB;
635 //===----------------------------------------------------------------------===//
636 // Code to handle forward references in instructions
637 //===----------------------------------------------------------------------===//
639 // This code handles the late binding needed with statements that reference
640 // values not defined yet... for example, a forward branch, or the PHI node for
643 // This keeps a table (CurFun.LateResolveValues) of all such forward references
644 // and back patchs after we are done.
647 // ResolveDefinitions - If we could not resolve some defs at parsing
648 // time (forward branches, phi functions for loops, etc...) resolve the
652 ResolveDefinitions(ValueList &LateResolvers, ValueList *FutureLateResolvers) {
653 // Loop over LateResolveDefs fixing up stuff that couldn't be resolved
654 while (!LateResolvers.empty()) {
655 Value *V = LateResolvers.back();
656 LateResolvers.pop_back();
658 std::map<Value*, std::pair<ValID, int> >::iterator PHI =
659 CurModule.PlaceHolderInfo.find(V);
660 assert(PHI != CurModule.PlaceHolderInfo.end() && "Placeholder error!");
662 ValID &DID = PHI->second.first;
664 Value *TheRealValue = getExistingVal(V->getType(), DID);
668 V->replaceAllUsesWith(TheRealValue);
670 CurModule.PlaceHolderInfo.erase(PHI);
671 } else if (FutureLateResolvers) {
672 // Functions have their unresolved items forwarded to the module late
674 InsertValue(V, *FutureLateResolvers);
676 if (DID.Type == ValID::LocalName || DID.Type == ValID::GlobalName) {
677 GenerateError("Reference to an invalid definition: '" +DID.getName()+
678 "' of type '" + V->getType()->getDescription() + "'",
682 GenerateError("Reference to an invalid definition: #" +
683 itostr(DID.Num) + " of type '" +
684 V->getType()->getDescription() + "'",
690 LateResolvers.clear();
693 // ResolveTypeTo - A brand new type was just declared. This means that (if
694 // name is not null) things referencing Name can be resolved. Otherwise, things
695 // refering to the number can be resolved. Do this now.
697 static void ResolveTypeTo(std::string *Name, const Type *ToTy) {
700 D = ValID::createLocalName(*Name);
702 D = ValID::createLocalID(CurModule.Types.size());
704 std::map<ValID, PATypeHolder>::iterator I =
705 CurModule.LateResolveTypes.find(D);
706 if (I != CurModule.LateResolveTypes.end()) {
707 ((DerivedType*)I->second.get())->refineAbstractTypeTo(ToTy);
708 CurModule.LateResolveTypes.erase(I);
712 // setValueName - Set the specified value to the name given. The name may be
713 // null potentially, in which case this is a noop. The string passed in is
714 // assumed to be a malloc'd string buffer, and is free'd by this function.
716 static void setValueName(Value *V, std::string *NameStr) {
717 if (!NameStr) return;
718 std::string Name(*NameStr); // Copy string
719 delete NameStr; // Free old string
721 if (V->getType() == Type::VoidTy) {
722 GenerateError("Can't assign name '" + Name+"' to value with void type");
726 assert(inFunctionScope() && "Must be in function scope!");
727 ValueSymbolTable &ST = CurFun.CurrentFunction->getValueSymbolTable();
728 if (ST.lookup(Name)) {
729 GenerateError("Redefinition of value '" + Name + "' of type '" +
730 V->getType()->getDescription() + "'");
738 /// ParseGlobalVariable - Handle parsing of a global. If Initializer is null,
739 /// this is a declaration, otherwise it is a definition.
740 static GlobalVariable *
741 ParseGlobalVariable(std::string *NameStr,
742 GlobalValue::LinkageTypes Linkage,
743 GlobalValue::VisibilityTypes Visibility,
744 bool isConstantGlobal, const Type *Ty,
745 Constant *Initializer, bool IsThreadLocal,
746 unsigned AddressSpace = 0) {
747 if (isa<FunctionType>(Ty)) {
748 GenerateError("Cannot declare global vars of function type");
751 if (Ty == Type::LabelTy) {
752 GenerateError("Cannot declare global vars of label type");
756 const PointerType *PTy = PointerType::get(Ty, AddressSpace);
760 Name = *NameStr; // Copy string
761 delete NameStr; // Free old string
764 // See if this global value was forward referenced. If so, recycle the
768 ID = ValID::createGlobalName(Name);
770 ID = ValID::createGlobalID(CurModule.Values.size());
773 if (GlobalValue *FWGV = CurModule.GetForwardRefForGlobal(PTy, ID)) {
774 // Move the global to the end of the list, from whereever it was
775 // previously inserted.
776 GlobalVariable *GV = cast<GlobalVariable>(FWGV);
777 CurModule.CurrentModule->getGlobalList().remove(GV);
778 CurModule.CurrentModule->getGlobalList().push_back(GV);
779 GV->setInitializer(Initializer);
780 GV->setLinkage(Linkage);
781 GV->setVisibility(Visibility);
782 GV->setConstant(isConstantGlobal);
783 GV->setThreadLocal(IsThreadLocal);
784 InsertValue(GV, CurModule.Values);
788 // If this global has a name
790 // if the global we're parsing has an initializer (is a definition) and
791 // has external linkage.
792 if (Initializer && Linkage != GlobalValue::InternalLinkage)
793 // If there is already a global with external linkage with this name
794 if (CurModule.CurrentModule->getGlobalVariable(Name, false)) {
795 // If we allow this GVar to get created, it will be renamed in the
796 // symbol table because it conflicts with an existing GVar. We can't
797 // allow redefinition of GVars whose linking indicates that their name
798 // must stay the same. Issue the error.
799 GenerateError("Redefinition of global variable named '" + Name +
800 "' of type '" + Ty->getDescription() + "'");
805 // Otherwise there is no existing GV to use, create one now.
807 new GlobalVariable(Ty, isConstantGlobal, Linkage, Initializer, Name,
808 CurModule.CurrentModule, IsThreadLocal, AddressSpace);
809 GV->setVisibility(Visibility);
810 InsertValue(GV, CurModule.Values);
814 // setTypeName - Set the specified type to the name given. The name may be
815 // null potentially, in which case this is a noop. The string passed in is
816 // assumed to be a malloc'd string buffer, and is freed by this function.
818 // This function returns true if the type has already been defined, but is
819 // allowed to be redefined in the specified context. If the name is a new name
820 // for the type plane, it is inserted and false is returned.
821 static bool setTypeName(const Type *T, std::string *NameStr) {
822 assert(!inFunctionScope() && "Can't give types function-local names!");
823 if (NameStr == 0) return false;
825 std::string Name(*NameStr); // Copy string
826 delete NameStr; // Free old string
828 // We don't allow assigning names to void type
829 if (T == Type::VoidTy) {
830 GenerateError("Can't assign name '" + Name + "' to the void type");
834 // Set the type name, checking for conflicts as we do so.
835 bool AlreadyExists = CurModule.CurrentModule->addTypeName(Name, T);
837 if (AlreadyExists) { // Inserting a name that is already defined???
838 const Type *Existing = CurModule.CurrentModule->getTypeByName(Name);
839 assert(Existing && "Conflict but no matching type?!");
841 // There is only one case where this is allowed: when we are refining an
842 // opaque type. In this case, Existing will be an opaque type.
843 if (const OpaqueType *OpTy = dyn_cast<OpaqueType>(Existing)) {
844 // We ARE replacing an opaque type!
845 const_cast<OpaqueType*>(OpTy)->refineAbstractTypeTo(T);
849 // Otherwise, this is an attempt to redefine a type. That's okay if
850 // the redefinition is identical to the original. This will be so if
851 // Existing and T point to the same Type object. In this one case we
852 // allow the equivalent redefinition.
853 if (Existing == T) return true; // Yes, it's equal.
855 // Any other kind of (non-equivalent) redefinition is an error.
856 GenerateError("Redefinition of type named '" + Name + "' of type '" +
857 T->getDescription() + "'");
863 //===----------------------------------------------------------------------===//
864 // Code for handling upreferences in type names...
867 // TypeContains - Returns true if Ty directly contains E in it.
869 static bool TypeContains(const Type *Ty, const Type *E) {
870 return std::find(Ty->subtype_begin(), Ty->subtype_end(),
871 E) != Ty->subtype_end();
876 // NestingLevel - The number of nesting levels that need to be popped before
877 // this type is resolved.
878 unsigned NestingLevel;
880 // LastContainedTy - This is the type at the current binding level for the
881 // type. Every time we reduce the nesting level, this gets updated.
882 const Type *LastContainedTy;
884 // UpRefTy - This is the actual opaque type that the upreference is
888 UpRefRecord(unsigned NL, OpaqueType *URTy)
889 : NestingLevel(NL), LastContainedTy(URTy), UpRefTy(URTy) {}
893 // UpRefs - A list of the outstanding upreferences that need to be resolved.
894 static std::vector<UpRefRecord> UpRefs;
896 /// HandleUpRefs - Every time we finish a new layer of types, this function is
897 /// called. It loops through the UpRefs vector, which is a list of the
898 /// currently active types. For each type, if the up reference is contained in
899 /// the newly completed type, we decrement the level count. When the level
900 /// count reaches zero, the upreferenced type is the type that is passed in:
901 /// thus we can complete the cycle.
903 static PATypeHolder HandleUpRefs(const Type *ty) {
904 // If Ty isn't abstract, or if there are no up-references in it, then there is
905 // nothing to resolve here.
906 if (!ty->isAbstract() || UpRefs.empty()) return ty;
909 UR_OUT("Type '" << Ty->getDescription() <<
910 "' newly formed. Resolving upreferences.\n" <<
911 UpRefs.size() << " upreferences active!\n");
913 // If we find any resolvable upreferences (i.e., those whose NestingLevel goes
914 // to zero), we resolve them all together before we resolve them to Ty. At
915 // the end of the loop, if there is anything to resolve to Ty, it will be in
917 OpaqueType *TypeToResolve = 0;
919 for (unsigned i = 0; i != UpRefs.size(); ++i) {
920 UR_OUT(" UR#" << i << " - TypeContains(" << Ty->getDescription() << ", "
921 << UpRefs[i].second->getDescription() << ") = "
922 << (TypeContains(Ty, UpRefs[i].second) ? "true" : "false") << "\n");
923 if (TypeContains(Ty, UpRefs[i].LastContainedTy)) {
924 // Decrement level of upreference
925 unsigned Level = --UpRefs[i].NestingLevel;
926 UpRefs[i].LastContainedTy = Ty;
927 UR_OUT(" Uplevel Ref Level = " << Level << "\n");
928 if (Level == 0) { // Upreference should be resolved!
929 if (!TypeToResolve) {
930 TypeToResolve = UpRefs[i].UpRefTy;
932 UR_OUT(" * Resolving upreference for "
933 << UpRefs[i].second->getDescription() << "\n";
934 std::string OldName = UpRefs[i].UpRefTy->getDescription());
935 UpRefs[i].UpRefTy->refineAbstractTypeTo(TypeToResolve);
936 UR_OUT(" * Type '" << OldName << "' refined upreference to: "
937 << (const void*)Ty << ", " << Ty->getDescription() << "\n");
939 UpRefs.erase(UpRefs.begin()+i); // Remove from upreference list...
940 --i; // Do not skip the next element...
