#include "llvm/Module.h"
#include "llvm/SymbolTable.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Streams.h"
#include <algorithm>
#include <list>
#include <utility>
+#ifndef NDEBUG
+#define YYDEBUG 1
+#endif
// The following is a gross hack. In order to rid the libAsmParser library of
// exceptions, we have to have a way of getting the yyparse function to go into
namespace llvm {
std::string CurFilename;
+#if YYDEBUG
+static cl::opt<bool>
+Debug("debug-yacc", cl::desc("Print yacc debug state changes"),
+ cl::Hidden, cl::init(false));
+#endif
}
using namespace llvm;
// destroyed when the function is completed.
//
typedef std::vector<Value *> ValueList; // Numbered defs
+
static void
ResolveDefinitions(std::map<const Type *,ValueList> &LateResolvers,
std::map<const Type *,ValueList> *FutureLateResolvers = 0);
return Ty;
}
-// common code from the two 'RunVMAsmParser' functions
-static Module* RunParser(Module * M) {
-
- llvmAsmlineno = 1; // Reset the current line number...
- CurModule.CurrentModule = M;
-
- // Check to make sure the parser succeeded
- if (yyparse()) {
- if (ParserResult)
- delete ParserResult;
- return 0;
- }
-
- // Check to make sure that parsing produced a result
- if (!ParserResult)
- return 0;
-
- // Reset ParserResult variable while saving its value for the result.
- Module *Result = ParserResult;
- ParserResult = 0;
-
- return Result;
-}
-
//===----------------------------------------------------------------------===//
// RunVMAsmParser - Define an interface to this parser
//===----------------------------------------------------------------------===//
//
+static Module* RunParser(Module * M);
+
Module *llvm::RunVMAsmParser(const std::string &Filename, FILE *F) {
set_scan_file(F);
%union {
llvm::Module *ModuleVal;
llvm::Function *FunctionVal;
- std::pair<llvm::PATypeHolder*, char*> *ArgVal;
llvm::BasicBlock *BasicBlockVal;
llvm::TerminatorInst *TermInstVal;
llvm::Instruction *InstVal;
llvm::Constant *ConstVal;
const llvm::Type *PrimType;
+ std::list<llvm::PATypeHolder> *TypeList;
llvm::PATypeHolder *TypeVal;
llvm::Value *ValueVal;
-
- std::vector<std::pair<llvm::PATypeHolder*,char*> > *ArgList;
std::vector<llvm::Value*> *ValueList;
- std::list<llvm::PATypeHolder> *TypeList;
+ llvm::ArgListType *ArgList;
+ llvm::TypeWithAttrs TypeWithAttrs;
+ llvm::TypeWithAttrsList *TypeWithAttrsList;
+ llvm::ValueRefList *ValueRefList;
+
// Represent the RHS of PHI node
std::list<std::pair<llvm::Value*,
llvm::BasicBlock*> > *PHIList;
std::vector<llvm::Constant*> *ConstVector;
llvm::GlobalValue::LinkageTypes Linkage;
+ llvm::FunctionType::ParameterAttributes ParamAttrs;
int64_t SInt64Val;
uint64_t UInt64Val;
int SIntVal;
llvm::FCmpInst::Predicate FPredicate;
}
-%type <ModuleVal> Module
+%type <ModuleVal> Module
%type <FunctionVal> Function FunctionProto FunctionHeader BasicBlockList
%type <BasicBlockVal> BasicBlock InstructionList
%type <TermInstVal> BBTerminatorInst
%type <ConstVal> ConstVal ConstExpr
%type <ConstVector> ConstVector
%type <ArgList> ArgList ArgListH
-%type <ArgVal> ArgVal
%type <PHIList> PHIList
-%type <ValueList> ValueRefList ValueRefListE // For call param lists
-%type <ValueList> IndexList // For GEP derived indices
-%type <TypeList> TypeListI ArgTypeListI
+%type <ValueRefList> ValueRefList // For call param lists & GEP indices
+%type <ValueList> IndexList // For GEP indices
+%type <TypeList> TypeListI
+%type <TypeWithAttrsList> ArgTypeList ArgTypeListI
+%type <TypeWithAttrs> ArgType ResultType
%type <JumpTable> JumpTable
%type <BoolVal> GlobalType // GLOBAL or CONSTANT?
