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::Attributes ParamAttrs;
998 llvm::APInt *APIntVal;
1003 llvm::APFloat *FPVal;
1006 std::string *StrVal; // This memory must be deleted
1007 llvm::ValID ValIDVal;
1009 llvm::Instruction::BinaryOps BinaryOpVal;
1010 llvm::Instruction::TermOps TermOpVal;
1011 llvm::Instruction::MemoryOps MemOpVal;
1012 llvm::Instruction::CastOps CastOpVal;
1013 llvm::Instruction::OtherOps OtherOpVal;
1014 llvm::ICmpInst::Predicate IPredicate;
1015 llvm::FCmpInst::Predicate FPredicate;
1018 %type <ModuleVal> Module
1019 %type <FunctionVal> Function FunctionProto FunctionHeader BasicBlockList
1020 %type <BasicBlockVal> BasicBlock InstructionList
1021 %type <TermInstVal> BBTerminatorInst
1022 %type <InstVal> Inst InstVal MemoryInst
1023 %type <ConstVal> ConstVal ConstExpr AliaseeRef
1024 %type <ConstVector> ConstVector
1025 %type <ArgList> ArgList ArgListH
1026 %type <PHIList> PHIList
1027 %type <ParamList> ParamList // For call param lists & GEP indices
1028 %type <ValueList> IndexList // For GEP indices
1029 %type <ConstantList> ConstantIndexList // For insertvalue/extractvalue indices
1030 %type <TypeList> TypeListI
1031 %type <TypeWithAttrsList> ArgTypeList ArgTypeListI
1032 %type <TypeWithAttrs> ArgType
1033 %type <JumpTable> JumpTable
1034 %type <BoolVal> GlobalType // GLOBAL or CONSTANT?
1035 %type <BoolVal> ThreadLocal // 'thread_local' or not
1036 %type <BoolVal> OptVolatile // 'volatile' or not
1037 %type <BoolVal> OptTailCall // TAIL CALL or plain CALL.
1038 %type <BoolVal> OptSideEffect // 'sideeffect' or not.
1039 %type <Linkage> GVInternalLinkage GVExternalLinkage
1040 %type <Linkage> FunctionDefineLinkage FunctionDeclareLinkage
1041 %type <Linkage> AliasLinkage
1042 %type <Visibility> GVVisibilityStyle
1044 // ValueRef - Unresolved reference to a definition or BB
1045 %type <ValIDVal> ValueRef ConstValueRef SymbolicValueRef
1046 %type <ValueVal> ResolvedVal // <type> <valref> pair
1047 %type <ValueList> ReturnedVal
1048 // Tokens and types for handling constant integer values
1050 // ESINT64VAL - A negative number within long long range
1051 %token <SInt64Val> ESINT64VAL
1053 // EUINT64VAL - A positive number within uns. long long range
1054 %token <UInt64Val> EUINT64VAL
1056 // ESAPINTVAL - A negative number with arbitrary precision
1057 %token <APIntVal> ESAPINTVAL
1059 // EUAPINTVAL - A positive number with arbitrary precision
1060 %token <APIntVal> EUAPINTVAL
1062 %token <UIntVal> LOCALVAL_ID GLOBALVAL_ID // %123 @123
1063 %token <FPVal> FPVAL // Float or Double constant
1065 // Built in types...
1066 %type <TypeVal> Types ResultTypes
1067 %type <PrimType> IntType FPType PrimType // Classifications
1068 %token <PrimType> VOID INTTYPE
1069 %token <PrimType> FLOAT DOUBLE X86_FP80 FP128 PPC_FP128 LABEL
1073 %token<StrVal> LOCALVAR GLOBALVAR LABELSTR
1074 %token<StrVal> STRINGCONSTANT ATSTRINGCONSTANT PCTSTRINGCONSTANT
1075 %type <StrVal> LocalName OptLocalName OptLocalAssign
1076 %type <StrVal> GlobalName OptGlobalAssign GlobalAssign
1077 %type <StrVal> OptSection SectionString OptGC
1079 %type <UIntVal> OptAlign OptCAlign OptAddrSpace
1081 %token ZEROINITIALIZER TRUETOK FALSETOK BEGINTOK ENDTOK
1082 %token DECLARE DEFINE GLOBAL CONSTANT SECTION ALIAS VOLATILE THREAD_LOCAL
1083 %token TO DOTDOTDOT NULL_TOK UNDEF INTERNAL LINKONCE WEAK APPENDING
1084 %token DLLIMPORT DLLEXPORT EXTERN_WEAK COMMON
1085 %token OPAQUE EXTERNAL TARGET TRIPLE ALIGN ADDRSPACE
1086 %token DEPLIBS CALL TAIL ASM_TOK MODULE SIDEEFFECT
1087 %token CC_TOK CCC_TOK FASTCC_TOK COLDCC_TOK X86_STDCALLCC_TOK X86_FASTCALLCC_TOK
1088 %token X86_SSECALLCC_TOK
1090 %type <UIntVal> OptCallingConv LocalNumber
1091 %type <ParamAttrs> OptParamAttrs ParamAttr
1092 %type <ParamAttrs> OptFuncAttrs FuncAttr
1093 %type <ParamAttrs> OptFuncNotes FuncNote
1094 %type <ParamAttrs> FuncNoteList
1096 // Basic Block Terminating Operators
1097 %token <TermOpVal> RET BR SWITCH INVOKE UNWIND UNREACHABLE
1100 %type <BinaryOpVal> ArithmeticOps LogicalOps // Binops Subcatagories
1101 %token <BinaryOpVal> ADD SUB MUL UDIV SDIV FDIV UREM SREM FREM AND OR XOR
1102 %token <BinaryOpVal> SHL LSHR ASHR
1104 %token <OtherOpVal> ICMP FCMP VICMP VFCMP
1105 %type <IPredicate> IPredicates
1106 %type <FPredicate> FPredicates
1107 %token EQ NE SLT SGT SLE SGE ULT UGT ULE UGE
1108 %token OEQ ONE OLT OGT OLE OGE ORD UNO UEQ UNE
1110 // Memory Instructions
1111 %token <MemOpVal> MALLOC ALLOCA FREE LOAD STORE GETELEMENTPTR
1114 %type <CastOpVal> CastOps
1115 %token <CastOpVal> TRUNC ZEXT SEXT FPTRUNC FPEXT BITCAST
1116 %token <CastOpVal> UITOFP SITOFP FPTOUI FPTOSI INTTOPTR PTRTOINT
1119 %token <OtherOpVal> PHI_TOK SELECT VAARG
1120 %token <OtherOpVal> EXTRACTELEMENT INSERTELEMENT SHUFFLEVECTOR
1121 %token <OtherOpVal> GETRESULT
1122 %token <OtherOpVal> EXTRACTVALUE INSERTVALUE
1124 // Function Attributes
1125 %token SIGNEXT ZEROEXT NORETURN INREG SRET NOUNWIND NOALIAS BYVAL NEST
1126 %token READNONE READONLY GC
1129 %token FNNOTE INLINE ALWAYS NEVER OPTIMIZEFORSIZE
1131 // Visibility Styles
1132 %token DEFAULT HIDDEN PROTECTED
1138 // Operations that are notably excluded from this list include:
1139 // RET, BR, & SWITCH because they end basic blocks and are treated specially.
1141 ArithmeticOps: ADD | SUB | MUL | UDIV | SDIV | FDIV | UREM | SREM | FREM;
1142 LogicalOps : SHL | LSHR | ASHR | AND | OR | XOR;
1143 CastOps : TRUNC | ZEXT | SEXT | FPTRUNC | FPEXT | BITCAST |
1144 UITOFP | SITOFP | FPTOUI | FPTOSI | INTTOPTR | PTRTOINT;
1147 : EQ { $$ = ICmpInst::ICMP_EQ; } | NE { $$ = ICmpInst::ICMP_NE; }
1148 | SLT { $$ = ICmpInst::ICMP_SLT; } | SGT { $$ = ICmpInst::ICMP_SGT; }
1149 | SLE { $$ = ICmpInst::ICMP_SLE; } | SGE { $$ = ICmpInst::ICMP_SGE; }
1150 | ULT { $$ = ICmpInst::ICMP_ULT; } | UGT { $$ = ICmpInst::ICMP_UGT; }
1151 | ULE { $$ = ICmpInst::ICMP_ULE; } | UGE { $$ = ICmpInst::ICMP_UGE; }
1155 : OEQ { $$ = FCmpInst::FCMP_OEQ; } | ONE { $$ = FCmpInst::FCMP_ONE; }
1156 | OLT { $$ = FCmpInst::FCMP_OLT; } | OGT { $$ = FCmpInst::FCMP_OGT; }
1157 | OLE { $$ = FCmpInst::FCMP_OLE; } | OGE { $$ = FCmpInst::FCMP_OGE; }
1158 | ORD { $$ = FCmpInst::FCMP_ORD; } | UNO { $$ = FCmpInst::FCMP_UNO; }
1159 | UEQ { $$ = FCmpInst::FCMP_UEQ; } | UNE { $$ = FCmpInst::FCMP_UNE; }
1160 | ULT { $$ = FCmpInst::FCMP_ULT; } | UGT { $$ = FCmpInst::FCMP_UGT; }
1161 | ULE { $$ = FCmpInst::FCMP_ULE; } | UGE { $$ = FCmpInst::FCMP_UGE; }
1162 | TRUETOK { $$ = FCmpInst::FCMP_TRUE; }
1163 | FALSETOK { $$ = FCmpInst::FCMP_FALSE; }
1166 // These are some types that allow classification if we only want a particular
1167 // thing... for example, only a signed, unsigned, or integral type.