946 UR_OUT(" * Resolving upreference for "
947 << UpRefs[i].second->getDescription() << "\n";
948 std::string OldName = TypeToResolve->getDescription());
949 TypeToResolve->refineAbstractTypeTo(Ty);
955 //===----------------------------------------------------------------------===//
956 // RunVMAsmParser - Define an interface to this parser
957 //===----------------------------------------------------------------------===//
959 static Module* RunParser(Module * M);
961 Module *llvm::RunVMAsmParser(llvm::MemoryBuffer *MB) {
963 Module *M = RunParser(new Module(LLLgetFilename()));
971 llvm::Module *ModuleVal;
972 llvm::Function *FunctionVal;
973 llvm::BasicBlock *BasicBlockVal;
974 llvm::TerminatorInst *TermInstVal;
975 llvm::Instruction *InstVal;
976 llvm::Constant *ConstVal;
978 const llvm::Type *PrimType;
979 std::list<llvm::PATypeHolder> *TypeList;
980 llvm::PATypeHolder *TypeVal;
981 llvm::Value *ValueVal;
982 std::vector<llvm::Value*> *ValueList;
983 std::vector<unsigned> *ConstantList;
984 llvm::ArgListType *ArgList;
985 llvm::TypeWithAttrs TypeWithAttrs;
986 llvm::TypeWithAttrsList *TypeWithAttrsList;
987 llvm::ParamList *ParamList;
989 // Represent the RHS of PHI node
990 std::list<std::pair<llvm::Value*,
991 llvm::BasicBlock*> > *PHIList;
992 std::vector<std::pair<llvm::Constant*, llvm::BasicBlock*> > *JumpTable;
993 std::vector<llvm::Constant*> *ConstVector;
995 llvm::GlobalValue::LinkageTypes Linkage;
996 llvm::GlobalValue::VisibilityTypes Visibility;
997 llvm::ParameterAttributes ParamAttrs;
998 llvm::FunctionNotes FunctionNotes;
999 llvm::APInt *APIntVal;
1004 llvm::APFloat *FPVal;
1007 std::string *StrVal; // This memory must be deleted
1008 llvm::ValID ValIDVal;
1010 llvm::Instruction::BinaryOps BinaryOpVal;
1011 llvm::Instruction::TermOps TermOpVal;
1012 llvm::Instruction::MemoryOps MemOpVal;
1013 llvm::Instruction::CastOps CastOpVal;
1014 llvm::Instruction::OtherOps OtherOpVal;
1015 llvm::ICmpInst::Predicate IPredicate;
1016 llvm::FCmpInst::Predicate FPredicate;
1019 %type <ModuleVal> Module
1020 %type <FunctionVal> Function FunctionProto FunctionHeader BasicBlockList
1021 %type <BasicBlockVal> BasicBlock InstructionList
1022 %type <TermInstVal> BBTerminatorInst
1023 %type <InstVal> Inst InstVal MemoryInst
1024 %type <ConstVal> ConstVal ConstExpr AliaseeRef
1025 %type <ConstVector> ConstVector
1026 %type <ArgList> ArgList ArgListH
1027 %type <PHIList> PHIList
1028 %type <ParamList> ParamList // For call param lists & GEP indices
1029 %type <ValueList> IndexList // For GEP indices
1030 %type <ConstantList> ConstantIndexList // For insertvalue/extractvalue indices
1031 %type <TypeList> TypeListI
1032 %type <TypeWithAttrsList> ArgTypeList ArgTypeListI
1033 %type <TypeWithAttrs> ArgType
1034 %type <JumpTable> JumpTable
1035 %type <BoolVal> GlobalType // GLOBAL or CONSTANT?
1036 %type <BoolVal> ThreadLocal // 'thread_local' or not
1037 %type <BoolVal> OptVolatile // 'volatile' or not
1038 %type <BoolVal> OptTailCall // TAIL CALL or plain CALL.
1039 %type <BoolVal> OptSideEffect // 'sideeffect' or not.
1040 %type <Linkage> GVInternalLinkage GVExternalLinkage
1041 %type <Linkage> FunctionDefineLinkage FunctionDeclareLinkage
1042 %type <Linkage> AliasLinkage
1043 %type <Visibility> GVVisibilityStyle
1045 // ValueRef - Unresolved reference to a definition or BB
1046 %type <ValIDVal> ValueRef ConstValueRef SymbolicValueRef
1047 %type <ValueVal> ResolvedVal // <type> <valref> pair
1048 %type <ValueList> ReturnedVal
1049 // Tokens and types for handling constant integer values
1051 // ESINT64VAL - A negative number within long long range
1052 %token <SInt64Val> ESINT64VAL
1054 // EUINT64VAL - A positive number within uns. long long range
1055 %token <UInt64Val> EUINT64VAL
1057 // ESAPINTVAL - A negative number with arbitrary precision
1058 %token <APIntVal> ESAPINTVAL
1060 // EUAPINTVAL - A positive number with arbitrary precision
1061 %token <APIntVal> EUAPINTVAL
1063 %token <UIntVal> LOCALVAL_ID GLOBALVAL_ID // %123 @123
1064 %token <FPVal> FPVAL // Float or Double constant
1066 // Built in types...
1067 %type <TypeVal> Types ResultTypes
1068 %type <PrimType> IntType FPType PrimType // Classifications
1069 %token <PrimType> VOID INTTYPE
1070 %token <PrimType> FLOAT DOUBLE X86_FP80 FP128 PPC_FP128 LABEL
1074 %token<StrVal> LOCALVAR GLOBALVAR LABELSTR
1075 %token<StrVal> STRINGCONSTANT ATSTRINGCONSTANT PCTSTRINGCONSTANT
1076 %type <StrVal> LocalName OptLocalName OptLocalAssign
1077 %type <StrVal> GlobalName OptGlobalAssign GlobalAssign
1078 %type <StrVal> OptSection SectionString OptGC
1080 %type <UIntVal> OptAlign OptCAlign OptAddrSpace
1082 %token ZEROINITIALIZER TRUETOK FALSETOK BEGINTOK ENDTOK
1083 %token DECLARE DEFINE GLOBAL CONSTANT SECTION ALIAS VOLATILE THREAD_LOCAL
1084 %token TO DOTDOTDOT NULL_TOK UNDEF INTERNAL LINKONCE WEAK APPENDING
1085 %token DLLIMPORT DLLEXPORT EXTERN_WEAK COMMON
1086 %token OPAQUE EXTERNAL TARGET TRIPLE ALIGN ADDRSPACE
1087 %token DEPLIBS CALL TAIL ASM_TOK MODULE SIDEEFFECT
1088 %token CC_TOK CCC_TOK FASTCC_TOK COLDCC_TOK X86_STDCALLCC_TOK X86_FASTCALLCC_TOK
1089 %token X86_SSECALLCC_TOK
1091 %type <UIntVal> OptCallingConv LocalNumber
1092 %type <ParamAttrs> OptParamAttrs ParamAttr
1093 %type <ParamAttrs> OptFuncAttrs FuncAttr
1094 %type <FunctionNotes> OptFuncNotes FuncNote
1095 %type <FunctionNotes> FuncNoteList
1097 // Basic Block Terminating Operators
1098 %token <TermOpVal> RET BR SWITCH INVOKE UNWIND UNREACHABLE
1101 %type <BinaryOpVal> ArithmeticOps LogicalOps // Binops Subcatagories
1102 %token <BinaryOpVal> ADD SUB MUL UDIV SDIV FDIV UREM SREM FREM AND OR XOR
1103 %token <BinaryOpVal> SHL LSHR ASHR
1105 %token <OtherOpVal> ICMP FCMP VICMP VFCMP
1106 %type <IPredicate> IPredicates
1107 %type <FPredicate> FPredicates
1108 %token EQ NE SLT SGT SLE SGE ULT UGT ULE UGE
1109 %token OEQ ONE OLT OGT OLE OGE ORD UNO UEQ UNE
1111 // Memory Instructions
1112 %token <MemOpVal> MALLOC ALLOCA FREE LOAD STORE GETELEMENTPTR
1115 %type <CastOpVal> CastOps
1116 %token <CastOpVal> TRUNC ZEXT SEXT FPTRUNC FPEXT BITCAST
1117 %token <CastOpVal> UITOFP SITOFP FPTOUI FPTOSI INTTOPTR PTRTOINT
1120 %token <OtherOpVal> PHI_TOK SELECT VAARG
1121 %token <OtherOpVal> EXTRACTELEMENT INSERTELEMENT SHUFFLEVECTOR
1122 %token <OtherOpVal> GETRESULT
1123 %token <OtherOpVal> EXTRACTVALUE INSERTVALUE
1125 // Function Attributes
1126 %token SIGNEXT ZEROEXT NORETURN INREG SRET NOUNWIND NOALIAS BYVAL NEST
1127 %token READNONE READONLY GC
1130 %token FNNOTE INLINE ALWAYS NEVER OPTIMIZEFORSIZE
1132 // Visibility Styles
1133 %token DEFAULT HIDDEN PROTECTED
1139 // Operations that are notably excluded from this list include:
1140 // RET, BR, & SWITCH because they end basic blocks and are treated specially.
1142 ArithmeticOps: ADD | SUB | MUL | UDIV | SDIV | FDIV | UREM | SREM | FREM;
1143 LogicalOps : SHL | LSHR | ASHR | AND | OR | XOR;
1144 CastOps : TRUNC | ZEXT | SEXT | FPTRUNC | FPEXT | BITCAST |
1145 UITOFP | SITOFP | FPTOUI | FPTOSI | INTTOPTR | PTRTOINT;
1148 : EQ { $$ = ICmpInst::ICMP_EQ; } | NE { $$ = ICmpInst::ICMP_NE; }
1149 | SLT { $$ = ICmpInst::ICMP_SLT; } | SGT { $$ = ICmpInst::ICMP_SGT; }
1150 | SLE { $$ = ICmpInst::ICMP_SLE; } | SGE { $$ = ICmpInst::ICMP_SGE; }
1151 | ULT { $$ = ICmpInst::ICMP_ULT; } | UGT { $$ = ICmpInst::ICMP_UGT; }
1152 | ULE { $$ = ICmpInst::ICMP_ULE; } | UGE { $$ = ICmpInst::ICMP_UGE; }
1156 : OEQ { $$ = FCmpInst::FCMP_OEQ; } | ONE { $$ = FCmpInst::FCMP_ONE; }
1157 | OLT { $$ = FCmpInst::FCMP_OLT; } | OGT { $$ = FCmpInst::FCMP_OGT; }
1158 | OLE { $$ = FCmpInst::FCMP_OLE; } | OGE { $$ = FCmpInst::FCMP_OGE; }
1159 | ORD { $$ = FCmpInst::FCMP_ORD; } | UNO { $$ = FCmpInst::FCMP_UNO; }
1160 | UEQ { $$ = FCmpInst::FCMP_UEQ; } | UNE { $$ = FCmpInst::FCMP_UNE; }
1161 | ULT { $$ = FCmpInst::FCMP_ULT; } | UGT { $$ = FCmpInst::FCMP_UGT; }
1162 | ULE { $$ = FCmpInst::FCMP_ULE; } | UGE { $$ = FCmpInst::FCMP_UGE; }
1163 | TRUETOK { $$ = FCmpInst::FCMP_TRUE; }
1164 | FALSETOK { $$ = FCmpInst::FCMP_FALSE; }
1167 // These are some types that allow classification if we only want a particular
1168 // thing... for example, only a signed, unsigned, or integral type.
1170 FPType : FLOAT | DOUBLE | PPC_FP128 | FP128 | X86_FP80;
1172 LocalName : LOCALVAR | STRINGCONSTANT | PCTSTRINGCONSTANT ;
1173 OptLocalName : LocalName | /*empty*/ { $$ = 0; };
1175 OptAddrSpace : ADDRSPACE '(' EUINT64VAL ')' { $$=$3; }
1176 | /*empty*/ { $$=0; };
1178 /// OptLocalAssign - Value producing statements have an optional assignment
1180 OptLocalAssign : LocalName '=' {
1189 LocalNumber : LOCALVAL_ID '=' {
1195 GlobalName : GLOBALVAR | ATSTRINGCONSTANT ;
1197 OptGlobalAssign : GlobalAssign
1203 GlobalAssign : GlobalName '=' {
1209 : INTERNAL { $$ = GlobalValue::InternalLinkage; }
1210 | WEAK { $$ = GlobalValue::WeakLinkage; }
1211 | LINKONCE { $$ = GlobalValue::LinkOnceLinkage; }
1212 | APPENDING { $$ = GlobalValue::AppendingLinkage; }
1213 | DLLEXPORT { $$ = GlobalValue::DLLExportLinkage; }
1214 | COMMON { $$ = GlobalValue::CommonLinkage; }
1218 : DLLIMPORT { $$ = GlobalValue::DLLImportLinkage; }
1219 | EXTERN_WEAK { $$ = GlobalValue::ExternalWeakLinkage; }
1220 | EXTERNAL { $$ = GlobalValue::ExternalLinkage; }
1224 : /*empty*/ { $$ = GlobalValue::DefaultVisibility; }
1225 | DEFAULT { $$ = GlobalValue::DefaultVisibility; }
1226 | HIDDEN { $$ = GlobalValue::HiddenVisibility; }
1227 | PROTECTED { $$ = GlobalValue::ProtectedVisibility; }
1230 FunctionDeclareLinkage
1231 : /*empty*/ { $$ = GlobalValue::ExternalLinkage; }
1232 | DLLIMPORT { $$ = GlobalValue::DLLImportLinkage; }
1233 | EXTERN_WEAK { $$ = GlobalValue::ExternalWeakLinkage; }
1236 FunctionDefineLinkage
1237 : /*empty*/ { $$ = GlobalValue::ExternalLinkage; }
1238 | INTERNAL { $$ = GlobalValue::InternalLinkage; }
1239 | LINKONCE { $$ = GlobalValue::LinkOnceLinkage; }
1240 | WEAK { $$ = GlobalValue::WeakLinkage; }
1241 | DLLEXPORT { $$ = GlobalValue::DLLExportLinkage; }
1245 : /*empty*/ { $$ = GlobalValue::ExternalLinkage; }
1246 | WEAK { $$ = GlobalValue::WeakLinkage; }
1247 | INTERNAL { $$ = GlobalValue::InternalLinkage; }
1250 OptCallingConv : /*empty*/ { $$ = CallingConv::C; } |
1251 CCC_TOK { $$ = CallingConv::C; } |
1252 FASTCC_TOK { $$ = CallingConv::Fast; } |
1253 COLDCC_TOK { $$ = CallingConv::Cold; } |
1254 X86_STDCALLCC_TOK { $$ = CallingConv::X86_StdCall; } |
1255 X86_FASTCALLCC_TOK { $$ = CallingConv::X86_FastCall; } |
1256 X86_SSECALLCC_TOK { $$ = CallingConv::X86_SSECall; } |
1258 if ((unsigned)$2 != $2)
1259 GEN_ERROR("Calling conv too large");
1264 ParamAttr : ZEROEXT { $$ = ParamAttr::ZExt; }
1265 | ZEXT { $$ = ParamAttr::ZExt; }
1266 | SIGNEXT { $$ = ParamAttr::SExt; }
1267 | SEXT { $$ = ParamAttr::SExt; }
1268 | INREG { $$ = ParamAttr::InReg; }
1269 | SRET { $$ = ParamAttr::StructRet; }
1270 | NOALIAS { $$ = ParamAttr::NoAlias; }
1271 | BYVAL { $$ = ParamAttr::ByVal; }
1272 | NEST { $$ = ParamAttr::Nest; }
1273 | ALIGN EUINT64VAL { $$ =
1274 ParamAttr::constructAlignmentFromInt($2); }
1277 OptParamAttrs : /* empty */ { $$ = ParamAttr::None; }
1278 | OptParamAttrs ParamAttr {
1283 FuncAttr : NORETURN { $$ = ParamAttr::NoReturn; }
1284 | NOUNWIND { $$ = ParamAttr::NoUnwind; }
1285 | INREG { $$ = ParamAttr::InReg; }
1286 | ZEROEXT { $$ = ParamAttr::ZExt; }
1287 | SIGNEXT { $$ = ParamAttr::SExt; }
1288 | READNONE { $$ = ParamAttr::ReadNone; }
1289 | READONLY { $$ = ParamAttr::ReadOnly; }
1292 OptFuncAttrs : /* empty */ { $$ = ParamAttr::None; }
1293 | OptFuncAttrs FuncAttr {
1298 FuncNoteList : FuncNote { $$ = $1; }
1299 | FuncNoteList ',' FuncNote {
1300 FunctionNotes tmp = $1 | $3;
1301 if ($3 == FN_NOTE_NoInline && ($1 & FN_NOTE_AlwaysInline))