%type <BoolVal> OptVolatile // 'volatile' or not
%type <BoolVal> OptTailCall // TAIL CALL or plain CALL.
%type <BoolVal> OptSideEffect // 'sideeffect' or not.
-%type <Linkage> FunctionLinkage GVInternalLinkage GVExternalLinkage
+%type <Linkage> GVInternalLinkage GVExternalLinkage
+%type <Linkage> FunctionDefineLinkage FunctionDeclareLinkage
%type <Endianness> BigOrLittle
// ValueRef - Unresolved reference to a definition or BB
%token <FPVal> FPVAL // Float or Double constant
// Built in types...
-%type <TypeVal> Types TypesV UpRTypes UpRTypesV
-%type <PrimType> SIntType UIntType IntType FPType PrimType // Classifications
-%token <PrimType> VOID BOOL SBYTE UBYTE SHORT USHORT INT UINT LONG ULONG
+%type <TypeVal> Types
+%type <PrimType> IntType FPType PrimType // Classifications
+%token <PrimType> VOID BOOL INT8 INT16 INT32 INT64
%token <PrimType> FLOAT DOUBLE LABEL
%token TYPE
%token IMPLEMENTATION ZEROINITIALIZER TRUETOK FALSETOK BEGINTOK ENDTOK
%token DECLARE DEFINE GLOBAL CONSTANT SECTION VOLATILE
-%token TO DOTDOTDOT NULL_TOK UNDEF CONST INTERNAL LINKONCE WEAK APPENDING
+%token TO DOTDOTDOT NULL_TOK UNDEF INTERNAL LINKONCE WEAK APPENDING
%token DLLIMPORT DLLEXPORT EXTERN_WEAK
%token OPAQUE NOT EXTERNAL TARGET TRIPLE ENDIAN POINTERSIZE LITTLE BIG ALIGN
%token DEPLIBS CALL TAIL ASM_TOK MODULE SIDEEFFECT
%token X86_STDCALLCC_TOK X86_FASTCALLCC_TOK
%token DATALAYOUT
%type <UIntVal> OptCallingConv
+%type <ParamAttrs> OptParamAttrs ParamAttrList ParamAttr
// Basic Block Terminating Operators
%token <TermOpVal> RET BR SWITCH INVOKE UNWIND UNREACHABLE
// These are some types that allow classification if we only want a particular
// thing... for example, only a signed, unsigned, or integral type.