1169 FPType : FLOAT | DOUBLE | PPC_FP128 | FP128 | X86_FP80;
1171 LocalName : LOCALVAR | STRINGCONSTANT | PCTSTRINGCONSTANT ;
1172 OptLocalName : LocalName | /*empty*/ { $$ = 0; };
1174 OptAddrSpace : ADDRSPACE '(' EUINT64VAL ')' { $$=$3; }
1175 | /*empty*/ { $$=0; };
1177 /// OptLocalAssign - Value producing statements have an optional assignment
1179 OptLocalAssign : LocalName '=' {
1188 LocalNumber : LOCALVAL_ID '=' {
1194 GlobalName : GLOBALVAR | ATSTRINGCONSTANT ;
1196 OptGlobalAssign : GlobalAssign
1202 GlobalAssign : GlobalName '=' {
1208 : INTERNAL { $$ = GlobalValue::InternalLinkage; }
1209 | WEAK { $$ = GlobalValue::WeakLinkage; }
1210 | LINKONCE { $$ = GlobalValue::LinkOnceLinkage; }
1211 | APPENDING { $$ = GlobalValue::AppendingLinkage; }
1212 | DLLEXPORT { $$ = GlobalValue::DLLExportLinkage; }
1213 | COMMON { $$ = GlobalValue::CommonLinkage; }
1217 : DLLIMPORT { $$ = GlobalValue::DLLImportLinkage; }
1218 | EXTERN_WEAK { $$ = GlobalValue::ExternalWeakLinkage; }
1219 | EXTERNAL { $$ = GlobalValue::ExternalLinkage; }
1223 : /*empty*/ { $$ = GlobalValue::DefaultVisibility; }
1224 | DEFAULT { $$ = GlobalValue::DefaultVisibility; }
1225 | HIDDEN { $$ = GlobalValue::HiddenVisibility; }
1226 | PROTECTED { $$ = GlobalValue::ProtectedVisibility; }
1229 FunctionDeclareLinkage
1230 : /*empty*/ { $$ = GlobalValue::ExternalLinkage; }
1231 | DLLIMPORT { $$ = GlobalValue::DLLImportLinkage; }
1232 | EXTERN_WEAK { $$ = GlobalValue::ExternalWeakLinkage; }
1235 FunctionDefineLinkage
1236 : /*empty*/ { $$ = GlobalValue::ExternalLinkage; }
1237 | INTERNAL { $$ = GlobalValue::InternalLinkage; }
1238 | LINKONCE { $$ = GlobalValue::LinkOnceLinkage; }
1239 | WEAK { $$ = GlobalValue::WeakLinkage; }
1240 | DLLEXPORT { $$ = GlobalValue::DLLExportLinkage; }
1244 : /*empty*/ { $$ = GlobalValue::ExternalLinkage; }
1245 | WEAK { $$ = GlobalValue::WeakLinkage; }
1246 | INTERNAL { $$ = GlobalValue::InternalLinkage; }
1249 OptCallingConv : /*empty*/ { $$ = CallingConv::C; } |
1250 CCC_TOK { $$ = CallingConv::C; } |
1251 FASTCC_TOK { $$ = CallingConv::Fast; } |
1252 COLDCC_TOK { $$ = CallingConv::Cold; } |
1253 X86_STDCALLCC_TOK { $$ = CallingConv::X86_StdCall; } |
1254 X86_FASTCALLCC_TOK { $$ = CallingConv::X86_FastCall; } |
1255 X86_SSECALLCC_TOK { $$ = CallingConv::X86_SSECall; } |
1257 if ((unsigned)$2 != $2)
1258 GEN_ERROR("Calling conv too large");
1263 ParamAttr : ZEROEXT { $$ = ParamAttr::ZExt; }
1264 | ZEXT { $$ = ParamAttr::ZExt; }
1265 | SIGNEXT { $$ = ParamAttr::SExt; }
1266 | SEXT { $$ = ParamAttr::SExt; }
1267 | INREG { $$ = ParamAttr::InReg; }
1268 | SRET { $$ = ParamAttr::StructRet; }
1269 | NOALIAS { $$ = ParamAttr::NoAlias; }
1270 | BYVAL { $$ = ParamAttr::ByVal; }
1271 | NEST { $$ = ParamAttr::Nest; }
1272 | ALIGN EUINT64VAL { $$ =
1273 ParamAttr::constructAlignmentFromInt($2); }
1276 OptParamAttrs : /* empty */ { $$ = ParamAttr::None; }
1277 | OptParamAttrs ParamAttr {
1282 FuncAttr : NORETURN { $$ = ParamAttr::NoReturn; }
1283 | NOUNWIND { $$ = ParamAttr::NoUnwind; }
1284 | INREG { $$ = ParamAttr::InReg; }
1285 | ZEROEXT { $$ = ParamAttr::ZExt; }
1286 | SIGNEXT { $$ = ParamAttr::SExt; }
1287 | READNONE { $$ = ParamAttr::ReadNone; }
1288 | READONLY { $$ = ParamAttr::ReadOnly; }
1291 OptFuncAttrs : /* empty */ { $$ = ParamAttr::None; }
1292 | OptFuncAttrs FuncAttr {
1297 FuncNoteList : FuncNote { $$ = $1; }
1298 | FuncNoteList ',' FuncNote {
1299 unsigned tmp = $1 | $3;
1300 if ($3 == FN_NOTE_NoInline
1301 && ($1 & FN_NOTE_AlwaysInline))
1302 GEN_ERROR("Function Notes may include only one inline notes!")
1303 if ($3 == FN_NOTE_AlwaysInline
1304 && ($1 & FN_NOTE_NoInline))
1305 GEN_ERROR("Function Notes may include only one inline notes!")
1311 FuncNote : INLINE '=' NEVER { $$ = FN_NOTE_NoInline; }
1312 | INLINE '=' ALWAYS { $$ = FN_NOTE_AlwaysInline; }
1313 | OPTIMIZEFORSIZE { $$ = FN_NOTE_OptimizeForSize; }
1316 OptFuncNotes : /* empty */ { $$ = FN_NOTE_None; }
1317 | FNNOTE '(' FuncNoteList ')' {
1322 OptGC : /* empty */ { $$ = 0; }
1323 | GC STRINGCONSTANT {
1328 // OptAlign/OptCAlign - An optional alignment, and an optional alignment with
1329 // a comma before it.
1330 OptAlign : /*empty*/ { $$ = 0; } |
1333 if ($$ != 0 && !isPowerOf2_32($$))
1334 GEN_ERROR("Alignment must be a power of two");
1337 OptCAlign : /*empty*/ { $$ = 0; } |
1338 ',' ALIGN EUINT64VAL {
1340 if ($$ != 0 && !isPowerOf2_32($$))
1341 GEN_ERROR("Alignment must be a power of two");
1347 SectionString : SECTION STRINGCONSTANT {
1348 for (unsigned i = 0, e = $2->length(); i != e; ++i)
1349 if ((*$2)[i] == '"' || (*$2)[i] == '\\')
1350 GEN_ERROR("Invalid character in section name");
1355 OptSection : /*empty*/ { $$ = 0; } |
1356 SectionString { $$ = $1; };
1358 // GlobalVarAttributes - Used to pass the attributes string on a global. CurGV
1359 // is set to be the global we are processing.
1361 GlobalVarAttributes : /* empty */ {} |
1362 ',' GlobalVarAttribute GlobalVarAttributes {};
1363 GlobalVarAttribute : SectionString {
1364 CurGV->setSection(*$1);
1368 | ALIGN EUINT64VAL {
1369 if ($2 != 0 && !isPowerOf2_32($2))
1370 GEN_ERROR("Alignment must be a power of two");
1371 CurGV->setAlignment($2);
1375 //===----------------------------------------------------------------------===//
1376 // Types includes all predefined types... except void, because it can only be
1377 // used in specific contexts (function returning void for example).
1379 // Derived types are added later...
1381 PrimType : INTTYPE | FLOAT | DOUBLE | PPC_FP128 | FP128 | X86_FP80 | LABEL ;
1385 $$ = new PATypeHolder(OpaqueType::get());
1389 $$ = new PATypeHolder($1);
1392 | Types OptAddrSpace '*' { // Pointer type?
1393 if (*$1 == Type::LabelTy)
1394 GEN_ERROR("Cannot form a pointer to a basic block");
1395 $$ = new PATypeHolder(HandleUpRefs(PointerType::get(*$1, $2)));
1399 | SymbolicValueRef { // Named types are also simple types...
1400 const Type* tmp = getTypeVal($1);
1402 $$ = new PATypeHolder(tmp);
1404 | '\\' EUINT64VAL { // Type UpReference
1405 if ($2 > (uint64_t)~0U) GEN_ERROR("Value out of range");
1406 OpaqueType *OT = OpaqueType::get(); // Use temporary placeholder
1407 UpRefs.push_back(UpRefRecord((unsigned)$2, OT)); // Add to vector...
1408 $$ = new PATypeHolder(OT);
1409 UR_OUT("New Upreference!\n");
1412 | Types '(' ArgTypeListI ')' OptFuncAttrs {
1413 // Allow but ignore attributes on function types; this permits auto-upgrade.
1414 // FIXME: remove in LLVM 3.0.
1415 const Type *RetTy = *$1;
1416 if (!FunctionType::isValidReturnType(RetTy))
1417 GEN_ERROR("Invalid result type for LLVM function");
1419 std::vector<const Type*> Params;
1420 TypeWithAttrsList::iterator I = $3->begin(), E = $3->end();
1421 for (; I != E; ++I ) {
1422 const Type *Ty = I->Ty->get();
1423 Params.push_back(Ty);
1426 bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
1427 if (isVarArg) Params.pop_back();
1429 for (unsigned i = 0; i != Params.size(); ++i)
1430 if (!(Params[i]->isFirstClassType() || isa<OpaqueType>(Params[i])))
1431 GEN_ERROR("Function arguments must be value types!");
1435 FunctionType *FT = FunctionType::get(RetTy, Params, isVarArg);
1436 delete $3; // Delete the argument list
1437 delete $1; // Delete the return type handle
1438 $$ = new PATypeHolder(HandleUpRefs(FT));
1441 | VOID '(' ArgTypeListI ')' OptFuncAttrs {
1442 // Allow but ignore attributes on function types; this permits auto-upgrade.
1443 // FIXME: remove in LLVM 3.0.
1444 std::vector<const Type*> Params;
1445 TypeWithAttrsList::iterator I = $3->begin(), E = $3->end();
1446 for ( ; I != E; ++I ) {
1447 const Type* Ty = I->Ty->get();
1448 Params.push_back(Ty);
1451 bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
1452 if (isVarArg) Params.pop_back();
1454 for (unsigned i = 0; i != Params.size(); ++i)
1455 if (!(Params[i]->isFirstClassType() || isa<OpaqueType>(Params[i])))
1456 GEN_ERROR("Function arguments must be value types!");
1460 FunctionType *FT = FunctionType::get($1, Params, isVarArg);
1461 delete $3; // Delete the argument list
1462 $$ = new PATypeHolder(HandleUpRefs(FT));
1466 | '[' EUINT64VAL 'x' Types ']' { // Sized array type?
1467 $$ = new PATypeHolder(HandleUpRefs(ArrayType::get(*$4, $2)));
1471 | '<' EUINT64VAL 'x' Types '>' { // Vector type?
1472 const llvm::Type* ElemTy = $4->get();
1473 if ((unsigned)$2 != $2)
1474 GEN_ERROR("Unsigned result not equal to signed result");
1475 if (!ElemTy->isFloatingPoint() && !ElemTy->isInteger())
1476 GEN_ERROR("Element type of a VectorType must be primitive");
1477 $$ = new PATypeHolder(HandleUpRefs(VectorType::get(*$4, (unsigned)$2)));
1481 | '{' TypeListI '}' { // Structure type?
1482 std::vector<const Type*> Elements;
1483 for (std::list<llvm::PATypeHolder>::iterator I = $2->begin(),
1484 E = $2->end(); I != E; ++I)
1485 Elements.push_back(*I);
1487 $$ = new PATypeHolder(HandleUpRefs(StructType::get(Elements)));
1491 | '{' '}' { // Empty structure type?
1492 $$ = new PATypeHolder(StructType::get(std::vector<const Type*>()));
1495 | '<' '{' TypeListI '}' '>' {
1496 std::vector<const Type*> Elements;
1497 for (std::list<llvm::PATypeHolder>::iterator I = $3->begin(),
1498 E = $3->end(); I != E; ++I)
1499 Elements.push_back(*I);
1501 $$ = new PATypeHolder(HandleUpRefs(StructType::get(Elements, true)));
1505 | '<' '{' '}' '>' { // Empty structure type?
1506 $$ = new PATypeHolder(StructType::get(std::vector<const Type*>(), true));
1512 : Types OptParamAttrs {
1513 // Allow but ignore attributes on function types; this permits auto-upgrade.
1514 // FIXME: remove in LLVM 3.0.