1302 GEN_ERROR("Function Notes may include only one inline notes!")
1303 if ($3 == FN_NOTE_AlwaysInline && ($1 & FN_NOTE_NoInline))
1304 GEN_ERROR("Function Notes may include only one inline notes!")
1310 FuncNote : INLINE '=' NEVER { $$ = FN_NOTE_NoInline; }
1311 | INLINE '=' ALWAYS { $$ = FN_NOTE_AlwaysInline; }
1312 | OPTIMIZEFORSIZE { $$ = FN_NOTE_OptimizeForSize; }
1315 OptFuncNotes : /* empty */ { $$ = FN_NOTE_None; }
1316 | FNNOTE '(' FuncNoteList ')' {
1321 OptGC : /* empty */ { $$ = 0; }
1322 | GC STRINGCONSTANT {
1327 // OptAlign/OptCAlign - An optional alignment, and an optional alignment with
1328 // a comma before it.
1329 OptAlign : /*empty*/ { $$ = 0; } |
1332 if ($$ != 0 && !isPowerOf2_32($$))
1333 GEN_ERROR("Alignment must be a power of two");
1336 OptCAlign : /*empty*/ { $$ = 0; } |
1337 ',' ALIGN EUINT64VAL {
1339 if ($$ != 0 && !isPowerOf2_32($$))
1340 GEN_ERROR("Alignment must be a power of two");
1346 SectionString : SECTION STRINGCONSTANT {
1347 for (unsigned i = 0, e = $2->length(); i != e; ++i)
1348 if ((*$2)[i] == '"' || (*$2)[i] == '\\')
1349 GEN_ERROR("Invalid character in section name");
1354 OptSection : /*empty*/ { $$ = 0; } |
1355 SectionString { $$ = $1; };
1357 // GlobalVarAttributes - Used to pass the attributes string on a global. CurGV
1358 // is set to be the global we are processing.
1360 GlobalVarAttributes : /* empty */ {} |
1361 ',' GlobalVarAttribute GlobalVarAttributes {};
1362 GlobalVarAttribute : SectionString {
1363 CurGV->setSection(*$1);
1367 | ALIGN EUINT64VAL {
1368 if ($2 != 0 && !isPowerOf2_32($2))
1369 GEN_ERROR("Alignment must be a power of two");
1370 CurGV->setAlignment($2);
1374 //===----------------------------------------------------------------------===//
1375 // Types includes all predefined types... except void, because it can only be
1376 // used in specific contexts (function returning void for example).
1378 // Derived types are added later...
1380 PrimType : INTTYPE | FLOAT | DOUBLE | PPC_FP128 | FP128 | X86_FP80 | LABEL ;
1384 $$ = new PATypeHolder(OpaqueType::get());
1388 $$ = new PATypeHolder($1);
1391 | Types OptAddrSpace '*' { // Pointer type?
1392 if (*$1 == Type::LabelTy)
1393 GEN_ERROR("Cannot form a pointer to a basic block");
1394 $$ = new PATypeHolder(HandleUpRefs(PointerType::get(*$1, $2)));
1398 | SymbolicValueRef { // Named types are also simple types...
1399 const Type* tmp = getTypeVal($1);
1401 $$ = new PATypeHolder(tmp);
1403 | '\\' EUINT64VAL { // Type UpReference
1404 if ($2 > (uint64_t)~0U) GEN_ERROR("Value out of range");
1405 OpaqueType *OT = OpaqueType::get(); // Use temporary placeholder
1406 UpRefs.push_back(UpRefRecord((unsigned)$2, OT)); // Add to vector...
1407 $$ = new PATypeHolder(OT);
1408 UR_OUT("New Upreference!\n");
1411 | Types '(' ArgTypeListI ')' OptFuncAttrs {
1412 // Allow but ignore attributes on function types; this permits auto-upgrade.
1413 // FIXME: remove in LLVM 3.0.
1414 const Type *RetTy = *$1;
1415 if (!FunctionType::isValidReturnType(RetTy))
1416 GEN_ERROR("Invalid result type for LLVM function");
1418 std::vector<const Type*> Params;
1419 TypeWithAttrsList::iterator I = $3->begin(), E = $3->end();
1420 for (; I != E; ++I ) {
1421 const Type *Ty = I->Ty->get();
1422 Params.push_back(Ty);
1425 bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
1426 if (isVarArg) Params.pop_back();
1428 for (unsigned i = 0; i != Params.size(); ++i)
1429 if (!(Params[i]->isFirstClassType() || isa<OpaqueType>(Params[i])))
1430 GEN_ERROR("Function arguments must be value types!");
1434 FunctionType *FT = FunctionType::get(RetTy, Params, isVarArg);
1435 delete $3; // Delete the argument list
1436 delete $1; // Delete the return type handle
1437 $$ = new PATypeHolder(HandleUpRefs(FT));
1440 | VOID '(' ArgTypeListI ')' OptFuncAttrs {
1441 // Allow but ignore attributes on function types; this permits auto-upgrade.
1442 // FIXME: remove in LLVM 3.0.
1443 std::vector<const Type*> Params;
1444 TypeWithAttrsList::iterator I = $3->begin(), E = $3->end();
1445 for ( ; I != E; ++I ) {
1446 const Type* Ty = I->Ty->get();
1447 Params.push_back(Ty);
1450 bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
1451 if (isVarArg) Params.pop_back();
1453 for (unsigned i = 0; i != Params.size(); ++i)
1454 if (!(Params[i]->isFirstClassType() || isa<OpaqueType>(Params[i])))
1455 GEN_ERROR("Function arguments must be value types!");
1459 FunctionType *FT = FunctionType::get($1, Params, isVarArg);
1460 delete $3; // Delete the argument list
1461 $$ = new PATypeHolder(HandleUpRefs(FT));
1465 | '[' EUINT64VAL 'x' Types ']' { // Sized array type?
1466 $$ = new PATypeHolder(HandleUpRefs(ArrayType::get(*$4, $2)));
1470 | '<' EUINT64VAL 'x' Types '>' { // Vector type?
1471 const llvm::Type* ElemTy = $4->get();
1472 if ((unsigned)$2 != $2)
1473 GEN_ERROR("Unsigned result not equal to signed result");
1474 if (!ElemTy->isFloatingPoint() && !ElemTy->isInteger())
1475 GEN_ERROR("Element type of a VectorType must be primitive");
1476 $$ = new PATypeHolder(HandleUpRefs(VectorType::get(*$4, (unsigned)$2)));
1480 | '{' TypeListI '}' { // Structure type?
1481 std::vector<const Type*> Elements;
1482 for (std::list<llvm::PATypeHolder>::iterator I = $2->begin(),
1483 E = $2->end(); I != E; ++I)
1484 Elements.push_back(*I);
1486 $$ = new PATypeHolder(HandleUpRefs(StructType::get(Elements)));
1490 | '{' '}' { // Empty structure type?
1491 $$ = new PATypeHolder(StructType::get(std::vector<const Type*>()));
1494 | '<' '{' TypeListI '}' '>' {
1495 std::vector<const Type*> Elements;
1496 for (std::list<llvm::PATypeHolder>::iterator I = $3->begin(),
1497 E = $3->end(); I != E; ++I)
1498 Elements.push_back(*I);
1500 $$ = new PATypeHolder(HandleUpRefs(StructType::get(Elements, true)));
1504 | '<' '{' '}' '>' { // Empty structure type?
1505 $$ = new PATypeHolder(StructType::get(std::vector<const Type*>(), true));
1511 : Types OptParamAttrs {
1512 // Allow but ignore attributes on function types; this permits auto-upgrade.
1513 // FIXME: remove in LLVM 3.0.
1515 $$.Attrs = ParamAttr::None;
1521 if (!UpRefs.empty())
1522 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1523 if (!(*$1)->isFirstClassType() && !isa<StructType>($1->get()))
1524 GEN_ERROR("LLVM functions cannot return aggregate types");
1528 $$ = new PATypeHolder(Type::VoidTy);
1532 ArgTypeList : ArgType {
1533 $$ = new TypeWithAttrsList();
1537 | ArgTypeList ',' ArgType {
1538 ($$=$1)->push_back($3);
1545 | ArgTypeList ',' DOTDOTDOT {
1547 TypeWithAttrs TWA; TWA.Attrs = ParamAttr::None;
1548 TWA.Ty = new PATypeHolder(Type::VoidTy);
1553 $$ = new TypeWithAttrsList;
1554 TypeWithAttrs TWA; TWA.Attrs = ParamAttr::None;
1555 TWA.Ty = new PATypeHolder(Type::VoidTy);
1560 $$ = new TypeWithAttrsList();
1564 // TypeList - Used for struct declarations and as a basis for function type
1565 // declaration type lists
1568 $$ = new std::list<PATypeHolder>();
1573 | TypeListI ',' Types {
1574 ($$=$1)->push_back(*$3);
1579 // ConstVal - The various declarations that go into the constant pool. This
1580 // production is used ONLY to represent constants that show up AFTER a 'const',
1581 // 'constant' or 'global' token at global scope. Constants that can be inlined
1582 // into other expressions (such as integers and constexprs) are handled by the
1583 // ResolvedVal, ValueRef and ConstValueRef productions.
1585 ConstVal: Types '[' ConstVector ']' { // Nonempty unsized arr
1586 if (!UpRefs.empty())
1587 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1588 const ArrayType *ATy = dyn_cast<ArrayType>($1->get());
1590 GEN_ERROR("Cannot make array constant with type: '" +
1591 (*$1)->getDescription() + "'");
1592 const Type *ETy = ATy->getElementType();
1593 uint64_t NumElements = ATy->getNumElements();
1595 // Verify that we have the correct size...
1596 if (NumElements != uint64_t(-1) && NumElements != $3->size())
1597 GEN_ERROR("Type mismatch: constant sized array initialized with " +
1598 utostr($3->size()) + " arguments, but has size of " +
1599 utostr(NumElements) + "");
1601 // Verify all elements are correct type!