1516 $$.Attrs = ParamAttr::None;
1522 if (!UpRefs.empty())
1523 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1524 if (!(*$1)->isFirstClassType() && !isa<StructType>($1->get()))
1525 GEN_ERROR("LLVM functions cannot return aggregate types");
1529 $$ = new PATypeHolder(Type::VoidTy);
1533 ArgTypeList : ArgType {
1534 $$ = new TypeWithAttrsList();
1538 | ArgTypeList ',' ArgType {
1539 ($$=$1)->push_back($3);
1546 | ArgTypeList ',' DOTDOTDOT {
1548 TypeWithAttrs TWA; TWA.Attrs = ParamAttr::None;
1549 TWA.Ty = new PATypeHolder(Type::VoidTy);
1554 $$ = new TypeWithAttrsList;
1555 TypeWithAttrs TWA; TWA.Attrs = ParamAttr::None;
1556 TWA.Ty = new PATypeHolder(Type::VoidTy);
1561 $$ = new TypeWithAttrsList();
1565 // TypeList - Used for struct declarations and as a basis for function type
1566 // declaration type lists
1569 $$ = new std::list<PATypeHolder>();
1574 | TypeListI ',' Types {
1575 ($$=$1)->push_back(*$3);
1580 // ConstVal - The various declarations that go into the constant pool. This
1581 // production is used ONLY to represent constants that show up AFTER a 'const',
1582 // 'constant' or 'global' token at global scope. Constants that can be inlined
1583 // into other expressions (such as integers and constexprs) are handled by the
1584 // ResolvedVal, ValueRef and ConstValueRef productions.
1586 ConstVal: Types '[' ConstVector ']' { // Nonempty unsized arr
1587 if (!UpRefs.empty())
1588 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1589 const ArrayType *ATy = dyn_cast<ArrayType>($1->get());
1591 GEN_ERROR("Cannot make array constant with type: '" +
1592 (*$1)->getDescription() + "'");
1593 const Type *ETy = ATy->getElementType();
1594 uint64_t NumElements = ATy->getNumElements();
1596 // Verify that we have the correct size...
1597 if (NumElements != uint64_t(-1) && NumElements != $3->size())
1598 GEN_ERROR("Type mismatch: constant sized array initialized with " +
1599 utostr($3->size()) + " arguments, but has size of " +
1600 utostr(NumElements) + "");
1602 // Verify all elements are correct type!
1603 for (unsigned i = 0; i < $3->size(); i++) {
1604 if (ETy != (*$3)[i]->getType())
1605 GEN_ERROR("Element #" + utostr(i) + " is not of type '" +
1606 ETy->getDescription() +"' as required!\nIt is of type '"+
1607 (*$3)[i]->getType()->getDescription() + "'.");
1610 $$ = ConstantArray::get(ATy, *$3);
1611 delete $1; delete $3;
1615 if (!UpRefs.empty())
1616 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1617 const ArrayType *ATy = dyn_cast<ArrayType>($1->get());
1619 GEN_ERROR("Cannot make array constant with type: '" +
1620 (*$1)->getDescription() + "'");
1622 uint64_t NumElements = ATy->getNumElements();
1623 if (NumElements != uint64_t(-1) && NumElements != 0)
1624 GEN_ERROR("Type mismatch: constant sized array initialized with 0"
1625 " arguments, but has size of " + utostr(NumElements) +"");
1626 $$ = ConstantArray::get(ATy, std::vector<Constant*>());
1630 | Types 'c' STRINGCONSTANT {
1631 if (!UpRefs.empty())
1632 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1633 const ArrayType *ATy = dyn_cast<ArrayType>($1->get());
1635 GEN_ERROR("Cannot make array constant with type: '" +
1636 (*$1)->getDescription() + "'");
1638 uint64_t NumElements = ATy->getNumElements();
1639 const Type *ETy = ATy->getElementType();
1640 if (NumElements != uint64_t(-1) && NumElements != $3->length())
1641 GEN_ERROR("Can't build string constant of size " +
1642 utostr($3->length()) +
1643 " when array has size " + utostr(NumElements) + "");
1644 std::vector<Constant*> Vals;
1645 if (ETy == Type::Int8Ty) {
1646 for (uint64_t i = 0; i < $3->length(); ++i)
1647 Vals.push_back(ConstantInt::get(ETy, (*$3)[i]));
1650 GEN_ERROR("Cannot build string arrays of non byte sized elements");
1653 $$ = ConstantArray::get(ATy, Vals);
1657 | Types '<' ConstVector '>' { // Nonempty unsized arr
1658 if (!UpRefs.empty())
1659 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1660 const VectorType *PTy = dyn_cast<VectorType>($1->get());
1662 GEN_ERROR("Cannot make packed constant with type: '" +
1663 (*$1)->getDescription() + "'");
1664 const Type *ETy = PTy->getElementType();
1665 unsigned NumElements = PTy->getNumElements();
1667 // Verify that we have the correct size...
1668 if (NumElements != unsigned(-1) && NumElements != (unsigned)$3->size())
1669 GEN_ERROR("Type mismatch: constant sized packed initialized with " +
1670 utostr($3->size()) + " arguments, but has size of " +
1671 utostr(NumElements) + "");
1673 // Verify all elements are correct type!
1674 for (unsigned i = 0; i < $3->size(); i++) {
1675 if (ETy != (*$3)[i]->getType())
1676 GEN_ERROR("Element #" + utostr(i) + " is not of type '" +
1677 ETy->getDescription() +"' as required!\nIt is of type '"+
1678 (*$3)[i]->getType()->getDescription() + "'.");
1681 $$ = ConstantVector::get(PTy, *$3);
1682 delete $1; delete $3;
1685 | Types '{' ConstVector '}' {
1686 const StructType *STy = dyn_cast<StructType>($1->get());
1688 GEN_ERROR("Cannot make struct constant with type: '" +
1689 (*$1)->getDescription() + "'");
1691 if ($3->size() != STy->getNumContainedTypes())
1692 GEN_ERROR("Illegal number of initializers for structure type");
1694 // Check to ensure that constants are compatible with the type initializer!
1695 for (unsigned i = 0, e = $3->size(); i != e; ++i)
1696 if ((*$3)[i]->getType() != STy->getElementType(i))
1697 GEN_ERROR("Expected type '" +
1698 STy->getElementType(i)->getDescription() +
1699 "' for element #" + utostr(i) +
1700 " of structure initializer");
1702 // Check to ensure that Type is not packed
1703 if (STy->isPacked())
1704 GEN_ERROR("Unpacked Initializer to vector type '" +
1705 STy->getDescription() + "'");
1707 $$ = ConstantStruct::get(STy, *$3);
1708 delete $1; delete $3;
1712 if (!UpRefs.empty())
1713 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1714 const StructType *STy = dyn_cast<StructType>($1->get());
1716 GEN_ERROR("Cannot make struct constant with type: '" +
1717 (*$1)->getDescription() + "'");
1719 if (STy->getNumContainedTypes() != 0)
1720 GEN_ERROR("Illegal number of initializers for structure type");
1722 // Check to ensure that Type is not packed
1723 if (STy->isPacked())
1724 GEN_ERROR("Unpacked Initializer to vector type '" +
1725 STy->getDescription() + "'");
1727 $$ = ConstantStruct::get(STy, std::vector<Constant*>());
1731 | Types '<' '{' ConstVector '}' '>' {
1732 const StructType *STy = dyn_cast<StructType>($1->get());
1734 GEN_ERROR("Cannot make struct constant with type: '" +
1735 (*$1)->getDescription() + "'");
1737 if ($4->size() != STy->getNumContainedTypes())
1738 GEN_ERROR("Illegal number of initializers for structure type");
1740 // Check to ensure that constants are compatible with the type initializer!
1741 for (unsigned i = 0, e = $4->size(); i != e; ++i)
1742 if ((*$4)[i]->getType() != STy->getElementType(i))
1743 GEN_ERROR("Expected type '" +
1744 STy->getElementType(i)->getDescription() +
1745 "' for element #" + utostr(i) +
1746 " of structure initializer");
1748 // Check to ensure that Type is packed
1749 if (!STy->isPacked())
1750 GEN_ERROR("Vector initializer to non-vector type '" +
1751 STy->getDescription() + "'");
1753 $$ = ConstantStruct::get(STy, *$4);
1754 delete $1; delete $4;
1757 | Types '<' '{' '}' '>' {
1758 if (!UpRefs.empty())
1759 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1760 const StructType *STy = dyn_cast<StructType>($1->get());
1762 GEN_ERROR("Cannot make struct constant with type: '" +
1763 (*$1)->getDescription() + "'");
1765 if (STy->getNumContainedTypes() != 0)
1766 GEN_ERROR("Illegal number of initializers for structure type");
1768 // Check to ensure that Type is packed
1769 if (!STy->isPacked())
1770 GEN_ERROR("Vector initializer to non-vector type '" +
1771 STy->getDescription() + "'");
1773 $$ = ConstantStruct::get(STy, std::vector<Constant*>());
1778 if (!UpRefs.empty())
1779 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1780 const PointerType *PTy = dyn_cast<PointerType>($1->get());
1782 GEN_ERROR("Cannot make null pointer constant with type: '" +
1783 (*$1)->getDescription() + "'");
1785 $$ = ConstantPointerNull::get(PTy);
1790 if (!UpRefs.empty())
1791 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1792 $$ = UndefValue::get($1->get());
1796 | Types SymbolicValueRef {
1797 if (!UpRefs.empty())
1798 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1799 const PointerType *Ty = dyn_cast<PointerType>($1->get());
1801 GEN_ERROR("Global const reference must be a pointer type " + (*$1)->getDescription());
1803 // ConstExprs can exist in the body of a function, thus creating
1804 // GlobalValues whenever they refer to a variable. Because we are in
1805 // the context of a function, getExistingVal will search the functions
1806 // symbol table instead of the module symbol table for the global symbol,
1807 // which throws things all off. To get around this, we just tell
1808 // getExistingVal that we are at global scope here.
1810 Function *SavedCurFn = CurFun.CurrentFunction;
1811 CurFun.CurrentFunction = 0;
1813 Value *V = getExistingVal(Ty, $2);
1816 CurFun.CurrentFunction = SavedCurFn;
1818 // If this is an initializer for a constant pointer, which is referencing a
1819 // (currently) undefined variable, create a stub now that shall be replaced
1820 // in the future with the right type of variable.
1823 assert(isa<PointerType>(Ty) && "Globals may only be used as pointers!");
1824 const PointerType *PT = cast<PointerType>(Ty);
1826 // First check to see if the forward references value is already created!
1827 PerModuleInfo::GlobalRefsType::iterator I =
1828 CurModule.GlobalRefs.find(std::make_pair(PT, $2));
1830 if (I != CurModule.GlobalRefs.end()) {
1831 V = I->second; // Placeholder already exists, use it...
1835 if ($2.Type == ValID::GlobalName)
1836 Name = $2.getName();
1837 else if ($2.Type != ValID::GlobalID)
1838 GEN_ERROR("Invalid reference to global");
1840 // Create the forward referenced global.