1602 for (unsigned i = 0; i < $3->size(); i++) {
1603 if (ETy != (*$3)[i]->getType())
1604 GEN_ERROR("Element #" + utostr(i) + " is not of type '" +
1605 ETy->getDescription() +"' as required!\nIt is of type '"+
1606 (*$3)[i]->getType()->getDescription() + "'.");
1609 $$ = ConstantArray::get(ATy, *$3);
1610 delete $1; delete $3;
1614 if (!UpRefs.empty())
1615 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1616 const ArrayType *ATy = dyn_cast<ArrayType>($1->get());
1618 GEN_ERROR("Cannot make array constant with type: '" +
1619 (*$1)->getDescription() + "'");
1621 uint64_t NumElements = ATy->getNumElements();
1622 if (NumElements != uint64_t(-1) && NumElements != 0)
1623 GEN_ERROR("Type mismatch: constant sized array initialized with 0"
1624 " arguments, but has size of " + utostr(NumElements) +"");
1625 $$ = ConstantArray::get(ATy, std::vector<Constant*>());
1629 | Types 'c' STRINGCONSTANT {
1630 if (!UpRefs.empty())
1631 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1632 const ArrayType *ATy = dyn_cast<ArrayType>($1->get());
1634 GEN_ERROR("Cannot make array constant with type: '" +
1635 (*$1)->getDescription() + "'");
1637 uint64_t NumElements = ATy->getNumElements();
1638 const Type *ETy = ATy->getElementType();
1639 if (NumElements != uint64_t(-1) && NumElements != $3->length())
1640 GEN_ERROR("Can't build string constant of size " +
1641 utostr($3->length()) +
1642 " when array has size " + utostr(NumElements) + "");
1643 std::vector<Constant*> Vals;
1644 if (ETy == Type::Int8Ty) {
1645 for (uint64_t i = 0; i < $3->length(); ++i)
1646 Vals.push_back(ConstantInt::get(ETy, (*$3)[i]));
1649 GEN_ERROR("Cannot build string arrays of non byte sized elements");
1652 $$ = ConstantArray::get(ATy, Vals);
1656 | Types '<' ConstVector '>' { // Nonempty unsized arr
1657 if (!UpRefs.empty())
1658 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1659 const VectorType *PTy = dyn_cast<VectorType>($1->get());
1661 GEN_ERROR("Cannot make packed constant with type: '" +
1662 (*$1)->getDescription() + "'");
1663 const Type *ETy = PTy->getElementType();
1664 unsigned NumElements = PTy->getNumElements();
1666 // Verify that we have the correct size...
1667 if (NumElements != unsigned(-1) && NumElements != (unsigned)$3->size())
1668 GEN_ERROR("Type mismatch: constant sized packed initialized with " +
1669 utostr($3->size()) + " arguments, but has size of " +
1670 utostr(NumElements) + "");
1672 // Verify all elements are correct type!
1673 for (unsigned i = 0; i < $3->size(); i++) {
1674 if (ETy != (*$3)[i]->getType())
1675 GEN_ERROR("Element #" + utostr(i) + " is not of type '" +
1676 ETy->getDescription() +"' as required!\nIt is of type '"+
1677 (*$3)[i]->getType()->getDescription() + "'.");
1680 $$ = ConstantVector::get(PTy, *$3);
1681 delete $1; delete $3;
1684 | Types '{' ConstVector '}' {
1685 const StructType *STy = dyn_cast<StructType>($1->get());
1687 GEN_ERROR("Cannot make struct constant with type: '" +
1688 (*$1)->getDescription() + "'");
1690 if ($3->size() != STy->getNumContainedTypes())
1691 GEN_ERROR("Illegal number of initializers for structure type");
1693 // Check to ensure that constants are compatible with the type initializer!
1694 for (unsigned i = 0, e = $3->size(); i != e; ++i)
1695 if ((*$3)[i]->getType() != STy->getElementType(i))
1696 GEN_ERROR("Expected type '" +
1697 STy->getElementType(i)->getDescription() +
1698 "' for element #" + utostr(i) +
1699 " of structure initializer");
1701 // Check to ensure that Type is not packed
1702 if (STy->isPacked())
1703 GEN_ERROR("Unpacked Initializer to vector type '" +
1704 STy->getDescription() + "'");
1706 $$ = ConstantStruct::get(STy, *$3);
1707 delete $1; delete $3;
1711 if (!UpRefs.empty())
1712 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1713 const StructType *STy = dyn_cast<StructType>($1->get());
1715 GEN_ERROR("Cannot make struct constant with type: '" +
1716 (*$1)->getDescription() + "'");
1718 if (STy->getNumContainedTypes() != 0)
1719 GEN_ERROR("Illegal number of initializers for structure type");
1721 // Check to ensure that Type is not packed
1722 if (STy->isPacked())
1723 GEN_ERROR("Unpacked Initializer to vector type '" +
1724 STy->getDescription() + "'");
1726 $$ = ConstantStruct::get(STy, std::vector<Constant*>());
1730 | Types '<' '{' ConstVector '}' '>' {
1731 const StructType *STy = dyn_cast<StructType>($1->get());
1733 GEN_ERROR("Cannot make struct constant with type: '" +
1734 (*$1)->getDescription() + "'");
1736 if ($4->size() != STy->getNumContainedTypes())
1737 GEN_ERROR("Illegal number of initializers for structure type");
1739 // Check to ensure that constants are compatible with the type initializer!
1740 for (unsigned i = 0, e = $4->size(); i != e; ++i)
1741 if ((*$4)[i]->getType() != STy->getElementType(i))
1742 GEN_ERROR("Expected type '" +
1743 STy->getElementType(i)->getDescription() +
1744 "' for element #" + utostr(i) +
1745 " of structure initializer");
1747 // Check to ensure that Type is packed
1748 if (!STy->isPacked())
1749 GEN_ERROR("Vector initializer to non-vector type '" +
1750 STy->getDescription() + "'");
1752 $$ = ConstantStruct::get(STy, *$4);
1753 delete $1; delete $4;
1756 | Types '<' '{' '}' '>' {
1757 if (!UpRefs.empty())
1758 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1759 const StructType *STy = dyn_cast<StructType>($1->get());
1761 GEN_ERROR("Cannot make struct constant with type: '" +
1762 (*$1)->getDescription() + "'");
1764 if (STy->getNumContainedTypes() != 0)
1765 GEN_ERROR("Illegal number of initializers for structure type");
1767 // Check to ensure that Type is packed
1768 if (!STy->isPacked())
1769 GEN_ERROR("Vector initializer to non-vector type '" +
1770 STy->getDescription() + "'");
1772 $$ = ConstantStruct::get(STy, std::vector<Constant*>());
1777 if (!UpRefs.empty())
1778 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1779 const PointerType *PTy = dyn_cast<PointerType>($1->get());
1781 GEN_ERROR("Cannot make null pointer constant with type: '" +
1782 (*$1)->getDescription() + "'");
1784 $$ = ConstantPointerNull::get(PTy);
1789 if (!UpRefs.empty())
1790 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1791 $$ = UndefValue::get($1->get());
1795 | Types SymbolicValueRef {
1796 if (!UpRefs.empty())
1797 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1798 const PointerType *Ty = dyn_cast<PointerType>($1->get());
1800 GEN_ERROR("Global const reference must be a pointer type " + (*$1)->getDescription());
1802 // ConstExprs can exist in the body of a function, thus creating
1803 // GlobalValues whenever they refer to a variable. Because we are in
1804 // the context of a function, getExistingVal will search the functions
1805 // symbol table instead of the module symbol table for the global symbol,
1806 // which throws things all off. To get around this, we just tell
1807 // getExistingVal that we are at global scope here.
1809 Function *SavedCurFn = CurFun.CurrentFunction;
1810 CurFun.CurrentFunction = 0;
1812 Value *V = getExistingVal(Ty, $2);
1815 CurFun.CurrentFunction = SavedCurFn;
1817 // If this is an initializer for a constant pointer, which is referencing a
1818 // (currently) undefined variable, create a stub now that shall be replaced
1819 // in the future with the right type of variable.
1822 assert(isa<PointerType>(Ty) && "Globals may only be used as pointers!");
1823 const PointerType *PT = cast<PointerType>(Ty);
1825 // First check to see if the forward references value is already created!
1826 PerModuleInfo::GlobalRefsType::iterator I =
1827 CurModule.GlobalRefs.find(std::make_pair(PT, $2));
1829 if (I != CurModule.GlobalRefs.end()) {
1830 V = I->second; // Placeholder already exists, use it...
1834 if ($2.Type == ValID::GlobalName)
1835 Name = $2.getName();
1836 else if ($2.Type != ValID::GlobalID)
1837 GEN_ERROR("Invalid reference to global");
1839 // Create the forward referenced global.
1841 if (const FunctionType *FTy =
1842 dyn_cast<FunctionType>(PT->getElementType())) {
1843 GV = Function::Create(FTy, GlobalValue::ExternalWeakLinkage, Name,
1844 CurModule.CurrentModule);
1846 GV = new GlobalVariable(PT->getElementType(), false,
1847 GlobalValue::ExternalWeakLinkage, 0,
1848 Name, CurModule.CurrentModule);
1851 // Keep track of the fact that we have a forward ref to recycle it
1852 CurModule.GlobalRefs.insert(std::make_pair(std::make_pair(PT, $2), GV));
1857 $$ = cast<GlobalValue>(V);
1858 delete $1; // Free the type handle
1862 if (!UpRefs.empty())
1863 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1864 if ($1->get() != $2->getType())
1865 GEN_ERROR("Mismatched types for constant expression: " +
1866 (*$1)->getDescription() + " and " + $2->getType()->getDescription());
1871 | Types ZEROINITIALIZER {
1872 if (!UpRefs.empty())
1873 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1874 const Type *Ty = $1->get();
1875 if (isa<FunctionType>(Ty) || Ty == Type::LabelTy || isa<OpaqueType>(Ty))
1876 GEN_ERROR("Cannot create a null initialized value of this type");
1877 $$ = Constant::getNullValue(Ty);
1881 | IntType ESINT64VAL { // integral constants
1882 if (!ConstantInt::isValueValidForType($1, $2))
1883 GEN_ERROR("Constant value doesn't fit in type");
1884 $$ = ConstantInt::get($1, $2, true);
1887 | IntType ESAPINTVAL { // arbitrary precision integer constants
1888 uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
1889 if ($2->getBitWidth() > BitWidth) {
1890 GEN_ERROR("Constant value does not fit in type");
1892 $2->sextOrTrunc(BitWidth);
1893 $$ = ConstantInt::get(*$2);
1897 | IntType EUINT64VAL { // integral constants
1898 if (!ConstantInt::isValueValidForType($1, $2))
1899 GEN_ERROR("Constant value doesn't fit in type");
1900 $$ = ConstantInt::get($1, $2, false);
1903 | IntType EUAPINTVAL { // arbitrary precision integer constants
1904 uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
1905 if ($2->getBitWidth() > BitWidth) {
1906 GEN_ERROR("Constant value does not fit in type");
1908 $2->zextOrTrunc(BitWidth);
1909 $$ = ConstantInt::get(*$2);
1913 | INTTYPE TRUETOK { // Boolean constants
1914 if (cast<IntegerType>($1)->getBitWidth() != 1)
1915 GEN_ERROR("Constant true must have type i1");
1916 $$ = ConstantInt::getTrue();
1919 | INTTYPE FALSETOK { // Boolean constants
1920 if (cast<IntegerType>($1)->getBitWidth() != 1)
1921 GEN_ERROR("Constant false must have type i1");
1922 $$ = ConstantInt::getFalse();
1925 | FPType FPVAL { // Floating point constants
1926 if (!ConstantFP::isValueValidForType($1, *$2))
1927 GEN_ERROR("Floating point constant invalid for type");
1928 // Lexer has no type info, so builds all float and double FP constants
1929 // as double. Fix this here. Long double is done right.