1842 if (const FunctionType *FTy =
1843 dyn_cast<FunctionType>(PT->getElementType())) {
1844 GV = Function::Create(FTy, GlobalValue::ExternalWeakLinkage, Name,
1845 CurModule.CurrentModule);
1847 GV = new GlobalVariable(PT->getElementType(), false,
1848 GlobalValue::ExternalWeakLinkage, 0,
1849 Name, CurModule.CurrentModule);
1852 // Keep track of the fact that we have a forward ref to recycle it
1853 CurModule.GlobalRefs.insert(std::make_pair(std::make_pair(PT, $2), GV));
1858 $$ = cast<GlobalValue>(V);
1859 delete $1; // Free the type handle
1863 if (!UpRefs.empty())
1864 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1865 if ($1->get() != $2->getType())
1866 GEN_ERROR("Mismatched types for constant expression: " +
1867 (*$1)->getDescription() + " and " + $2->getType()->getDescription());
1872 | Types ZEROINITIALIZER {
1873 if (!UpRefs.empty())
1874 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
1875 const Type *Ty = $1->get();
1876 if (isa<FunctionType>(Ty) || Ty == Type::LabelTy || isa<OpaqueType>(Ty))
1877 GEN_ERROR("Cannot create a null initialized value of this type");
1878 $$ = Constant::getNullValue(Ty);
1882 | IntType ESINT64VAL { // integral constants
1883 if (!ConstantInt::isValueValidForType($1, $2))
1884 GEN_ERROR("Constant value doesn't fit in type");
1885 $$ = ConstantInt::get($1, $2, true);
1888 | IntType ESAPINTVAL { // arbitrary precision integer constants
1889 uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
1890 if ($2->getBitWidth() > BitWidth) {
1891 GEN_ERROR("Constant value does not fit in type");
1893 $2->sextOrTrunc(BitWidth);
1894 $$ = ConstantInt::get(*$2);
1898 | IntType EUINT64VAL { // integral constants
1899 if (!ConstantInt::isValueValidForType($1, $2))
1900 GEN_ERROR("Constant value doesn't fit in type");
1901 $$ = ConstantInt::get($1, $2, false);
1904 | IntType EUAPINTVAL { // arbitrary precision integer constants
1905 uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
1906 if ($2->getBitWidth() > BitWidth) {
1907 GEN_ERROR("Constant value does not fit in type");
1909 $2->zextOrTrunc(BitWidth);
1910 $$ = ConstantInt::get(*$2);
1914 | INTTYPE TRUETOK { // Boolean constants
1915 if (cast<IntegerType>($1)->getBitWidth() != 1)
1916 GEN_ERROR("Constant true must have type i1");
1917 $$ = ConstantInt::getTrue();
1920 | INTTYPE FALSETOK { // Boolean constants
1921 if (cast<IntegerType>($1)->getBitWidth() != 1)
1922 GEN_ERROR("Constant false must have type i1");
1923 $$ = ConstantInt::getFalse();
1926 | FPType FPVAL { // Floating point constants
1927 if (!ConstantFP::isValueValidForType($1, *$2))
1928 GEN_ERROR("Floating point constant invalid for type");
1929 // Lexer has no type info, so builds all float and double FP constants
1930 // as double. Fix this here. Long double is done right.
1931 if (&$2->getSemantics()==&APFloat::IEEEdouble && $1==Type::FloatTy)
1932 $2->convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven);
1933 $$ = ConstantFP::get(*$2);
1939 ConstExpr: CastOps '(' ConstVal TO Types ')' {
1940 if (!UpRefs.empty())
1941 GEN_ERROR("Invalid upreference in type: " + (*$5)->getDescription());
1943 const Type *DestTy = $5->get();
1944 if (!CastInst::castIsValid($1, $3, DestTy))
1945 GEN_ERROR("invalid cast opcode for cast from '" +
1946 Val->getType()->getDescription() + "' to '" +
1947 DestTy->getDescription() + "'");
1948 $$ = ConstantExpr::getCast($1, $3, DestTy);
1951 | GETELEMENTPTR '(' ConstVal IndexList ')' {
1952 if (!isa<PointerType>($3->getType()))
1953 GEN_ERROR("GetElementPtr requires a pointer operand");
1956 GetElementPtrInst::getIndexedType($3->getType(), $4->begin(), $4->end());
1958 GEN_ERROR("Index list invalid for constant getelementptr");
1960 SmallVector<Constant*, 8> IdxVec;
1961 for (unsigned i = 0, e = $4->size(); i != e; ++i)
1962 if (Constant *C = dyn_cast<Constant>((*$4)[i]))
1963 IdxVec.push_back(C);
1965 GEN_ERROR("Indices to constant getelementptr must be constants");
1969 $$ = ConstantExpr::getGetElementPtr($3, &IdxVec[0], IdxVec.size());
1972 | SELECT '(' ConstVal ',' ConstVal ',' ConstVal ')' {
1973 if ($3->getType() != Type::Int1Ty)
1974 GEN_ERROR("Select condition must be of boolean type");
1975 if ($5->getType() != $7->getType())
1976 GEN_ERROR("Select operand types must match");
1977 $$ = ConstantExpr::getSelect($3, $5, $7);
1980 | ArithmeticOps '(' ConstVal ',' ConstVal ')' {
1981 if ($3->getType() != $5->getType())
1982 GEN_ERROR("Binary operator types must match");
1984 $$ = ConstantExpr::get($1, $3, $5);
1986 | LogicalOps '(' ConstVal ',' ConstVal ')' {
1987 if ($3->getType() != $5->getType())
1988 GEN_ERROR("Logical operator types must match");
1989 if (!$3->getType()->isInteger()) {
1990 if (!isa<VectorType>($3->getType()) ||
1991 !cast<VectorType>($3->getType())->getElementType()->isInteger())
1992 GEN_ERROR("Logical operator requires integral operands");
1994 $$ = ConstantExpr::get($1, $3, $5);
1997 | ICMP IPredicates '(' ConstVal ',' ConstVal ')' {
1998 if ($4->getType() != $6->getType())
1999 GEN_ERROR("icmp operand types must match");
2000 $$ = ConstantExpr::getICmp($2, $4, $6);
2002 | FCMP FPredicates '(' ConstVal ',' ConstVal ')' {
2003 if ($4->getType() != $6->getType())
2004 GEN_ERROR("fcmp operand types must match");
2005 $$ = ConstantExpr::getFCmp($2, $4, $6);
2007 | VICMP IPredicates '(' ConstVal ',' ConstVal ')' {
2008 if ($4->getType() != $6->getType())
2009 GEN_ERROR("vicmp operand types must match");
2010 $$ = ConstantExpr::getVICmp($2, $4, $6);
2012 | VFCMP FPredicates '(' ConstVal ',' ConstVal ')' {
2013 if ($4->getType() != $6->getType())
2014 GEN_ERROR("vfcmp operand types must match");
2015 $$ = ConstantExpr::getVFCmp($2, $4, $6);
2017 | EXTRACTELEMENT '(' ConstVal ',' ConstVal ')' {
2018 if (!ExtractElementInst::isValidOperands($3, $5))
2019 GEN_ERROR("Invalid extractelement operands");
2020 $$ = ConstantExpr::getExtractElement($3, $5);
2023 | INSERTELEMENT '(' ConstVal ',' ConstVal ',' ConstVal ')' {
2024 if (!InsertElementInst::isValidOperands($3, $5, $7))
2025 GEN_ERROR("Invalid insertelement operands");
2026 $$ = ConstantExpr::getInsertElement($3, $5, $7);
2029 | SHUFFLEVECTOR '(' ConstVal ',' ConstVal ',' ConstVal ')' {
2030 if (!ShuffleVectorInst::isValidOperands($3, $5, $7))
2031 GEN_ERROR("Invalid shufflevector operands");
2032 $$ = ConstantExpr::getShuffleVector($3, $5, $7);
2035 | EXTRACTVALUE '(' ConstVal ConstantIndexList ')' {
2036 if (!isa<StructType>($3->getType()) && !isa<ArrayType>($3->getType()))
2037 GEN_ERROR("ExtractValue requires an aggregate operand");
2039 $$ = ConstantExpr::getExtractValue($3, &(*$4)[0], $4->size());
2043 | INSERTVALUE '(' ConstVal ',' ConstVal ConstantIndexList ')' {
2044 if (!isa<StructType>($3->getType()) && !isa<ArrayType>($3->getType()))
2045 GEN_ERROR("InsertValue requires an aggregate operand");
2047 $$ = ConstantExpr::getInsertValue($3, $5, &(*$6)[0], $6->size());
2053 // ConstVector - A list of comma separated constants.
2054 ConstVector : ConstVector ',' ConstVal {
2055 ($$ = $1)->push_back($3);
2059 $$ = new std::vector<Constant*>();
2065 // GlobalType - Match either GLOBAL or CONSTANT for global declarations...
2066 GlobalType : GLOBAL { $$ = false; } | CONSTANT { $$ = true; };
2069 ThreadLocal : THREAD_LOCAL { $$ = true; } | { $$ = false; };
2071 // AliaseeRef - Match either GlobalValue or bitcast to GlobalValue.
2072 AliaseeRef : ResultTypes SymbolicValueRef {
2073 const Type* VTy = $1->get();
2074 Value *V = getVal(VTy, $2);
2076 GlobalValue* Aliasee = dyn_cast<GlobalValue>(V);
2078 GEN_ERROR("Aliases can be created only to global values");
2084 | BITCAST '(' AliaseeRef TO Types ')' {
2086 const Type *DestTy = $5->get();
2087 if (!CastInst::castIsValid($1, $3, DestTy))
2088 GEN_ERROR("invalid cast opcode for cast from '" +
2089 Val->getType()->getDescription() + "' to '" +
2090 DestTy->getDescription() + "'");
2092 $$ = ConstantExpr::getCast($1, $3, DestTy);
2097 //===----------------------------------------------------------------------===//
2098 // Rules to match Modules
2099 //===----------------------------------------------------------------------===//
2101 // Module rule: Capture the result of parsing the whole file into a result
2106 $$ = ParserResult = CurModule.CurrentModule;
2107 CurModule.ModuleDone();
2111 $$ = ParserResult = CurModule.CurrentModule;
2112 CurModule.ModuleDone();
2119 | DefinitionList Definition
2123 : DEFINE { CurFun.isDeclare = false; } Function {
2124 CurFun.FunctionDone();
2127 | DECLARE { CurFun.isDeclare = true; } FunctionProto {
2130 | MODULE ASM_TOK AsmBlock {
2133 | OptLocalAssign TYPE Types {
2134 if (!UpRefs.empty())
2135 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
2136 // Eagerly resolve types. This is not an optimization, this is a
2137 // requirement that is due to the fact that we could have this:
2139 // %list = type { %list * }
2140 // %list = type { %list * } ; repeated type decl
2142 // If types are not resolved eagerly, then the two types will not be
2143 // determined to be the same type!