1930 if (&$2->getSemantics()==&APFloat::IEEEdouble && $1==Type::FloatTy)
1931 $2->convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven);
1932 $$ = ConstantFP::get(*$2);
1938 ConstExpr: CastOps '(' ConstVal TO Types ')' {
1939 if (!UpRefs.empty())
1940 GEN_ERROR("Invalid upreference in type: " + (*$5)->getDescription());
1942 const Type *DestTy = $5->get();
1943 if (!CastInst::castIsValid($1, $3, DestTy))
1944 GEN_ERROR("invalid cast opcode for cast from '" +
1945 Val->getType()->getDescription() + "' to '" +
1946 DestTy->getDescription() + "'");
1947 $$ = ConstantExpr::getCast($1, $3, DestTy);
1950 | GETELEMENTPTR '(' ConstVal IndexList ')' {
1951 if (!isa<PointerType>($3->getType()))
1952 GEN_ERROR("GetElementPtr requires a pointer operand");
1955 GetElementPtrInst::getIndexedType($3->getType(), $4->begin(), $4->end());
1957 GEN_ERROR("Index list invalid for constant getelementptr");
1959 SmallVector<Constant*, 8> IdxVec;
1960 for (unsigned i = 0, e = $4->size(); i != e; ++i)
1961 if (Constant *C = dyn_cast<Constant>((*$4)[i]))
1962 IdxVec.push_back(C);
1964 GEN_ERROR("Indices to constant getelementptr must be constants");
1968 $$ = ConstantExpr::getGetElementPtr($3, &IdxVec[0], IdxVec.size());
1971 | SELECT '(' ConstVal ',' ConstVal ',' ConstVal ')' {
1972 if ($3->getType() != Type::Int1Ty)
1973 GEN_ERROR("Select condition must be of boolean type");
1974 if ($5->getType() != $7->getType())
1975 GEN_ERROR("Select operand types must match");
1976 $$ = ConstantExpr::getSelect($3, $5, $7);
1979 | ArithmeticOps '(' ConstVal ',' ConstVal ')' {
1980 if ($3->getType() != $5->getType())
1981 GEN_ERROR("Binary operator types must match");
1983 $$ = ConstantExpr::get($1, $3, $5);
1985 | LogicalOps '(' ConstVal ',' ConstVal ')' {
1986 if ($3->getType() != $5->getType())
1987 GEN_ERROR("Logical operator types must match");
1988 if (!$3->getType()->isInteger()) {
1989 if (!isa<VectorType>($3->getType()) ||
1990 !cast<VectorType>($3->getType())->getElementType()->isInteger())
1991 GEN_ERROR("Logical operator requires integral operands");
1993 $$ = ConstantExpr::get($1, $3, $5);
1996 | ICMP IPredicates '(' ConstVal ',' ConstVal ')' {
1997 if ($4->getType() != $6->getType())
1998 GEN_ERROR("icmp operand types must match");
1999 $$ = ConstantExpr::getICmp($2, $4, $6);
2001 | FCMP FPredicates '(' ConstVal ',' ConstVal ')' {
2002 if ($4->getType() != $6->getType())
2003 GEN_ERROR("fcmp operand types must match");
2004 $$ = ConstantExpr::getFCmp($2, $4, $6);
2006 | VICMP IPredicates '(' ConstVal ',' ConstVal ')' {
2007 if ($4->getType() != $6->getType())
2008 GEN_ERROR("vicmp operand types must match");
2009 $$ = ConstantExpr::getVICmp($2, $4, $6);
2011 | VFCMP FPredicates '(' ConstVal ',' ConstVal ')' {
2012 if ($4->getType() != $6->getType())
2013 GEN_ERROR("vfcmp operand types must match");
2014 $$ = ConstantExpr::getVFCmp($2, $4, $6);
2016 | EXTRACTELEMENT '(' ConstVal ',' ConstVal ')' {
2017 if (!ExtractElementInst::isValidOperands($3, $5))
2018 GEN_ERROR("Invalid extractelement operands");
2019 $$ = ConstantExpr::getExtractElement($3, $5);
2022 | INSERTELEMENT '(' ConstVal ',' ConstVal ',' ConstVal ')' {
2023 if (!InsertElementInst::isValidOperands($3, $5, $7))
2024 GEN_ERROR("Invalid insertelement operands");
2025 $$ = ConstantExpr::getInsertElement($3, $5, $7);
2028 | SHUFFLEVECTOR '(' ConstVal ',' ConstVal ',' ConstVal ')' {
2029 if (!ShuffleVectorInst::isValidOperands($3, $5, $7))
2030 GEN_ERROR("Invalid shufflevector operands");
2031 $$ = ConstantExpr::getShuffleVector($3, $5, $7);
2034 | EXTRACTVALUE '(' ConstVal ConstantIndexList ')' {
2035 if (!isa<StructType>($3->getType()) && !isa<ArrayType>($3->getType()))
2036 GEN_ERROR("ExtractValue requires an aggregate operand");
2038 $$ = ConstantExpr::getExtractValue($3, &(*$4)[0], $4->size());
2042 | INSERTVALUE '(' ConstVal ',' ConstVal ConstantIndexList ')' {
2043 if (!isa<StructType>($3->getType()) && !isa<ArrayType>($3->getType()))
2044 GEN_ERROR("InsertValue requires an aggregate operand");
2046 $$ = ConstantExpr::getInsertValue($3, $5, &(*$6)[0], $6->size());
2052 // ConstVector - A list of comma separated constants.
2053 ConstVector : ConstVector ',' ConstVal {
2054 ($$ = $1)->push_back($3);
2058 $$ = new std::vector<Constant*>();
2064 // GlobalType - Match either GLOBAL or CONSTANT for global declarations...
2065 GlobalType : GLOBAL { $$ = false; } | CONSTANT { $$ = true; };
2068 ThreadLocal : THREAD_LOCAL { $$ = true; } | { $$ = false; };
2070 // AliaseeRef - Match either GlobalValue or bitcast to GlobalValue.
2071 AliaseeRef : ResultTypes SymbolicValueRef {
2072 const Type* VTy = $1->get();
2073 Value *V = getVal(VTy, $2);
2075 GlobalValue* Aliasee = dyn_cast<GlobalValue>(V);
2077 GEN_ERROR("Aliases can be created only to global values");
2083 | BITCAST '(' AliaseeRef TO Types ')' {
2085 const Type *DestTy = $5->get();
2086 if (!CastInst::castIsValid($1, $3, DestTy))
2087 GEN_ERROR("invalid cast opcode for cast from '" +
2088 Val->getType()->getDescription() + "' to '" +
2089 DestTy->getDescription() + "'");
2091 $$ = ConstantExpr::getCast($1, $3, DestTy);
2096 //===----------------------------------------------------------------------===//
2097 // Rules to match Modules
2098 //===----------------------------------------------------------------------===//
2100 // Module rule: Capture the result of parsing the whole file into a result
2105 $$ = ParserResult = CurModule.CurrentModule;
2106 CurModule.ModuleDone();
2110 $$ = ParserResult = CurModule.CurrentModule;
2111 CurModule.ModuleDone();
2118 | DefinitionList Definition
2122 : DEFINE { CurFun.isDeclare = false; } Function {
2123 CurFun.FunctionDone();
2126 | DECLARE { CurFun.isDeclare = true; } FunctionProto {
2129 | MODULE ASM_TOK AsmBlock {
2132 | OptLocalAssign TYPE Types {
2133 if (!UpRefs.empty())
2134 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
2135 // Eagerly resolve types. This is not an optimization, this is a
2136 // requirement that is due to the fact that we could have this:
2138 // %list = type { %list * }
2139 // %list = type { %list * } ; repeated type decl
2141 // If types are not resolved eagerly, then the two types will not be
2142 // determined to be the same type!
2144 ResolveTypeTo($1, *$3);
2146 if (!setTypeName(*$3, $1) && !$1) {
2148 // If this is a named type that is not a redefinition, add it to the slot
2150 CurModule.Types.push_back(*$3);
2156 | OptLocalAssign TYPE VOID {
2157 ResolveTypeTo($1, $3);
2159 if (!setTypeName($3, $1) && !$1) {
2161 // If this is a named type that is not a redefinition, add it to the slot
2163 CurModule.Types.push_back($3);
2167 | OptGlobalAssign GVVisibilityStyle ThreadLocal GlobalType ConstVal
2169 /* "Externally Visible" Linkage */
2171 GEN_ERROR("Global value initializer is not a constant");
2172 CurGV = ParseGlobalVariable($1, GlobalValue::ExternalLinkage,
2173 $2, $4, $5->getType(), $5, $3, $6);
2175 } GlobalVarAttributes {
2178 | OptGlobalAssign GVInternalLinkage GVVisibilityStyle ThreadLocal GlobalType
2179 ConstVal OptAddrSpace {
2181 GEN_ERROR("Global value initializer is not a constant");
2182 CurGV = ParseGlobalVariable($1, $2, $3, $5, $6->getType(), $6, $4, $7);
2184 } GlobalVarAttributes {
2187 | OptGlobalAssign GVExternalLinkage GVVisibilityStyle ThreadLocal GlobalType
2188 Types OptAddrSpace {
2189 if (!UpRefs.empty())
2190 GEN_ERROR("Invalid upreference in type: " + (*$6)->getDescription());
2191 CurGV = ParseGlobalVariable($1, $2, $3, $5, *$6, 0, $4, $7);
2194 } GlobalVarAttributes {
2198 | OptGlobalAssign GVVisibilityStyle ALIAS AliasLinkage AliaseeRef {
2205 GEN_ERROR("Alias name cannot be empty");
2207 Constant* Aliasee = $5;
2209 GEN_ERROR(std::string("Invalid aliasee for alias: ") + Name);
2211 GlobalAlias* GA = new GlobalAlias(Aliasee->getType(), $4, Name, Aliasee,
2212 CurModule.CurrentModule);
2213 GA->setVisibility($2);
2214 InsertValue(GA, CurModule.Values);
2217 // If there was a forward reference of this alias, resolve it now.
2221 ID = ValID::createGlobalName(Name);
2223 ID = ValID::createGlobalID(CurModule.Values.size()-1);
2225 if (GlobalValue *FWGV =
2226 CurModule.GetForwardRefForGlobal(GA->getType(), ID)) {
2227 // Replace uses of the fwdref with the actual alias.
2228 FWGV->replaceAllUsesWith(GA);
2229 if (GlobalVariable *GV = dyn_cast<GlobalVariable>(FWGV))
2230 GV->eraseFromParent();
2232 cast<Function>(FWGV)->eraseFromParent();
2238 | TARGET TargetDefinition {
2241 | DEPLIBS '=' LibrariesDefinition {
2247 AsmBlock : STRINGCONSTANT {
2248 const std::string &AsmSoFar = CurModule.CurrentModule->getModuleInlineAsm();
2249 if (AsmSoFar.empty())
2250 CurModule.CurrentModule->setModuleInlineAsm(*$1);
2252 CurModule.CurrentModule->setModuleInlineAsm(AsmSoFar+"\n"+*$1);
2257 TargetDefinition : TRIPLE '=' STRINGCONSTANT {
2258 CurModule.CurrentModule->setTargetTriple(*$3);
2261 | DATALAYOUT '=' STRINGCONSTANT {
2262 CurModule.CurrentModule->setDataLayout(*$3);
2266 LibrariesDefinition : '[' LibList ']';
2268 LibList : LibList ',' STRINGCONSTANT {
2269 CurModule.CurrentModule->addLibrary(*$3);
2274 CurModule.CurrentModule->addLibrary(*$1);
2278 | /* empty: end of list */ {
2283 //===----------------------------------------------------------------------===//
2284 // Rules to match Function Headers
2285 //===----------------------------------------------------------------------===//
2287 ArgListH : ArgListH ',' Types OptParamAttrs OptLocalName {
2288 if (!UpRefs.empty())
2289 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
2290 if (!(*$3)->isFirstClassType())
2291 GEN_ERROR("Argument types must be first-class");
2292 ArgListEntry E; E.Attrs = $4; E.Ty = $3; E.Name = $5;
2297 | Types OptParamAttrs OptLocalName {
2298 if (!UpRefs.empty())
2299 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
2300 if (!(*$1)->isFirstClassType())
2301 GEN_ERROR("Argument types must be first-class");
2302 ArgListEntry E; E.Attrs = $2; E.Ty = $1; E.Name = $3;
2303 $$ = new ArgListType;
2308 ArgList : ArgListH {
2312 | ArgListH ',' DOTDOTDOT {
2314 struct ArgListEntry E;
2315 E.Ty = new PATypeHolder(Type::VoidTy);
2317 E.Attrs = ParamAttr::None;
2322 $$ = new ArgListType;
2323 struct ArgListEntry E;
2324 E.Ty = new PATypeHolder(Type::VoidTy);
2326 E.Attrs = ParamAttr::None;
2335 FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
2336 OptFuncAttrs OptSection OptAlign OptGC OptFuncNotes {
2337 std::string FunctionName(*$3);
2338 delete $3; // Free strdup'd memory!
2340 // Check the function result for abstractness if this is a define. We should
2341 // have no abstract types at this point
2342 if (!CurFun.isDeclare && CurModule.TypeIsUnresolved($2))
2343 GEN_ERROR("Reference to abstract result: "+ $2->get()->getDescription());
2345 if (!FunctionType::isValidReturnType(*$2))
2346 GEN_ERROR("Invalid result type for LLVM function");
2348 std::vector<const Type*> ParamTypeList;
2349 SmallVector<ParamAttrsWithIndex, 8> Attrs;
2350 if ($7 != ParamAttr::None)
2351 Attrs.push_back(ParamAttrsWithIndex::get(0, $7));
2352 if ($5) { // If there are arguments...
2354 for (ArgListType::iterator I = $5->begin(); I != $5->end(); ++I, ++index) {
2355 const Type* Ty = I->Ty->get();
2356 if (!CurFun.isDeclare && CurModule.TypeIsUnresolved(I->Ty))
2357 GEN_ERROR("Reference to abstract argument: " + Ty->getDescription());
2358 ParamTypeList.push_back(Ty);
2359 if (Ty != Type::VoidTy && I->Attrs != ParamAttr::None)
2360 Attrs.push_back(ParamAttrsWithIndex::get(index, I->Attrs));
2364 bool isVarArg = ParamTypeList.size() && ParamTypeList.back() == Type::VoidTy;
2365 if (isVarArg) ParamTypeList.pop_back();
2369 PAL = PAListPtr::get(Attrs.begin(), Attrs.end());
2371 FunctionType *FT = FunctionType::get(*$2, ParamTypeList, isVarArg);
2372 const PointerType *PFT = PointerType::getUnqual(FT);
2376 if (!FunctionName.empty()) {
2377 ID = ValID::createGlobalName((char*)FunctionName.c_str());
2379 ID = ValID::createGlobalID(CurModule.Values.size());
2383 // See if this function was forward referenced. If so, recycle the object.
2384 if (GlobalValue *FWRef = CurModule.GetForwardRefForGlobal(PFT, ID)) {
2385 // Move the function to the end of the list, from whereever it was
2386 // previously inserted.
2387 Fn = cast<Function>(FWRef);
2388 assert(Fn->getParamAttrs().isEmpty() &&
2389 "Forward reference has parameter attributes!");
2390 CurModule.CurrentModule->getFunctionList().remove(Fn);
2391 CurModule.CurrentModule->getFunctionList().push_back(Fn);
2392 } else if (!FunctionName.empty() && // Merge with an earlier prototype?
2393 (Fn = CurModule.CurrentModule->getFunction(FunctionName))) {
2394 if (Fn->getFunctionType() != FT ) {
2395 // The existing function doesn't have the same type. This is an overload
2397 GEN_ERROR("Overload of function '" + FunctionName + "' not permitted.");
2398 } else if (Fn->getParamAttrs() != PAL) {
2399 // The existing function doesn't have the same parameter attributes.
2400 // This is an overload error.
2401 GEN_ERROR("Overload of function '" + FunctionName + "' not permitted.");
2402 } else if (!CurFun.isDeclare && !Fn->isDeclaration()) {
2403 // Neither the existing or the current function is a declaration and they
2404 // have the same name and same type. Clearly this is a redefinition.
2405 GEN_ERROR("Redefinition of function '" + FunctionName + "'");
2406 } else if (Fn->isDeclaration()) {
2407 // Make sure to strip off any argument names so we can't get conflicts.
2408 for (Function::arg_iterator AI = Fn->arg_begin(), AE = Fn->arg_end();
2412 } else { // Not already defined?
2413 Fn = Function::Create(FT, GlobalValue::ExternalWeakLinkage, FunctionName,
2414 CurModule.CurrentModule);
2415 InsertValue(Fn, CurModule.Values);
2418 CurFun.FunctionStart(Fn);
2420 if (CurFun.isDeclare) {
2421 // If we have declaration, always overwrite linkage. This will allow us to
2422 // correctly handle cases, when pointer to function is passed as argument to
2423 // another function.
2424 Fn->setLinkage(CurFun.Linkage);
2425 Fn->setVisibility(CurFun.Visibility);
2427 Fn->setCallingConv($1);
2428 Fn->setParamAttrs(PAL);
2429 Fn->setAlignment($9);
2431 Fn->setSection(*$8);
2435 Fn->setGC($10->c_str());
2442 // Add all of the arguments we parsed to the function...
2443 if ($5) { // Is null if empty...
2444 if (isVarArg) { // Nuke the last entry
2445 assert($5->back().Ty->get() == Type::VoidTy && $5->back().Name == 0 &&
2446 "Not a varargs marker!");
2447 delete $5->back().Ty;
2448 $5->pop_back(); // Delete the last entry
2450 Function::arg_iterator ArgIt = Fn->arg_begin();
2451 Function::arg_iterator ArgEnd = Fn->arg_end();
2453 for (ArgListType::iterator I = $5->begin();
2454 I != $5->end() && ArgIt != ArgEnd; ++I, ++ArgIt) {
2455 delete I->Ty; // Delete the typeholder...
2456 setValueName(ArgIt, I->Name); // Insert arg into symtab...
2462 delete $5; // We're now done with the argument list
2467 BEGIN : BEGINTOK | '{'; // Allow BEGIN or '{' to start a function
2469 FunctionHeader : FunctionDefineLinkage GVVisibilityStyle FunctionHeaderH BEGIN {
2470 $$ = CurFun.CurrentFunction;
2472 // Make sure that we keep track of the linkage type even if there was a
2473 // previous "declare".
2475 $$->setVisibility($2);
2478 END : ENDTOK | '}'; // Allow end of '}' to end a function
2480 Function : BasicBlockList END {
2485 FunctionProto : FunctionDeclareLinkage GVVisibilityStyle FunctionHeaderH {
2486 CurFun.CurrentFunction->setLinkage($1);
2487 CurFun.CurrentFunction->setVisibility($2);
2488 $$ = CurFun.CurrentFunction;
2489 CurFun.FunctionDone();
2493 //===----------------------------------------------------------------------===//
2494 // Rules to match Basic Blocks
2495 //===----------------------------------------------------------------------===//
2497 OptSideEffect : /* empty */ {
2506 ConstValueRef : ESINT64VAL { // A reference to a direct constant
2507 $$ = ValID::create($1);
2511 $$ = ValID::create($1);
2514 | ESAPINTVAL { // arbitrary precision integer constants
2515 $$ = ValID::create(*$1, true);
2519 | EUAPINTVAL { // arbitrary precision integer constants
2520 $$ = ValID::create(*$1, false);
2524 | FPVAL { // Perhaps it's an FP constant?
2525 $$ = ValID::create($1);
2529 $$ = ValID::create(ConstantInt::getTrue());
2533 $$ = ValID::create(ConstantInt::getFalse());
2537 $$ = ValID::createNull();
2541 $$ = ValID::createUndef();
2544 | ZEROINITIALIZER { // A vector zero constant.
2545 $$ = ValID::createZeroInit();
2548 | '<' ConstVector '>' { // Nonempty unsized packed vector
2549 const Type *ETy = (*$2)[0]->getType();
2550 unsigned NumElements = $2->size();
2552 if (!ETy->isInteger() && !ETy->isFloatingPoint())
2553 GEN_ERROR("Invalid vector element type: " + ETy->getDescription());
2555 VectorType* pt = VectorType::get(ETy, NumElements);
2556 PATypeHolder* PTy = new PATypeHolder(HandleUpRefs(pt));
2558 // Verify all elements are correct type!
2559 for (unsigned i = 0; i < $2->size(); i++) {
2560 if (ETy != (*$2)[i]->getType())
2561 GEN_ERROR("Element #" + utostr(i) + " is not of type '" +
2562 ETy->getDescription() +"' as required!\nIt is of type '" +
2563 (*$2)[i]->getType()->getDescription() + "'.");
2566 $$ = ValID::create(ConstantVector::get(pt, *$2));
2567 delete PTy; delete $2;
2570 | '[' ConstVector ']' { // Nonempty unsized arr
2571 const Type *ETy = (*$2)[0]->getType();
2572 uint64_t NumElements = $2->size();
2574 if (!ETy->isFirstClassType())
2575 GEN_ERROR("Invalid array element type: " + ETy->getDescription());
2577 ArrayType *ATy = ArrayType::get(ETy, NumElements);
2578 PATypeHolder* PTy = new PATypeHolder(HandleUpRefs(ATy));
2580 // Verify all elements are correct type!
2581 for (unsigned i = 0; i < $2->size(); i++) {
2582 if (ETy != (*$2)[i]->getType())
2583 GEN_ERROR("Element #" + utostr(i) + " is not of type '" +
2584 ETy->getDescription() +"' as required!\nIt is of type '"+
2585 (*$2)[i]->getType()->getDescription() + "'.");
2588 $$ = ValID::create(ConstantArray::get(ATy, *$2));
2589 delete PTy; delete $2;
2593 // Use undef instead of an array because it's inconvenient to determine
2594 // the element type at this point, there being no elements to examine.
2595 $$ = ValID::createUndef();
2598 | 'c' STRINGCONSTANT {
2599 uint64_t NumElements = $2->length();
2600 const Type *ETy = Type::Int8Ty;
2602 ArrayType *ATy = ArrayType::get(ETy, NumElements);
2604 std::vector<Constant*> Vals;
2605 for (unsigned i = 0; i < $2->length(); ++i)
2606 Vals.push_back(ConstantInt::get(ETy, (*$2)[i]));
2608 $$ = ValID::create(ConstantArray::get(ATy, Vals));
2611 | '{' ConstVector '}' {
2612 std::vector<const Type*> Elements($2->size());
2613 for (unsigned i = 0, e = $2->size(); i != e; ++i)
2614 Elements[i] = (*$2)[i]->getType();
2616 const StructType *STy = StructType::get(Elements);
2617 PATypeHolder* PTy = new PATypeHolder(HandleUpRefs(STy));
2619 $$ = ValID::create(ConstantStruct::get(STy, *$2));
2620 delete PTy; delete $2;
2624 const StructType *STy = StructType::get(std::vector<const Type*>());
2625 $$ = ValID::create(ConstantStruct::get(STy, std::vector<Constant*>()));
2628 | '<' '{' ConstVector '}' '>' {
2629 std::vector<const Type*> Elements($3->size());
2630 for (unsigned i = 0, e = $3->size(); i != e; ++i)
2631 Elements[i] = (*$3)[i]->getType();
2633 const StructType *STy = StructType::get(Elements, /*isPacked=*/true);
2634 PATypeHolder* PTy = new PATypeHolder(HandleUpRefs(STy));
2636 $$ = ValID::create(ConstantStruct::get(STy, *$3));
2637 delete PTy; delete $3;
2641 const StructType *STy = StructType::get(std::vector<const Type*>(),
2643 $$ = ValID::create(ConstantStruct::get(STy, std::vector<Constant*>()));
2647 $$ = ValID::create($1);
2650 | ASM_TOK OptSideEffect STRINGCONSTANT ',' STRINGCONSTANT {
2651 $$ = ValID::createInlineAsm(*$3, *$5, $2);
2657 // SymbolicValueRef - Reference to one of two ways of symbolically refering to
2660 SymbolicValueRef : LOCALVAL_ID { // Is it an integer reference...?
2661 $$ = ValID::createLocalID($1);
2665 $$ = ValID::createGlobalID($1);
2668 | LocalName { // Is it a named reference...?
2669 $$ = ValID::createLocalName(*$1);
2673 | GlobalName { // Is it a named reference...?
2674 $$ = ValID::createGlobalName(*$1);
2679 // ValueRef - A reference to a definition... either constant or symbolic
2680 ValueRef : SymbolicValueRef | ConstValueRef;
2683 // ResolvedVal - a <type> <value> pair. This is used only in cases where the
2684 // type immediately preceeds the value reference, and allows complex constant
2685 // pool references (for things like: 'ret [2 x int] [ int 12, int 42]')
2686 ResolvedVal : Types ValueRef {
2687 if (!UpRefs.empty())
2688 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
2689 $$ = getVal(*$1, $2);
2695 ReturnedVal : ResolvedVal {
2696 $$ = new std::vector<Value *>();
2700 | ReturnedVal ',' ResolvedVal {
2701 ($$=$1)->push_back($3);
2705 BasicBlockList : BasicBlockList BasicBlock {
2709 | FunctionHeader BasicBlock { // Do not allow functions with 0 basic blocks
2715 // Basic blocks are terminated by branching instructions:
2716 // br, br/cc, switch, ret
2718 BasicBlock : InstructionList OptLocalAssign BBTerminatorInst {
2719 setValueName($3, $2);
2722 $1->getInstList().push_back($3);
2727 BasicBlock : InstructionList LocalNumber BBTerminatorInst {
2729 int ValNum = InsertValue($3);
2730 if (ValNum != (int)$2)
2731 GEN_ERROR("Result value number %" + utostr($2) +
2732 " is incorrect, expected %" + utostr((unsigned)ValNum));
2734 $1->getInstList().push_back($3);
2740 InstructionList : InstructionList Inst {
2741 if (CastInst *CI1 = dyn_cast<CastInst>($2))
2742 if (CastInst *CI2 = dyn_cast<CastInst>(CI1->getOperand(0)))
2743 if (CI2->getParent() == 0)
2744 $1->getInstList().push_back(CI2);
2745 $1->getInstList().push_back($2);
2749 | /* empty */ { // Empty space between instruction lists
2750 $$ = defineBBVal(ValID::createLocalID(CurFun.NextValNum));
2753 | LABELSTR { // Labelled (named) basic block
2754 $$ = defineBBVal(ValID::createLocalName(*$1));
2761 RET ReturnedVal { // Return with a result...
2762 ValueList &VL = *$2;
2763 assert(!VL.empty() && "Invalid ret operands!");
2764 const Type *ReturnType = CurFun.CurrentFunction->getReturnType();
2765 if (VL.size() > 1 ||
2766 (isa<StructType>(ReturnType) &&
2767 (VL.empty() || VL[0]->getType() != ReturnType))) {
2768 Value *RV = UndefValue::get(ReturnType);
2769 for (unsigned i = 0, e = VL.size(); i != e; ++i) {
2770 Instruction *I = InsertValueInst::Create(RV, VL[i], i, "mrv");
2771 ($<BasicBlockVal>-1)->getInstList().push_back(I);
2774 $$ = ReturnInst::Create(RV);
2776 $$ = ReturnInst::Create(VL[0]);
2781 | RET VOID { // Return with no result...
2782 $$ = ReturnInst::Create();
2785 | BR LABEL ValueRef { // Unconditional Branch...
2786 BasicBlock* tmpBB = getBBVal($3);
2788 $$ = BranchInst::Create(tmpBB);
2789 } // Conditional Branch...