2145 ResolveTypeTo($1, *$3);
2147 if (!setTypeName(*$3, $1) && !$1) {
2149 // If this is a named type that is not a redefinition, add it to the slot
2151 CurModule.Types.push_back(*$3);
2157 | OptLocalAssign TYPE VOID {
2158 ResolveTypeTo($1, $3);
2160 if (!setTypeName($3, $1) && !$1) {
2162 // If this is a named type that is not a redefinition, add it to the slot
2164 CurModule.Types.push_back($3);
2168 | OptGlobalAssign GVVisibilityStyle ThreadLocal GlobalType ConstVal
2170 /* "Externally Visible" Linkage */
2172 GEN_ERROR("Global value initializer is not a constant");
2173 CurGV = ParseGlobalVariable($1, GlobalValue::ExternalLinkage,
2174 $2, $4, $5->getType(), $5, $3, $6);
2176 } GlobalVarAttributes {
2179 | OptGlobalAssign GVInternalLinkage GVVisibilityStyle ThreadLocal GlobalType
2180 ConstVal OptAddrSpace {
2182 GEN_ERROR("Global value initializer is not a constant");
2183 CurGV = ParseGlobalVariable($1, $2, $3, $5, $6->getType(), $6, $4, $7);
2185 } GlobalVarAttributes {
2188 | OptGlobalAssign GVExternalLinkage GVVisibilityStyle ThreadLocal GlobalType
2189 Types OptAddrSpace {
2190 if (!UpRefs.empty())
2191 GEN_ERROR("Invalid upreference in type: " + (*$6)->getDescription());
2192 CurGV = ParseGlobalVariable($1, $2, $3, $5, *$6, 0, $4, $7);
2195 } GlobalVarAttributes {
2199 | OptGlobalAssign GVVisibilityStyle ALIAS AliasLinkage AliaseeRef {
2206 GEN_ERROR("Alias name cannot be empty");
2208 Constant* Aliasee = $5;
2210 GEN_ERROR(std::string("Invalid aliasee for alias: ") + Name);
2212 GlobalAlias* GA = new GlobalAlias(Aliasee->getType(), $4, Name, Aliasee,
2213 CurModule.CurrentModule);
2214 GA->setVisibility($2);
2215 InsertValue(GA, CurModule.Values);
2218 // If there was a forward reference of this alias, resolve it now.
2222 ID = ValID::createGlobalName(Name);
2224 ID = ValID::createGlobalID(CurModule.Values.size()-1);
2226 if (GlobalValue *FWGV =
2227 CurModule.GetForwardRefForGlobal(GA->getType(), ID)) {
2228 // Replace uses of the fwdref with the actual alias.
2229 FWGV->replaceAllUsesWith(GA);
2230 if (GlobalVariable *GV = dyn_cast<GlobalVariable>(FWGV))
2231 GV->eraseFromParent();
2233 cast<Function>(FWGV)->eraseFromParent();
2239 | TARGET TargetDefinition {
2242 | DEPLIBS '=' LibrariesDefinition {
2248 AsmBlock : STRINGCONSTANT {
2249 const std::string &AsmSoFar = CurModule.CurrentModule->getModuleInlineAsm();
2250 if (AsmSoFar.empty())
2251 CurModule.CurrentModule->setModuleInlineAsm(*$1);
2253 CurModule.CurrentModule->setModuleInlineAsm(AsmSoFar+"\n"+*$1);
2258 TargetDefinition : TRIPLE '=' STRINGCONSTANT {
2259 CurModule.CurrentModule->setTargetTriple(*$3);
2262 | DATALAYOUT '=' STRINGCONSTANT {
2263 CurModule.CurrentModule->setDataLayout(*$3);
2267 LibrariesDefinition : '[' LibList ']';
2269 LibList : LibList ',' STRINGCONSTANT {
2270 CurModule.CurrentModule->addLibrary(*$3);
2275 CurModule.CurrentModule->addLibrary(*$1);
2279 | /* empty: end of list */ {
2284 //===----------------------------------------------------------------------===//
2285 // Rules to match Function Headers
2286 //===----------------------------------------------------------------------===//
2288 ArgListH : ArgListH ',' Types OptParamAttrs OptLocalName {
2289 if (!UpRefs.empty())
2290 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
2291 if (!(*$3)->isFirstClassType())
2292 GEN_ERROR("Argument types must be first-class");
2293 ArgListEntry E; E.Attrs = $4; E.Ty = $3; E.Name = $5;
2298 | Types OptParamAttrs OptLocalName {
2299 if (!UpRefs.empty())
2300 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
2301 if (!(*$1)->isFirstClassType())
2302 GEN_ERROR("Argument types must be first-class");
2303 ArgListEntry E; E.Attrs = $2; E.Ty = $1; E.Name = $3;
2304 $$ = new ArgListType;
2309 ArgList : ArgListH {
2313 | ArgListH ',' DOTDOTDOT {
2315 struct ArgListEntry E;
2316 E.Ty = new PATypeHolder(Type::VoidTy);
2318 E.Attrs = ParamAttr::None;
2323 $$ = new ArgListType;
2324 struct ArgListEntry E;
2325 E.Ty = new PATypeHolder(Type::VoidTy);
2327 E.Attrs = ParamAttr::None;
2336 FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
2337 OptFuncAttrs OptSection OptAlign OptGC OptFuncNotes {
2338 std::string FunctionName(*$3);
2339 delete $3; // Free strdup'd memory!
2341 // Check the function result for abstractness if this is a define. We should
2342 // have no abstract types at this point
2343 if (!CurFun.isDeclare && CurModule.TypeIsUnresolved($2))
2344 GEN_ERROR("Reference to abstract result: "+ $2->get()->getDescription());
2346 if (!FunctionType::isValidReturnType(*$2))
2347 GEN_ERROR("Invalid result type for LLVM function");
2349 std::vector<const Type*> ParamTypeList;
2350 SmallVector<ParamAttrsWithIndex, 8> Attrs;
2351 if ($7 != ParamAttr::None)
2352 Attrs.push_back(ParamAttrsWithIndex::get(0, $7));
2353 if ($5) { // If there are arguments...
2355 for (ArgListType::iterator I = $5->begin(); I != $5->end(); ++I, ++index) {
2356 const Type* Ty = I->Ty->get();
2357 if (!CurFun.isDeclare && CurModule.TypeIsUnresolved(I->Ty))
2358 GEN_ERROR("Reference to abstract argument: " + Ty->getDescription());
2359 ParamTypeList.push_back(Ty);
2360 if (Ty != Type::VoidTy && I->Attrs != ParamAttr::None)
2361 Attrs.push_back(ParamAttrsWithIndex::get(index, I->Attrs));
2365 bool isVarArg = ParamTypeList.size() && ParamTypeList.back() == Type::VoidTy;
2366 if (isVarArg) ParamTypeList.pop_back();
2370 PAL = PAListPtr::get(Attrs.begin(), Attrs.end());
2372 FunctionType *FT = FunctionType::get(*$2, ParamTypeList, isVarArg);
2373 const PointerType *PFT = PointerType::getUnqual(FT);
2377 if (!FunctionName.empty()) {
2378 ID = ValID::createGlobalName((char*)FunctionName.c_str());
2380 ID = ValID::createGlobalID(CurModule.Values.size());
2384 // See if this function was forward referenced. If so, recycle the object.
2385 if (GlobalValue *FWRef = CurModule.GetForwardRefForGlobal(PFT, ID)) {
2386 // Move the function to the end of the list, from whereever it was
2387 // previously inserted.
2388 Fn = cast<Function>(FWRef);
2389 assert(Fn->getParamAttrs().isEmpty() &&
2390 "Forward reference has parameter attributes!");
2391 CurModule.CurrentModule->getFunctionList().remove(Fn);
2392 CurModule.CurrentModule->getFunctionList().push_back(Fn);
2393 } else if (!FunctionName.empty() && // Merge with an earlier prototype?
2394 (Fn = CurModule.CurrentModule->getFunction(FunctionName))) {
2395 if (Fn->getFunctionType() != FT ) {
2396 // The existing function doesn't have the same type. This is an overload
2398 GEN_ERROR("Overload of function '" + FunctionName + "' not permitted.");
2399 } else if (Fn->getParamAttrs() != PAL) {
2400 // The existing function doesn't have the same parameter attributes.
2401 // This is an overload error.
2402 GEN_ERROR("Overload of function '" + FunctionName + "' not permitted.");
2403 } else if (!CurFun.isDeclare && !Fn->isDeclaration()) {
2404 // Neither the existing or the current function is a declaration and they
2405 // have the same name and same type. Clearly this is a redefinition.
2406 GEN_ERROR("Redefinition of function '" + FunctionName + "'");
2407 } else if (Fn->isDeclaration()) {
2408 // Make sure to strip off any argument names so we can't get conflicts.
2409 for (Function::arg_iterator AI = Fn->arg_begin(), AE = Fn->arg_end();
2413 } else { // Not already defined?
2414 Fn = Function::Create(FT, GlobalValue::ExternalWeakLinkage, FunctionName,
2415 CurModule.CurrentModule);
2416 InsertValue(Fn, CurModule.Values);
2419 CurFun.FunctionStart(Fn);
2421 if (CurFun.isDeclare) {
2422 // If we have declaration, always overwrite linkage. This will allow us to
2423 // correctly handle cases, when pointer to function is passed as argument to
2424 // another function.
2425 Fn->setLinkage(CurFun.Linkage);
2426 Fn->setVisibility(CurFun.Visibility);
2428 Fn->setCallingConv($1);
2429 Fn->setParamAttrs(PAL);
2430 Fn->setAlignment($9);
2432 Fn->setSection(*$8);
2436 Fn->setGC($10->c_str());
2443 // Add all of the arguments we parsed to the function...
2444 if ($5) { // Is null if empty...
2445 if (isVarArg) { // Nuke the last entry
2446 assert($5->back().Ty->get() == Type::VoidTy && $5->back().Name == 0 &&
2447 "Not a varargs marker!");
2448 delete $5->back().Ty;
2449 $5->pop_back(); // Delete the last entry
2451 Function::arg_iterator ArgIt = Fn->arg_begin();
2452 Function::arg_iterator ArgEnd = Fn->arg_end();
2454 for (ArgListType::iterator I = $5->begin();
2455 I != $5->end() && ArgIt != ArgEnd; ++I, ++ArgIt) {
2456 delete I->Ty; // Delete the typeholder...
2457 setValueName(ArgIt, I->Name); // Insert arg into symtab...
2463 delete $5; // We're now done with the argument list
2468 BEGIN : BEGINTOK | '{'; // Allow BEGIN or '{' to start a function
2470 FunctionHeader : FunctionDefineLinkage GVVisibilityStyle FunctionHeaderH BEGIN {
2471 $$ = CurFun.CurrentFunction;
2473 // Make sure that we keep track of the linkage type even if there was a
2474 // previous "declare".
2476 $$->setVisibility($2);
2479 END : ENDTOK | '}'; // Allow end of '}' to end a function
2481 Function : BasicBlockList END {
2486 FunctionProto : FunctionDeclareLinkage GVVisibilityStyle FunctionHeaderH {
2487 CurFun.CurrentFunction->setLinkage($1);
2488 CurFun.CurrentFunction->setVisibility($2);
2489 $$ = CurFun.CurrentFunction;
2490 CurFun.FunctionDone();
2494 //===----------------------------------------------------------------------===//
2495 // Rules to match Basic Blocks
2496 //===----------------------------------------------------------------------===//
2498 OptSideEffect : /* empty */ {
2507 ConstValueRef : ESINT64VAL { // A reference to a direct constant
2508 $$ = ValID::create($1);
2512 $$ = ValID::create($1);
2515 | ESAPINTVAL { // arbitrary precision integer constants
2516 $$ = ValID::create(*$1, true);
2520 | EUAPINTVAL { // arbitrary precision integer constants
2521 $$ = ValID::create(*$1, false);
2525 | FPVAL { // Perhaps it's an FP constant?
2526 $$ = ValID::create($1);
2530 $$ = ValID::create(ConstantInt::getTrue());
2534 $$ = ValID::create(ConstantInt::getFalse());
2538 $$ = ValID::createNull();
2542 $$ = ValID::createUndef();
2545 | ZEROINITIALIZER { // A vector zero constant.