2790 | BR INTTYPE ValueRef ',' LABEL ValueRef ',' LABEL ValueRef {
2791 if (cast<IntegerType>($2)->getBitWidth() != 1)
2792 GEN_ERROR("Branch condition must have type i1");
2793 BasicBlock* tmpBBA = getBBVal($6);
2795 BasicBlock* tmpBBB = getBBVal($9);
2797 Value* tmpVal = getVal(Type::Int1Ty, $3);
2799 $$ = BranchInst::Create(tmpBBA, tmpBBB, tmpVal);
2801 | SWITCH IntType ValueRef ',' LABEL ValueRef '[' JumpTable ']' {
2802 Value* tmpVal = getVal($2, $3);
2804 BasicBlock* tmpBB = getBBVal($6);
2806 SwitchInst *S = SwitchInst::Create(tmpVal, tmpBB, $8->size());
2809 std::vector<std::pair<Constant*,BasicBlock*> >::iterator I = $8->begin(),
2811 for (; I != E; ++I) {
2812 if (ConstantInt *CI = dyn_cast<ConstantInt>(I->first))
2813 S->addCase(CI, I->second);
2815 GEN_ERROR("Switch case is constant, but not a simple integer");
2820 | SWITCH IntType ValueRef ',' LABEL ValueRef '[' ']' {
2821 Value* tmpVal = getVal($2, $3);
2823 BasicBlock* tmpBB = getBBVal($6);
2825 SwitchInst *S = SwitchInst::Create(tmpVal, tmpBB, 0);
2829 | INVOKE OptCallingConv ResultTypes ValueRef '(' ParamList ')' OptFuncAttrs
2830 TO LABEL ValueRef UNWIND LABEL ValueRef {
2832 // Handle the short syntax
2833 const PointerType *PFTy = 0;
2834 const FunctionType *Ty = 0;
2835 if (!(PFTy = dyn_cast<PointerType>($3->get())) ||
2836 !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
2837 // Pull out the types of all of the arguments...
2838 std::vector<const Type*> ParamTypes;
2839 ParamList::iterator I = $6->begin(), E = $6->end();
2840 for (; I != E; ++I) {
2841 const Type *Ty = I->Val->getType();
2842 if (Ty == Type::VoidTy)
2843 GEN_ERROR("Short call syntax cannot be used with varargs");
2844 ParamTypes.push_back(Ty);
2847 if (!FunctionType::isValidReturnType(*$3))
2848 GEN_ERROR("Invalid result type for LLVM function");
2850 Ty = FunctionType::get($3->get(), ParamTypes, false);
2851 PFTy = PointerType::getUnqual(Ty);
2856 Value *V = getVal(PFTy, $4); // Get the function we're calling...
2858 BasicBlock *Normal = getBBVal($11);
2860 BasicBlock *Except = getBBVal($14);
2863 SmallVector<ParamAttrsWithIndex, 8> Attrs;
2864 if ($8 != ParamAttr::None)
2865 Attrs.push_back(ParamAttrsWithIndex::get(0, $8));
2867 // Check the arguments
2869 if ($6->empty()) { // Has no arguments?
2870 // Make sure no arguments is a good thing!
2871 if (Ty->getNumParams() != 0)
2872 GEN_ERROR("No arguments passed to a function that "
2873 "expects arguments");
2874 } else { // Has arguments?
2875 // Loop through FunctionType's arguments and ensure they are specified
2877 FunctionType::param_iterator I = Ty->param_begin();
2878 FunctionType::param_iterator E = Ty->param_end();
2879 ParamList::iterator ArgI = $6->begin(), ArgE = $6->end();
2882 for (; ArgI != ArgE && I != E; ++ArgI, ++I, ++index) {
2883 if (ArgI->Val->getType() != *I)
2884 GEN_ERROR("Parameter " + ArgI->Val->getName()+ " is not of type '" +
2885 (*I)->getDescription() + "'");
2886 Args.push_back(ArgI->Val);
2887 if (ArgI->Attrs != ParamAttr::None)
2888 Attrs.push_back(ParamAttrsWithIndex::get(index, ArgI->Attrs));
2891 if (Ty->isVarArg()) {
2893 for (; ArgI != ArgE; ++ArgI, ++index) {
2894 Args.push_back(ArgI->Val); // push the remaining varargs
2895 if (ArgI->Attrs != ParamAttr::None)
2896 Attrs.push_back(ParamAttrsWithIndex::get(index, ArgI->Attrs));
2898 } else if (I != E || ArgI != ArgE)
2899 GEN_ERROR("Invalid number of parameters detected");
2904 PAL = PAListPtr::get(Attrs.begin(), Attrs.end());
2906 // Create the InvokeInst
2907 InvokeInst *II = InvokeInst::Create(V, Normal, Except,
2908 Args.begin(), Args.end());
2909 II->setCallingConv($2);
2910 II->setParamAttrs(PAL);
2916 $$ = new UnwindInst();
2920 $$ = new UnreachableInst();
2926 JumpTable : JumpTable IntType ConstValueRef ',' LABEL ValueRef {
2928 Constant *V = cast<Constant>(getExistingVal($2, $3));
2931 GEN_ERROR("May only switch on a constant pool value");
2933 BasicBlock* tmpBB = getBBVal($6);
2935 $$->push_back(std::make_pair(V, tmpBB));
2937 | IntType ConstValueRef ',' LABEL ValueRef {
2938 $$ = new std::vector<std::pair<Constant*, BasicBlock*> >();
2939 Constant *V = cast<Constant>(getExistingVal($1, $2));
2943 GEN_ERROR("May only switch on a constant pool value");
2945 BasicBlock* tmpBB = getBBVal($5);
2947 $$->push_back(std::make_pair(V, tmpBB));
2950 Inst : OptLocalAssign InstVal {
2951 // Is this definition named?? if so, assign the name...
2952 setValueName($2, $1);
2959 Inst : LocalNumber InstVal {
2961 int ValNum = InsertValue($2);
2963 if (ValNum != (int)$1)
2964 GEN_ERROR("Result value number %" + utostr($1) +
2965 " is incorrect, expected %" + utostr((unsigned)ValNum));
2972 PHIList : Types '[' ValueRef ',' ValueRef ']' { // Used for PHI nodes
2973 if (!UpRefs.empty())
2974 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
2975 $$ = new std::list<std::pair<Value*, BasicBlock*> >();
2976 Value* tmpVal = getVal(*$1, $3);
2978 BasicBlock* tmpBB = getBBVal($5);
2980 $$->push_back(std::make_pair(tmpVal, tmpBB));
2983 | PHIList ',' '[' ValueRef ',' ValueRef ']' {
2985 Value* tmpVal = getVal($1->front().first->getType(), $4);
2987 BasicBlock* tmpBB = getBBVal($6);
2989 $1->push_back(std::make_pair(tmpVal, tmpBB));
2993 ParamList : Types OptParamAttrs ValueRef OptParamAttrs {
2994 // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
2995 if (!UpRefs.empty())
2996 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
2997 // Used for call and invoke instructions
2998 $$ = new ParamList();
2999 ParamListEntry E; E.Attrs = $2 | $4; E.Val = getVal($1->get(), $3);
3004 | LABEL OptParamAttrs ValueRef OptParamAttrs {
3005 // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
3006 // Labels are only valid in ASMs
3007 $$ = new ParamList();
3008 ParamListEntry E; E.Attrs = $2 | $4; E.Val = getBBVal($3);
3012 | ParamList ',' Types OptParamAttrs ValueRef OptParamAttrs {
3013 // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
3014 if (!UpRefs.empty())
3015 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3017 ParamListEntry E; E.Attrs = $4 | $6; E.Val = getVal($3->get(), $5);
3022 | ParamList ',' LABEL OptParamAttrs ValueRef OptParamAttrs {
3023 // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
3025 ParamListEntry E; E.Attrs = $4 | $6; E.Val = getBBVal($5);
3029 | /*empty*/ { $$ = new ParamList(); };
3031 IndexList // Used for gep instructions and constant expressions
3032 : /*empty*/ { $$ = new std::vector<Value*>(); }
3033 | IndexList ',' ResolvedVal {
3040 ConstantIndexList // Used for insertvalue and extractvalue instructions
3042 $$ = new std::vector<unsigned>();
3043 if ((unsigned)$2 != $2)
3044 GEN_ERROR("Index " + utostr($2) + " is not valid for insertvalue or extractvalue.");
3047 | ConstantIndexList ',' EUINT64VAL {
3049 if ((unsigned)$3 != $3)
3050 GEN_ERROR("Index " + utostr($3) + " is not valid for insertvalue or extractvalue.");
3056 OptTailCall : TAIL CALL {
3065 InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
3066 if (!UpRefs.empty())
3067 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3068 if (!(*$2)->isInteger() && !(*$2)->isFloatingPoint() &&
3069 !isa<VectorType>((*$2).get()))
3071 "Arithmetic operator requires integer, FP, or packed operands");
3072 Value* val1 = getVal(*$2, $3);
3074 Value* val2 = getVal(*$2, $5);
3076 $$ = BinaryOperator::Create($1, val1, val2);
3078 GEN_ERROR("binary operator returned null");
3081 | LogicalOps Types ValueRef ',' ValueRef {
3082 if (!UpRefs.empty())
3083 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3084 if (!(*$2)->isInteger()) {
3085 if (!isa<VectorType>($2->get()) ||
3086 !cast<VectorType>($2->get())->getElementType()->isInteger())
3087 GEN_ERROR("Logical operator requires integral operands");
3089 Value* tmpVal1 = getVal(*$2, $3);
3091 Value* tmpVal2 = getVal(*$2, $5);
3093 $$ = BinaryOperator::Create($1, tmpVal1, tmpVal2);
3095 GEN_ERROR("binary operator returned null");
3098 | ICMP IPredicates Types ValueRef ',' ValueRef {
3099 if (!UpRefs.empty())
3100 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3101 Value* tmpVal1 = getVal(*$3, $4);
3103 Value* tmpVal2 = getVal(*$3, $6);
3105 $$ = CmpInst::Create($1, $2, tmpVal1, tmpVal2);
3107 GEN_ERROR("icmp operator returned null");
3110 | FCMP FPredicates Types ValueRef ',' ValueRef {
3111 if (!UpRefs.empty())
3112 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3113 Value* tmpVal1 = getVal(*$3, $4);
3115 Value* tmpVal2 = getVal(*$3, $6);
3117 $$ = CmpInst::Create($1, $2, tmpVal1, tmpVal2);
3119 GEN_ERROR("fcmp operator returned null");
3122 | VICMP IPredicates Types ValueRef ',' ValueRef {
3123 if (!UpRefs.empty())
3124 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3125 if (!isa<VectorType>((*$3).get()))
3126 GEN_ERROR("Scalar types not supported by vicmp instruction");
3127 Value* tmpVal1 = getVal(*$3, $4);
3129 Value* tmpVal2 = getVal(*$3, $6);
3131 $$ = CmpInst::Create($1, $2, tmpVal1, tmpVal2);
3133 GEN_ERROR("vicmp operator returned null");
3136 | VFCMP FPredicates Types ValueRef ',' ValueRef {
3137 if (!UpRefs.empty())
3138 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3139 if (!isa<VectorType>((*$3).get()))
3140 GEN_ERROR("Scalar types not supported by vfcmp instruction");
3141 Value* tmpVal1 = getVal(*$3, $4);
3143 Value* tmpVal2 = getVal(*$3, $6);
3145 $$ = CmpInst::Create($1, $2, tmpVal1, tmpVal2);
3147 GEN_ERROR("vfcmp operator returned null");
3150 | CastOps ResolvedVal TO Types {
3151 if (!UpRefs.empty())
3152 GEN_ERROR("Invalid upreference in type: " + (*$4)->getDescription());
3154 const Type* DestTy = $4->get();
3155 if (!CastInst::castIsValid($1, Val, DestTy))
3156 GEN_ERROR("invalid cast opcode for cast from '" +
3157 Val->getType()->getDescription() + "' to '" +
3158 DestTy->getDescription() + "'");
3159 $$ = CastInst::Create($1, Val, DestTy);
3162 | SELECT ResolvedVal ',' ResolvedVal ',' ResolvedVal {
3163 if (isa<VectorType>($2->getType())) {
3165 if (!isa<VectorType>($4->getType())
3166 || !isa<VectorType>($6->getType()) )
3167 GEN_ERROR("vector select value types must be vector types");
3168 const VectorType* cond_type = cast<VectorType>($2->getType());
3169 const VectorType* select_type = cast<VectorType>($4->getType());
3170 if (cond_type->getElementType() != Type::Int1Ty)
3171 GEN_ERROR("vector select condition element type must be boolean");
3172 if (cond_type->getNumElements() != select_type->getNumElements())
3173 GEN_ERROR("vector select number of elements must be the same");
3175 if ($2->getType() != Type::Int1Ty)
3176 GEN_ERROR("select condition must be boolean");
3178 if ($4->getType() != $6->getType())
3179 GEN_ERROR("select value types must match");
3180 $$ = SelectInst::Create($2, $4, $6);
3183 | VAARG ResolvedVal ',' Types {
3184 if (!UpRefs.empty())
3185 GEN_ERROR("Invalid upreference in type: " + (*$4)->getDescription());
3186 $$ = new VAArgInst($2, *$4);
3190 | EXTRACTELEMENT ResolvedVal ',' ResolvedVal {
3191 if (!ExtractElementInst::isValidOperands($2, $4))
3192 GEN_ERROR("Invalid extractelement operands");
3193 $$ = new ExtractElementInst($2, $4);
3196 | INSERTELEMENT ResolvedVal ',' ResolvedVal ',' ResolvedVal {
3197 if (!InsertElementInst::isValidOperands($2, $4, $6))
3198 GEN_ERROR("Invalid insertelement operands");
3199 $$ = InsertElementInst::Create($2, $4, $6);
3202 | SHUFFLEVECTOR ResolvedVal ',' ResolvedVal ',' ResolvedVal {
3203 if (!ShuffleVectorInst::isValidOperands($2, $4, $6))
3204 GEN_ERROR("Invalid shufflevector operands");
3205 $$ = new ShuffleVectorInst($2, $4, $6);
3209 const Type *Ty = $2->front().first->getType();
3210 if (!Ty->isFirstClassType())
3211 GEN_ERROR("PHI node operands must be of first class type");
3212 $$ = PHINode::Create(Ty);
3213 ((PHINode*)$$)->reserveOperandSpace($2->size());
3214 while ($2->begin() != $2->end()) {
3215 if ($2->front().first->getType() != Ty)
3216 GEN_ERROR("All elements of a PHI node must be of the same type");
3217 cast<PHINode>($$)->addIncoming($2->front().first, $2->front().second);
3220 delete $2; // Free the list...