2546 $$ = ValID::createZeroInit();
2549 | '<' ConstVector '>' { // Nonempty unsized packed vector
2550 const Type *ETy = (*$2)[0]->getType();
2551 unsigned NumElements = $2->size();
2553 if (!ETy->isInteger() && !ETy->isFloatingPoint())
2554 GEN_ERROR("Invalid vector element type: " + ETy->getDescription());
2556 VectorType* pt = VectorType::get(ETy, NumElements);
2557 PATypeHolder* PTy = new PATypeHolder(HandleUpRefs(pt));
2559 // Verify all elements are correct type!
2560 for (unsigned i = 0; i < $2->size(); i++) {
2561 if (ETy != (*$2)[i]->getType())
2562 GEN_ERROR("Element #" + utostr(i) + " is not of type '" +
2563 ETy->getDescription() +"' as required!\nIt is of type '" +
2564 (*$2)[i]->getType()->getDescription() + "'.");
2567 $$ = ValID::create(ConstantVector::get(pt, *$2));
2568 delete PTy; delete $2;
2571 | '[' ConstVector ']' { // Nonempty unsized arr
2572 const Type *ETy = (*$2)[0]->getType();
2573 uint64_t NumElements = $2->size();
2575 if (!ETy->isFirstClassType())
2576 GEN_ERROR("Invalid array element type: " + ETy->getDescription());
2578 ArrayType *ATy = ArrayType::get(ETy, NumElements);
2579 PATypeHolder* PTy = new PATypeHolder(HandleUpRefs(ATy));
2581 // Verify all elements are correct type!
2582 for (unsigned i = 0; i < $2->size(); i++) {
2583 if (ETy != (*$2)[i]->getType())
2584 GEN_ERROR("Element #" + utostr(i) + " is not of type '" +
2585 ETy->getDescription() +"' as required!\nIt is of type '"+
2586 (*$2)[i]->getType()->getDescription() + "'.");
2589 $$ = ValID::create(ConstantArray::get(ATy, *$2));
2590 delete PTy; delete $2;
2594 // Use undef instead of an array because it's inconvenient to determine
2595 // the element type at this point, there being no elements to examine.
2596 $$ = ValID::createUndef();
2599 | 'c' STRINGCONSTANT {
2600 uint64_t NumElements = $2->length();
2601 const Type *ETy = Type::Int8Ty;
2603 ArrayType *ATy = ArrayType::get(ETy, NumElements);
2605 std::vector<Constant*> Vals;
2606 for (unsigned i = 0; i < $2->length(); ++i)
2607 Vals.push_back(ConstantInt::get(ETy, (*$2)[i]));
2609 $$ = ValID::create(ConstantArray::get(ATy, Vals));
2612 | '{' ConstVector '}' {
2613 std::vector<const Type*> Elements($2->size());
2614 for (unsigned i = 0, e = $2->size(); i != e; ++i)
2615 Elements[i] = (*$2)[i]->getType();
2617 const StructType *STy = StructType::get(Elements);
2618 PATypeHolder* PTy = new PATypeHolder(HandleUpRefs(STy));
2620 $$ = ValID::create(ConstantStruct::get(STy, *$2));
2621 delete PTy; delete $2;
2625 const StructType *STy = StructType::get(std::vector<const Type*>());
2626 $$ = ValID::create(ConstantStruct::get(STy, std::vector<Constant*>()));
2629 | '<' '{' ConstVector '}' '>' {
2630 std::vector<const Type*> Elements($3->size());
2631 for (unsigned i = 0, e = $3->size(); i != e; ++i)
2632 Elements[i] = (*$3)[i]->getType();
2634 const StructType *STy = StructType::get(Elements, /*isPacked=*/true);
2635 PATypeHolder* PTy = new PATypeHolder(HandleUpRefs(STy));
2637 $$ = ValID::create(ConstantStruct::get(STy, *$3));
2638 delete PTy; delete $3;
2642 const StructType *STy = StructType::get(std::vector<const Type*>(),
2644 $$ = ValID::create(ConstantStruct::get(STy, std::vector<Constant*>()));
2648 $$ = ValID::create($1);
2651 | ASM_TOK OptSideEffect STRINGCONSTANT ',' STRINGCONSTANT {
2652 $$ = ValID::createInlineAsm(*$3, *$5, $2);
2658 // SymbolicValueRef - Reference to one of two ways of symbolically refering to
2661 SymbolicValueRef : LOCALVAL_ID { // Is it an integer reference...?
2662 $$ = ValID::createLocalID($1);
2666 $$ = ValID::createGlobalID($1);
2669 | LocalName { // Is it a named reference...?
2670 $$ = ValID::createLocalName(*$1);
2674 | GlobalName { // Is it a named reference...?
2675 $$ = ValID::createGlobalName(*$1);
2680 // ValueRef - A reference to a definition... either constant or symbolic
2681 ValueRef : SymbolicValueRef | ConstValueRef;
2684 // ResolvedVal - a <type> <value> pair. This is used only in cases where the
2685 // type immediately preceeds the value reference, and allows complex constant
2686 // pool references (for things like: 'ret [2 x int] [ int 12, int 42]')
2687 ResolvedVal : Types ValueRef {
2688 if (!UpRefs.empty())
2689 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
2690 $$ = getVal(*$1, $2);
2696 ReturnedVal : ResolvedVal {
2697 $$ = new std::vector<Value *>();
2701 | ReturnedVal ',' ResolvedVal {
2702 ($$=$1)->push_back($3);
2706 BasicBlockList : BasicBlockList BasicBlock {
2710 | FunctionHeader BasicBlock { // Do not allow functions with 0 basic blocks
2716 // Basic blocks are terminated by branching instructions:
2717 // br, br/cc, switch, ret
2719 BasicBlock : InstructionList OptLocalAssign BBTerminatorInst {
2720 setValueName($3, $2);
2723 $1->getInstList().push_back($3);
2728 BasicBlock : InstructionList LocalNumber BBTerminatorInst {
2730 int ValNum = InsertValue($3);
2731 if (ValNum != (int)$2)
2732 GEN_ERROR("Result value number %" + utostr($2) +
2733 " is incorrect, expected %" + utostr((unsigned)ValNum));
2735 $1->getInstList().push_back($3);
2741 InstructionList : InstructionList Inst {
2742 if (CastInst *CI1 = dyn_cast<CastInst>($2))
2743 if (CastInst *CI2 = dyn_cast<CastInst>(CI1->getOperand(0)))
2744 if (CI2->getParent() == 0)
2745 $1->getInstList().push_back(CI2);
2746 $1->getInstList().push_back($2);
2750 | /* empty */ { // Empty space between instruction lists
2751 $$ = defineBBVal(ValID::createLocalID(CurFun.NextValNum));
2754 | LABELSTR { // Labelled (named) basic block
2755 $$ = defineBBVal(ValID::createLocalName(*$1));
2762 RET ReturnedVal { // Return with a result...
2763 ValueList &VL = *$2;
2764 assert(!VL.empty() && "Invalid ret operands!");
2765 const Type *ReturnType = CurFun.CurrentFunction->getReturnType();
2766 if (VL.size() > 1 ||
2767 (isa<StructType>(ReturnType) &&
2768 (VL.empty() || VL[0]->getType() != ReturnType))) {
2769 Value *RV = UndefValue::get(ReturnType);
2770 for (unsigned i = 0, e = VL.size(); i != e; ++i) {
2771 Instruction *I = InsertValueInst::Create(RV, VL[i], i, "mrv");
2772 ($<BasicBlockVal>-1)->getInstList().push_back(I);
2775 $$ = ReturnInst::Create(RV);
2777 $$ = ReturnInst::Create(VL[0]);
2782 | RET VOID { // Return with no result...
2783 $$ = ReturnInst::Create();
2786 | BR LABEL ValueRef { // Unconditional Branch...
2787 BasicBlock* tmpBB = getBBVal($3);
2789 $$ = BranchInst::Create(tmpBB);
2790 } // Conditional Branch...
2791 | BR INTTYPE ValueRef ',' LABEL ValueRef ',' LABEL ValueRef {
2792 if (cast<IntegerType>($2)->getBitWidth() != 1)
2793 GEN_ERROR("Branch condition must have type i1");
2794 BasicBlock* tmpBBA = getBBVal($6);
2796 BasicBlock* tmpBBB = getBBVal($9);
2798 Value* tmpVal = getVal(Type::Int1Ty, $3);
2800 $$ = BranchInst::Create(tmpBBA, tmpBBB, tmpVal);
2802 | SWITCH IntType ValueRef ',' LABEL ValueRef '[' JumpTable ']' {
2803 Value* tmpVal = getVal($2, $3);
2805 BasicBlock* tmpBB = getBBVal($6);
2807 SwitchInst *S = SwitchInst::Create(tmpVal, tmpBB, $8->size());
2810 std::vector<std::pair<Constant*,BasicBlock*> >::iterator I = $8->begin(),
2812 for (; I != E; ++I) {
2813 if (ConstantInt *CI = dyn_cast<ConstantInt>(I->first))
2814 S->addCase(CI, I->second);
2816 GEN_ERROR("Switch case is constant, but not a simple integer");
2821 | SWITCH IntType ValueRef ',' LABEL ValueRef '[' ']' {
2822 Value* tmpVal = getVal($2, $3);
2824 BasicBlock* tmpBB = getBBVal($6);
2826 SwitchInst *S = SwitchInst::Create(tmpVal, tmpBB, 0);
2830 | INVOKE OptCallingConv ResultTypes ValueRef '(' ParamList ')' OptFuncAttrs
2831 TO LABEL ValueRef UNWIND LABEL ValueRef {
2833 // Handle the short syntax
2834 const PointerType *PFTy = 0;
2835 const FunctionType *Ty = 0;
2836 if (!(PFTy = dyn_cast<PointerType>($3->get())) ||
2837 !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
2838 // Pull out the types of all of the arguments...
2839 std::vector<const Type*> ParamTypes;
2840 ParamList::iterator I = $6->begin(), E = $6->end();
2841 for (; I != E; ++I) {
2842 const Type *Ty = I->Val->getType();
2843 if (Ty == Type::VoidTy)
2844 GEN_ERROR("Short call syntax cannot be used with varargs");
2845 ParamTypes.push_back(Ty);
2848 if (!FunctionType::isValidReturnType(*$3))
2849 GEN_ERROR("Invalid result type for LLVM function");
2851 Ty = FunctionType::get($3->get(), ParamTypes, false);
2852 PFTy = PointerType::getUnqual(Ty);
2857 Value *V = getVal(PFTy, $4); // Get the function we're calling...
2859 BasicBlock *Normal = getBBVal($11);
2861 BasicBlock *Except = getBBVal($14);
2864 SmallVector<ParamAttrsWithIndex, 8> Attrs;
2865 if ($8 != ParamAttr::None)
2866 Attrs.push_back(ParamAttrsWithIndex::get(0, $8));
2868 // Check the arguments
2870 if ($6->empty()) { // Has no arguments?
2871 // Make sure no arguments is a good thing!
2872 if (Ty->getNumParams() != 0)
2873 GEN_ERROR("No arguments passed to a function that "
2874 "expects arguments");
2875 } else { // Has arguments?