3223 | OptTailCall OptCallingConv ResultTypes ValueRef '(' ParamList ')'
3226 // Handle the short syntax
3227 const PointerType *PFTy = 0;
3228 const FunctionType *Ty = 0;
3229 if (!(PFTy = dyn_cast<PointerType>($3->get())) ||
3230 !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
3231 // Pull out the types of all of the arguments...
3232 std::vector<const Type*> ParamTypes;
3233 ParamList::iterator I = $6->begin(), E = $6->end();
3234 for (; I != E; ++I) {
3235 const Type *Ty = I->Val->getType();
3236 if (Ty == Type::VoidTy)
3237 GEN_ERROR("Short call syntax cannot be used with varargs");
3238 ParamTypes.push_back(Ty);
3241 if (!FunctionType::isValidReturnType(*$3))
3242 GEN_ERROR("Invalid result type for LLVM function");
3244 Ty = FunctionType::get($3->get(), ParamTypes, false);
3245 PFTy = PointerType::getUnqual(Ty);
3248 Value *V = getVal(PFTy, $4); // Get the function we're calling...
3251 // Check for call to invalid intrinsic to avoid crashing later.
3252 if (Function *theF = dyn_cast<Function>(V)) {
3253 if (theF->hasName() && (theF->getValueName()->getKeyLength() >= 5) &&
3254 (0 == strncmp(theF->getValueName()->getKeyData(), "llvm.", 5)) &&
3255 !theF->getIntrinsicID(true))
3256 GEN_ERROR("Call to invalid LLVM intrinsic function '" +
3257 theF->getName() + "'");
3260 // Set up the ParamAttrs for the function
3261 SmallVector<ParamAttrsWithIndex, 8> Attrs;
3262 if ($8 != ParamAttr::None)
3263 Attrs.push_back(ParamAttrsWithIndex::get(0, $8));
3264 // Check the arguments
3266 if ($6->empty()) { // Has no arguments?
3267 // Make sure no arguments is a good thing!
3268 if (Ty->getNumParams() != 0)
3269 GEN_ERROR("No arguments passed to a function that "
3270 "expects arguments");
3271 } else { // Has arguments?
3272 // Loop through FunctionType's arguments and ensure they are specified
3273 // correctly. Also, gather any parameter attributes.
3274 FunctionType::param_iterator I = Ty->param_begin();
3275 FunctionType::param_iterator E = Ty->param_end();
3276 ParamList::iterator ArgI = $6->begin(), ArgE = $6->end();
3279 for (; ArgI != ArgE && I != E; ++ArgI, ++I, ++index) {
3280 if (ArgI->Val->getType() != *I)
3281 GEN_ERROR("Parameter " + ArgI->Val->getName()+ " is not of type '" +
3282 (*I)->getDescription() + "'");
3283 Args.push_back(ArgI->Val);
3284 if (ArgI->Attrs != ParamAttr::None)
3285 Attrs.push_back(ParamAttrsWithIndex::get(index, ArgI->Attrs));
3287 if (Ty->isVarArg()) {
3289 for (; ArgI != ArgE; ++ArgI, ++index) {
3290 Args.push_back(ArgI->Val); // push the remaining varargs
3291 if (ArgI->Attrs != ParamAttr::None)
3292 Attrs.push_back(ParamAttrsWithIndex::get(index, ArgI->Attrs));
3294 } else if (I != E || ArgI != ArgE)
3295 GEN_ERROR("Invalid number of parameters detected");
3298 // Finish off the ParamAttrs and check them
3301 PAL = PAListPtr::get(Attrs.begin(), Attrs.end());
3303 // Create the call node
3304 CallInst *CI = CallInst::Create(V, Args.begin(), Args.end());
3305 CI->setTailCall($1);
3306 CI->setCallingConv($2);
3307 CI->setParamAttrs(PAL);
3318 OptVolatile : VOLATILE {
3329 MemoryInst : MALLOC Types OptCAlign {
3330 if (!UpRefs.empty())
3331 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3332 $$ = new MallocInst(*$2, 0, $3);
3336 | MALLOC Types ',' INTTYPE ValueRef OptCAlign {
3337 if (!UpRefs.empty())
3338 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3339 if ($4 != Type::Int32Ty)
3340 GEN_ERROR("Malloc array size is not a 32-bit integer!");
3341 Value* tmpVal = getVal($4, $5);
3343 $$ = new MallocInst(*$2, tmpVal, $6);
3346 | ALLOCA Types OptCAlign {
3347 if (!UpRefs.empty())
3348 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3349 $$ = new AllocaInst(*$2, 0, $3);
3353 | ALLOCA Types ',' INTTYPE ValueRef OptCAlign {
3354 if (!UpRefs.empty())
3355 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3356 if ($4 != Type::Int32Ty)
3357 GEN_ERROR("Alloca array size is not a 32-bit integer!");
3358 Value* tmpVal = getVal($4, $5);
3360 $$ = new AllocaInst(*$2, tmpVal, $6);
3363 | FREE ResolvedVal {
3364 if (!isa<PointerType>($2->getType()))
3365 GEN_ERROR("Trying to free nonpointer type " +
3366 $2->getType()->getDescription() + "");
3367 $$ = new FreeInst($2);
3371 | OptVolatile LOAD Types ValueRef OptCAlign {
3372 if (!UpRefs.empty())
3373 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3374 if (!isa<PointerType>($3->get()))
3375 GEN_ERROR("Can't load from nonpointer type: " +
3376 (*$3)->getDescription());
3377 if (!cast<PointerType>($3->get())->getElementType()->isFirstClassType())
3378 GEN_ERROR("Can't load from pointer of non-first-class type: " +
3379 (*$3)->getDescription());
3380 Value* tmpVal = getVal(*$3, $4);
3382 $$ = new LoadInst(tmpVal, "", $1, $5);
3385 | OptVolatile STORE ResolvedVal ',' Types ValueRef OptCAlign {
3386 if (!UpRefs.empty())
3387 GEN_ERROR("Invalid upreference in type: " + (*$5)->getDescription());
3388 const PointerType *PT = dyn_cast<PointerType>($5->get());
3390 GEN_ERROR("Can't store to a nonpointer type: " +
3391 (*$5)->getDescription());
3392 const Type *ElTy = PT->getElementType();
3393 if (ElTy != $3->getType())
3394 GEN_ERROR("Can't store '" + $3->getType()->getDescription() +
3395 "' into space of type '" + ElTy->getDescription() + "'");
3397 Value* tmpVal = getVal(*$5, $6);
3399 $$ = new StoreInst($3, tmpVal, $1, $7);
3402 | GETRESULT Types ValueRef ',' EUINT64VAL {
3403 if (!UpRefs.empty())
3404 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3405 if (!isa<StructType>($2->get()) && !isa<ArrayType>($2->get()))
3406 GEN_ERROR("getresult insn requires an aggregate operand");
3407 if (!ExtractValueInst::getIndexedType(*$2, $5))
3408 GEN_ERROR("Invalid getresult index for type '" +
3409 (*$2)->getDescription()+ "'");
3411 Value *tmpVal = getVal(*$2, $3);
3413 $$ = ExtractValueInst::Create(tmpVal, $5);
3416 | GETELEMENTPTR Types ValueRef IndexList {
3417 if (!UpRefs.empty())
3418 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3419 if (!isa<PointerType>($2->get()))
3420 GEN_ERROR("getelementptr insn requires pointer operand");
3422 if (!GetElementPtrInst::getIndexedType(*$2, $4->begin(), $4->end()))
3423 GEN_ERROR("Invalid getelementptr indices for type '" +
3424 (*$2)->getDescription()+ "'");
3425 Value* tmpVal = getVal(*$2, $3);
3427 $$ = GetElementPtrInst::Create(tmpVal, $4->begin(), $4->end());
3431 | EXTRACTVALUE Types ValueRef ConstantIndexList {
3432 if (!UpRefs.empty())
3433 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3434 if (!isa<StructType>($2->get()) && !isa<ArrayType>($2->get()))
3435 GEN_ERROR("extractvalue insn requires an aggregate operand");
3437 if (!ExtractValueInst::getIndexedType(*$2, $4->begin(), $4->end()))
3438 GEN_ERROR("Invalid extractvalue indices for type '" +
3439 (*$2)->getDescription()+ "'");
3440 Value* tmpVal = getVal(*$2, $3);
3442 $$ = ExtractValueInst::Create(tmpVal, $4->begin(), $4->end());
3446 | INSERTVALUE Types ValueRef ',' Types ValueRef ConstantIndexList {
3447 if (!UpRefs.empty())
3448 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3449 if (!isa<StructType>($2->get()) && !isa<ArrayType>($2->get()))
3450 GEN_ERROR("extractvalue insn requires an aggregate operand");
3452 if (ExtractValueInst::getIndexedType(*$2, $7->begin(), $7->end()) != $5->get())
3453 GEN_ERROR("Invalid insertvalue indices for type '" +
3454 (*$2)->getDescription()+ "'");
3455 Value* aggVal = getVal(*$2, $3);
3456 Value* tmpVal = getVal(*$5, $6);
3458 $$ = InsertValueInst::Create(aggVal, tmpVal, $7->begin(), $7->end());
3467 // common code from the two 'RunVMAsmParser' functions
3468 static Module* RunParser(Module * M) {
3469 CurModule.CurrentModule = M;
3470 // Check to make sure the parser succeeded
3473 delete ParserResult;
3477 // Emit an error if there are any unresolved types left.
3478 if (!CurModule.LateResolveTypes.empty()) {
3479 const ValID &DID = CurModule.LateResolveTypes.begin()->first;
3480 if (DID.Type == ValID::LocalName) {
3481 GenerateError("Undefined type remains at eof: '"+DID.getName() + "'");
3483 GenerateError("Undefined type remains at eof: #" + itostr(DID.Num));
3486 delete ParserResult;
3490 // Emit an error if there are any unresolved values left.
3491 if (!CurModule.LateResolveValues.empty()) {
3492 Value *V = CurModule.LateResolveValues.back();
3493 std::map<Value*, std::pair<ValID, int> >::iterator I =
3494 CurModule.PlaceHolderInfo.find(V);
3496 if (I != CurModule.PlaceHolderInfo.end()) {
3497 ValID &DID = I->second.first;
3498 if (DID.Type == ValID::LocalName) {
3499 GenerateError("Undefined value remains at eof: "+DID.getName() + "'");
3501 GenerateError("Undefined value remains at eof: #" + itostr(DID.Num));
3504 delete ParserResult;
3509 // Check to make sure that parsing produced a result
3513 // Reset ParserResult variable while saving its value for the result.
3514 Module *Result = ParserResult;
3520 void llvm::GenerateError(const std::string &message, int LineNo) {
3521 if (LineNo == -1) LineNo = LLLgetLineNo();
3522 // TODO: column number in exception
3524 TheParseError->setError(LLLgetFilename(), message, LineNo);
3528 int yyerror(const char *ErrorMsg) {
3529 std::string where = LLLgetFilename() + ":" + utostr(LLLgetLineNo()) + ": ";
3530 std::string errMsg = where + "error: " + std::string(ErrorMsg);
3531 if (yychar != YYEMPTY && yychar != 0) {
3532 errMsg += " while reading token: '";
3533 errMsg += std::string(LLLgetTokenStart(),
3534 LLLgetTokenStart()+LLLgetTokenLength()) + "'";
3536 GenerateError(errMsg);