2876 // Loop through FunctionType's arguments and ensure they are specified
2878 FunctionType::param_iterator I = Ty->param_begin();
2879 FunctionType::param_iterator E = Ty->param_end();
2880 ParamList::iterator ArgI = $6->begin(), ArgE = $6->end();
2883 for (; ArgI != ArgE && I != E; ++ArgI, ++I, ++index) {
2884 if (ArgI->Val->getType() != *I)
2885 GEN_ERROR("Parameter " + ArgI->Val->getName()+ " is not of type '" +
2886 (*I)->getDescription() + "'");
2887 Args.push_back(ArgI->Val);
2888 if (ArgI->Attrs != ParamAttr::None)
2889 Attrs.push_back(ParamAttrsWithIndex::get(index, ArgI->Attrs));
2892 if (Ty->isVarArg()) {
2894 for (; ArgI != ArgE; ++ArgI, ++index) {
2895 Args.push_back(ArgI->Val); // push the remaining varargs
2896 if (ArgI->Attrs != ParamAttr::None)
2897 Attrs.push_back(ParamAttrsWithIndex::get(index, ArgI->Attrs));
2899 } else if (I != E || ArgI != ArgE)
2900 GEN_ERROR("Invalid number of parameters detected");
2905 PAL = PAListPtr::get(Attrs.begin(), Attrs.end());
2907 // Create the InvokeInst
2908 InvokeInst *II = InvokeInst::Create(V, Normal, Except,
2909 Args.begin(), Args.end());
2910 II->setCallingConv($2);
2911 II->setParamAttrs(PAL);
2917 $$ = new UnwindInst();
2921 $$ = new UnreachableInst();
2927 JumpTable : JumpTable IntType ConstValueRef ',' LABEL ValueRef {
2929 Constant *V = cast<Constant>(getExistingVal($2, $3));
2932 GEN_ERROR("May only switch on a constant pool value");
2934 BasicBlock* tmpBB = getBBVal($6);
2936 $$->push_back(std::make_pair(V, tmpBB));
2938 | IntType ConstValueRef ',' LABEL ValueRef {
2939 $$ = new std::vector<std::pair<Constant*, BasicBlock*> >();
2940 Constant *V = cast<Constant>(getExistingVal($1, $2));
2944 GEN_ERROR("May only switch on a constant pool value");
2946 BasicBlock* tmpBB = getBBVal($5);
2948 $$->push_back(std::make_pair(V, tmpBB));
2951 Inst : OptLocalAssign InstVal {
2952 // Is this definition named?? if so, assign the name...
2953 setValueName($2, $1);
2960 Inst : LocalNumber InstVal {
2962 int ValNum = InsertValue($2);
2964 if (ValNum != (int)$1)
2965 GEN_ERROR("Result value number %" + utostr($1) +
2966 " is incorrect, expected %" + utostr((unsigned)ValNum));
2973 PHIList : Types '[' ValueRef ',' ValueRef ']' { // Used for PHI nodes
2974 if (!UpRefs.empty())
2975 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
2976 $$ = new std::list<std::pair<Value*, BasicBlock*> >();
2977 Value* tmpVal = getVal(*$1, $3);
2979 BasicBlock* tmpBB = getBBVal($5);
2981 $$->push_back(std::make_pair(tmpVal, tmpBB));
2984 | PHIList ',' '[' ValueRef ',' ValueRef ']' {
2986 Value* tmpVal = getVal($1->front().first->getType(), $4);
2988 BasicBlock* tmpBB = getBBVal($6);
2990 $1->push_back(std::make_pair(tmpVal, tmpBB));
2994 ParamList : Types OptParamAttrs ValueRef OptParamAttrs {
2995 // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
2996 if (!UpRefs.empty())
2997 GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
2998 // Used for call and invoke instructions
2999 $$ = new ParamList();
3000 ParamListEntry E; E.Attrs = $2 | $4; E.Val = getVal($1->get(), $3);
3005 | LABEL OptParamAttrs ValueRef OptParamAttrs {
3006 // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
3007 // Labels are only valid in ASMs
3008 $$ = new ParamList();
3009 ParamListEntry E; E.Attrs = $2 | $4; E.Val = getBBVal($3);
3013 | ParamList ',' Types OptParamAttrs ValueRef OptParamAttrs {
3014 // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
3015 if (!UpRefs.empty())
3016 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3018 ParamListEntry E; E.Attrs = $4 | $6; E.Val = getVal($3->get(), $5);
3023 | ParamList ',' LABEL OptParamAttrs ValueRef OptParamAttrs {
3024 // FIXME: Remove trailing OptParamAttrs in LLVM 3.0, it was a mistake in 2.0
3026 ParamListEntry E; E.Attrs = $4 | $6; E.Val = getBBVal($5);
3030 | /*empty*/ { $$ = new ParamList(); };
3032 IndexList // Used for gep instructions and constant expressions
3033 : /*empty*/ { $$ = new std::vector<Value*>(); }
3034 | IndexList ',' ResolvedVal {
3041 ConstantIndexList // Used for insertvalue and extractvalue instructions
3043 $$ = new std::vector<unsigned>();
3044 if ((unsigned)$2 != $2)
3045 GEN_ERROR("Index " + utostr($2) + " is not valid for insertvalue or extractvalue.");
3048 | ConstantIndexList ',' EUINT64VAL {
3050 if ((unsigned)$3 != $3)
3051 GEN_ERROR("Index " + utostr($3) + " is not valid for insertvalue or extractvalue.");
3057 OptTailCall : TAIL CALL {
3066 InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
3067 if (!UpRefs.empty())
3068 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3069 if (!(*$2)->isInteger() && !(*$2)->isFloatingPoint() &&
3070 !isa<VectorType>((*$2).get()))
3072 "Arithmetic operator requires integer, FP, or packed operands");
3073 Value* val1 = getVal(*$2, $3);
3075 Value* val2 = getVal(*$2, $5);
3077 $$ = BinaryOperator::Create($1, val1, val2);
3079 GEN_ERROR("binary operator returned null");
3082 | LogicalOps Types ValueRef ',' ValueRef {
3083 if (!UpRefs.empty())
3084 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3085 if (!(*$2)->isInteger()) {
3086 if (!isa<VectorType>($2->get()) ||
3087 !cast<VectorType>($2->get())->getElementType()->isInteger())
3088 GEN_ERROR("Logical operator requires integral operands");
3090 Value* tmpVal1 = getVal(*$2, $3);
3092 Value* tmpVal2 = getVal(*$2, $5);
3094 $$ = BinaryOperator::Create($1, tmpVal1, tmpVal2);
3096 GEN_ERROR("binary operator returned null");
3099 | ICMP IPredicates Types ValueRef ',' ValueRef {
3100 if (!UpRefs.empty())
3101 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3102 Value* tmpVal1 = getVal(*$3, $4);
3104 Value* tmpVal2 = getVal(*$3, $6);
3106 $$ = CmpInst::Create($1, $2, tmpVal1, tmpVal2);
3108 GEN_ERROR("icmp operator returned null");
3111 | FCMP FPredicates Types ValueRef ',' ValueRef {
3112 if (!UpRefs.empty())
3113 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3114 Value* tmpVal1 = getVal(*$3, $4);
3116 Value* tmpVal2 = getVal(*$3, $6);
3118 $$ = CmpInst::Create($1, $2, tmpVal1, tmpVal2);
3120 GEN_ERROR("fcmp operator returned null");
3123 | VICMP IPredicates Types ValueRef ',' ValueRef {
3124 if (!UpRefs.empty())
3125 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3126 if (!isa<VectorType>((*$3).get()))
3127 GEN_ERROR("Scalar types not supported by vicmp instruction");
3128 Value* tmpVal1 = getVal(*$3, $4);
3130 Value* tmpVal2 = getVal(*$3, $6);
3132 $$ = CmpInst::Create($1, $2, tmpVal1, tmpVal2);
3134 GEN_ERROR("vicmp operator returned null");
3137 | VFCMP FPredicates Types ValueRef ',' ValueRef {
3138 if (!UpRefs.empty())
3139 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3140 if (!isa<VectorType>((*$3).get()))
3141 GEN_ERROR("Scalar types not supported by vfcmp instruction");
3142 Value* tmpVal1 = getVal(*$3, $4);
3144 Value* tmpVal2 = getVal(*$3, $6);
3146 $$ = CmpInst::Create($1, $2, tmpVal1, tmpVal2);
3148 GEN_ERROR("vfcmp operator returned null");
3151 | CastOps ResolvedVal TO Types {
3152 if (!UpRefs.empty())
3153 GEN_ERROR("Invalid upreference in type: " + (*$4)->getDescription());
3155 const Type* DestTy = $4->get();
3156 if (!CastInst::castIsValid($1, Val, DestTy))
3157 GEN_ERROR("invalid cast opcode for cast from '" +
3158 Val->getType()->getDescription() + "' to '" +
3159 DestTy->getDescription() + "'");
3160 $$ = CastInst::Create($1, Val, DestTy);
3163 | SELECT ResolvedVal ',' ResolvedVal ',' ResolvedVal {
3164 if (isa<VectorType>($2->getType())) {
3166 if (!isa<VectorType>($4->getType())
3167 || !isa<VectorType>($6->getType()) )
3168 GEN_ERROR("vector select value types must be vector types");
3169 const VectorType* cond_type = cast<VectorType>($2->getType());
3170 const VectorType* select_type = cast<VectorType>($4->getType());
3171 if (cond_type->getElementType() != Type::Int1Ty)
3172 GEN_ERROR("vector select condition element type must be boolean");
3173 if (cond_type->getNumElements() != select_type->getNumElements())
3174 GEN_ERROR("vector select number of elements must be the same");
3176 if ($2->getType() != Type::Int1Ty)
3177 GEN_ERROR("select condition must be boolean");
3179 if ($4->getType() != $6->getType())
3180 GEN_ERROR("select value types must match");
3181 $$ = SelectInst::Create($2, $4, $6);
3184 | VAARG ResolvedVal ',' Types {
3185 if (!UpRefs.empty())
3186 GEN_ERROR("Invalid upreference in type: " + (*$4)->getDescription());
3187 $$ = new VAArgInst($2, *$4);
3191 | EXTRACTELEMENT ResolvedVal ',' ResolvedVal {
3192 if (!ExtractElementInst::isValidOperands($2, $4))
3193 GEN_ERROR("Invalid extractelement operands");
3194 $$ = new ExtractElementInst($2, $4);
3197 | INSERTELEMENT ResolvedVal ',' ResolvedVal ',' ResolvedVal {
3198 if (!InsertElementInst::isValidOperands($2, $4, $6))
3199 GEN_ERROR("Invalid insertelement operands");
3200 $$ = InsertElementInst::Create($2, $4, $6);
3203 | SHUFFLEVECTOR ResolvedVal ',' ResolvedVal ',' ResolvedVal {
3204 if (!ShuffleVectorInst::isValidOperands($2, $4, $6))
3205 GEN_ERROR("Invalid shufflevector operands");
3206 $$ = new ShuffleVectorInst($2, $4, $6);
3210 const Type *Ty = $2->front().first->getType();
3211 if (!Ty->isFirstClassType())
3212 GEN_ERROR("PHI node operands must be of first class type");
3213 $$ = PHINode::Create(Ty);
3214 ((PHINode*)$$)->reserveOperandSpace($2->size());
3215 while ($2->begin() != $2->end()) {
3216 if ($2->front().first->getType() != Ty)
3217 GEN_ERROR("All elements of a PHI node must be of the same type");
3218 cast<PHINode>($$)->addIncoming($2->front().first, $2->front().second);
3221 delete $2; // Free the list...
3224 | OptTailCall OptCallingConv ResultTypes ValueRef '(' ParamList ')'
3227 // Handle the short syntax
3228 const PointerType *PFTy = 0;
3229 const FunctionType *Ty = 0;
3230 if (!(PFTy = dyn_cast<PointerType>($3->get())) ||
3231 !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
3232 // Pull out the types of all of the arguments...
3233 std::vector<const Type*> ParamTypes;
3234 ParamList::iterator I = $6->begin(), E = $6->end();
3235 for (; I != E; ++I) {
3236 const Type *Ty = I->Val->getType();
3237 if (Ty == Type::VoidTy)
3238 GEN_ERROR("Short call syntax cannot be used with varargs");
3239 ParamTypes.push_back(Ty);
3242 if (!FunctionType::isValidReturnType(*$3))
3243 GEN_ERROR("Invalid result type for LLVM function");
3245 Ty = FunctionType::get($3->get(), ParamTypes, false);
3246 PFTy = PointerType::getUnqual(Ty);
3249 Value *V = getVal(PFTy, $4); // Get the function we're calling...
3252 // Check for call to invalid intrinsic to avoid crashing later.
3253 if (Function *theF = dyn_cast<Function>(V)) {
3254 if (theF->hasName() && (theF->getValueName()->getKeyLength() >= 5) &&
3255 (0 == strncmp(theF->getValueName()->getKeyData(), "llvm.", 5)) &&
3256 !theF->getIntrinsicID(true))
3257 GEN_ERROR("Call to invalid LLVM intrinsic function '" +
3258 theF->getName() + "'");
3261 // Set up the ParamAttrs for the function
3262 SmallVector<ParamAttrsWithIndex, 8> Attrs;
3263 if ($8 != ParamAttr::None)
3264 Attrs.push_back(ParamAttrsWithIndex::get(0, $8));
3265 // Check the arguments
3267 if ($6->empty()) { // Has no arguments?
3268 // Make sure no arguments is a good thing!
3269 if (Ty->getNumParams() != 0)
3270 GEN_ERROR("No arguments passed to a function that "
3271 "expects arguments");
3272 } else { // Has arguments?
3273 // Loop through FunctionType's arguments and ensure they are specified
3274 // correctly. Also, gather any parameter attributes.
3275 FunctionType::param_iterator I = Ty->param_begin();
3276 FunctionType::param_iterator E = Ty->param_end();
3277 ParamList::iterator ArgI = $6->begin(), ArgE = $6->end();
3280 for (; ArgI != ArgE && I != E; ++ArgI, ++I, ++index) {
3281 if (ArgI->Val->getType() != *I)
3282 GEN_ERROR("Parameter " + ArgI->Val->getName()+ " is not of type '" +
3283 (*I)->getDescription() + "'");
3284 Args.push_back(ArgI->Val);
3285 if (ArgI->Attrs != ParamAttr::None)
3286 Attrs.push_back(ParamAttrsWithIndex::get(index, ArgI->Attrs));
3288 if (Ty->isVarArg()) {
3290 for (; ArgI != ArgE; ++ArgI, ++index) {
3291 Args.push_back(ArgI->Val); // push the remaining varargs
3292 if (ArgI->Attrs != ParamAttr::None)
3293 Attrs.push_back(ParamAttrsWithIndex::get(index, ArgI->Attrs));
3295 } else if (I != E || ArgI != ArgE)
3296 GEN_ERROR("Invalid number of parameters detected");
3299 // Finish off the ParamAttrs and check them
3302 PAL = PAListPtr::get(Attrs.begin(), Attrs.end());
3304 // Create the call node
3305 CallInst *CI = CallInst::Create(V, Args.begin(), Args.end());
3306 CI->setTailCall($1);
3307 CI->setCallingConv($2);
3308 CI->setParamAttrs(PAL);
3319 OptVolatile : VOLATILE {
3330 MemoryInst : MALLOC Types OptCAlign {
3331 if (!UpRefs.empty())
3332 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3333 $$ = new MallocInst(*$2, 0, $3);
3337 | MALLOC Types ',' INTTYPE ValueRef OptCAlign {
3338 if (!UpRefs.empty())
3339 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3340 if ($4 != Type::Int32Ty)
3341 GEN_ERROR("Malloc array size is not a 32-bit integer!");
3342 Value* tmpVal = getVal($4, $5);
3344 $$ = new MallocInst(*$2, tmpVal, $6);
3347 | ALLOCA Types OptCAlign {
3348 if (!UpRefs.empty())
3349 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3350 $$ = new AllocaInst(*$2, 0, $3);
3354 | ALLOCA Types ',' INTTYPE ValueRef OptCAlign {
3355 if (!UpRefs.empty())
3356 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3357 if ($4 != Type::Int32Ty)
3358 GEN_ERROR("Alloca array size is not a 32-bit integer!");
3359 Value* tmpVal = getVal($4, $5);
3361 $$ = new AllocaInst(*$2, tmpVal, $6);
3364 | FREE ResolvedVal {
3365 if (!isa<PointerType>($2->getType()))
3366 GEN_ERROR("Trying to free nonpointer type " +
3367 $2->getType()->getDescription() + "");
3368 $$ = new FreeInst($2);
3372 | OptVolatile LOAD Types ValueRef OptCAlign {
3373 if (!UpRefs.empty())
3374 GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
3375 if (!isa<PointerType>($3->get()))
3376 GEN_ERROR("Can't load from nonpointer type: " +
3377 (*$3)->getDescription());
3378 if (!cast<PointerType>($3->get())->getElementType()->isFirstClassType())
3379 GEN_ERROR("Can't load from pointer of non-first-class type: " +
3380 (*$3)->getDescription());
3381 Value* tmpVal = getVal(*$3, $4);
3383 $$ = new LoadInst(tmpVal, "", $1, $5);
3386 | OptVolatile STORE ResolvedVal ',' Types ValueRef OptCAlign {
3387 if (!UpRefs.empty())
3388 GEN_ERROR("Invalid upreference in type: " + (*$5)->getDescription());
3389 const PointerType *PT = dyn_cast<PointerType>($5->get());
3391 GEN_ERROR("Can't store to a nonpointer type: " +
3392 (*$5)->getDescription());
3393 const Type *ElTy = PT->getElementType();
3394 if (ElTy != $3->getType())
3395 GEN_ERROR("Can't store '" + $3->getType()->getDescription() +
3396 "' into space of type '" + ElTy->getDescription() + "'");
3398 Value* tmpVal = getVal(*$5, $6);
3400 $$ = new StoreInst($3, tmpVal, $1, $7);
3403 | GETRESULT Types ValueRef ',' EUINT64VAL {
3404 if (!UpRefs.empty())
3405 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3406 if (!isa<StructType>($2->get()) && !isa<ArrayType>($2->get()))
3407 GEN_ERROR("getresult insn requires an aggregate operand");
3408 if (!ExtractValueInst::getIndexedType(*$2, $5))
3409 GEN_ERROR("Invalid getresult index for type '" +
3410 (*$2)->getDescription()+ "'");
3412 Value *tmpVal = getVal(*$2, $3);
3414 $$ = ExtractValueInst::Create(tmpVal, $5);
3417 | GETELEMENTPTR Types ValueRef IndexList {
3418 if (!UpRefs.empty())
3419 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3420 if (!isa<PointerType>($2->get()))
3421 GEN_ERROR("getelementptr insn requires pointer operand");
3423 if (!GetElementPtrInst::getIndexedType(*$2, $4->begin(), $4->end()))
3424 GEN_ERROR("Invalid getelementptr indices for type '" +
3425 (*$2)->getDescription()+ "'");
3426 Value* tmpVal = getVal(*$2, $3);
3428 $$ = GetElementPtrInst::Create(tmpVal, $4->begin(), $4->end());
3432 | EXTRACTVALUE Types ValueRef ConstantIndexList {
3433 if (!UpRefs.empty())
3434 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3435 if (!isa<StructType>($2->get()) && !isa<ArrayType>($2->get()))
3436 GEN_ERROR("extractvalue insn requires an aggregate operand");
3438 if (!ExtractValueInst::getIndexedType(*$2, $4->begin(), $4->end()))
3439 GEN_ERROR("Invalid extractvalue indices for type '" +
3440 (*$2)->getDescription()+ "'");
3441 Value* tmpVal = getVal(*$2, $3);
3443 $$ = ExtractValueInst::Create(tmpVal, $4->begin(), $4->end());
3447 | INSERTVALUE Types ValueRef ',' Types ValueRef ConstantIndexList {
3448 if (!UpRefs.empty())
3449 GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
3450 if (!isa<StructType>($2->get()) && !isa<ArrayType>($2->get()))
3451 GEN_ERROR("extractvalue insn requires an aggregate operand");
3453 if (ExtractValueInst::getIndexedType(*$2, $7->begin(), $7->end()) != $5->get())
3454 GEN_ERROR("Invalid insertvalue indices for type '" +
3455 (*$2)->getDescription()+ "'");
3456 Value* aggVal = getVal(*$2, $3);
3457 Value* tmpVal = getVal(*$5, $6);
3459 $$ = InsertValueInst::Create(aggVal, tmpVal, $7->begin(), $7->end());
3468 // common code from the two 'RunVMAsmParser' functions
3469 static Module* RunParser(Module * M) {
3470 CurModule.CurrentModule = M;
3471 // Check to make sure the parser succeeded
3474 delete ParserResult;
3478 // Emit an error if there are any unresolved types left.
3479 if (!CurModule.LateResolveTypes.empty()) {
3480 const ValID &DID = CurModule.LateResolveTypes.begin()->first;
3481 if (DID.Type == ValID::LocalName) {
3482 GenerateError("Undefined type remains at eof: '"+DID.getName() + "'");
3484 GenerateError("Undefined type remains at eof: #" + itostr(DID.Num));
3487 delete ParserResult;
3491 // Emit an error if there are any unresolved values left.
3492 if (!CurModule.LateResolveValues.empty()) {
3493 Value *V = CurModule.LateResolveValues.back();
3494 std::map<Value*, std::pair<ValID, int> >::iterator I =
3495 CurModule.PlaceHolderInfo.find(V);
3497 if (I != CurModule.PlaceHolderInfo.end()) {
3498 ValID &DID = I->second.first;
3499 if (DID.Type == ValID::LocalName) {
3500 GenerateError("Undefined value remains at eof: "+DID.getName() + "'");
3502 GenerateError("Undefined value remains at eof: #" + itostr(DID.Num));
3505 delete ParserResult;
3510 // Check to make sure that parsing produced a result
3514 // Reset ParserResult variable while saving its value for the result.
3515 Module *Result = ParserResult;
3521 void llvm::GenerateError(const std::string &message, int LineNo) {
3522 if (LineNo == -1) LineNo = LLLgetLineNo();
3523 // TODO: column number in exception
3525 TheParseError->setError(LLLgetFilename(), message, LineNo);
3529 int yyerror(const char *ErrorMsg) {
3530 std::string where = LLLgetFilename() + ":" + utostr(LLLgetLineNo()) + ": ";
3531 std::string errMsg = where + "error: " + std::string(ErrorMsg);
3532 if (yychar != YYEMPTY && yychar != 0) {
3533 errMsg += " while reading token: '";
3534 errMsg += std::string(LLLgetTokenStart(),
3535 LLLgetTokenStart()+LLLgetTokenLength()) + "'";
3537 GenerateError(errMsg);