-SIntType : LONG | INT | SHORT | SBYTE;
-UIntType : ULONG | UINT | USHORT | UBYTE;
-IntType : SIntType | UIntType;
+IntType : INT64 | INT32 | INT16 | INT8;
FPType : FLOAT | DOUBLE;
// OptAssign - Value producing statements have an optional assignment component
| EXTERNAL { $$ = GlobalValue::ExternalLinkage; }
;
-FnDeclareLinkage
- : /*empty*/ { /*default*/ }
- | DLLIMPORT { CurFun.Linkage = GlobalValue::DLLImportLinkage; }
- | EXTERN_WEAK { CurFun.Linkage = GlobalValue::ExternalWeakLinkage; }
+FunctionDeclareLinkage
+ : /*empty*/ { $$ = GlobalValue::ExternalLinkage; }
+ | DLLIMPORT { $$ = GlobalValue::DLLImportLinkage; }
+ | EXTERN_WEAK { $$ = GlobalValue::ExternalWeakLinkage; }
;
-FunctionLinkage
- : INTERNAL { $$ = GlobalValue::InternalLinkage; }
+FunctionDefineLinkage
+ : /*empty*/ { $$ = GlobalValue::ExternalLinkage; }
+ | INTERNAL { $$ = GlobalValue::InternalLinkage; }
| LINKONCE { $$ = GlobalValue::LinkOnceLinkage; }
| WEAK { $$ = GlobalValue::WeakLinkage; }
| DLLEXPORT { $$ = GlobalValue::DLLExportLinkage; }
- | /*empty*/ { $$ = GlobalValue::ExternalLinkage; }
;
OptCallingConv : /*empty*/ { $$ = CallingConv::C; } |
CHECK_FOR_ERROR
};
+ParamAttr : ZEXT { $$ = FunctionType::ZExtAttribute; }
+ | SEXT { $$ = FunctionType::SExtAttribute; }
+ ;
+
+ParamAttrList : ParamAttr { $$ = $1; }
+ | ParamAttrList ',' ParamAttr {
+ $$ = FunctionType::ParameterAttributes($1 | $3);
+ }
+ ;
+
+OptParamAttrs : /* empty */ { $$ = FunctionType::NoAttributeSet; }
+ | '@' ParamAttr { $$ = $2; }
+ | '@' '(' ParamAttrList ')' { $$ = $3; }
+ ;
+
// OptAlign/OptCAlign - An optional alignment, and an optional alignment with
// a comma before it.
OptAlign : /*empty*/ { $$ = 0; } |
//===----------------------------------------------------------------------===//
// Types includes all predefined types... except void, because it can only be
-// used in specific contexts (function returning void for example). To have
-// access to it, a user must explicitly use TypesV.
-//
-
-// TypesV includes all of 'Types', but it also includes the void type.
-TypesV : Types | VOID { $$ = new PATypeHolder($1); };
-UpRTypesV : UpRTypes | VOID { $$ = new PATypeHolder($1); };
-
-Types : UpRTypes {
- if (!UpRefs.empty())
- GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
- $$ = $1;
- CHECK_FOR_ERROR
- };
-
+// used in specific contexts (function returning void for example).
// Derived types are added later...
//
-PrimType : BOOL | SBYTE | UBYTE | SHORT | USHORT | INT | UINT ;
-PrimType : LONG | ULONG | FLOAT | DOUBLE | LABEL ;
-UpRTypes : OPAQUE {
+PrimType : BOOL | INT8 | INT16 | INT32 | INT64 | FLOAT | DOUBLE | LABEL ;
+
+Types
+ : OPAQUE {
$$ = new PATypeHolder(OpaqueType::get());
CHECK_FOR_ERROR
}
| PrimType {
$$ = new PATypeHolder($1);
CHECK_FOR_ERROR
- };
-UpRTypes : SymbolicValueRef { // Named types are also simple types...
- const Type* tmp = getTypeVal($1);
- CHECK_FOR_ERROR
- $$ = new PATypeHolder(tmp);
-};
-
-// Include derived types in the Types production.
-//
-UpRTypes : '\\' EUINT64VAL { // Type UpReference
+ }
+ | Types '*' { // Pointer type?
+ if (*$1 == Type::LabelTy)
+ GEN_ERROR("Cannot form a pointer to a basic block");
+ $$ = new PATypeHolder(HandleUpRefs(PointerType::get(*$1)));
+ delete $1;
+ CHECK_FOR_ERROR
+ }
+ | SymbolicValueRef { // Named types are also simple types...
+ const Type* tmp = getTypeVal($1);
+ CHECK_FOR_ERROR
+ $$ = new PATypeHolder(tmp);
+ }
+ | '\\' EUINT64VAL { // Type UpReference
if ($2 > (uint64_t)~0U) GEN_ERROR("Value out of range!");
OpaqueType *OT = OpaqueType::get(); // Use temporary placeholder
UpRefs.push_back(UpRefRecord((unsigned)$2, OT)); // Add to vector...
UR_OUT("New Upreference!\n");
CHECK_FOR_ERROR
}
- | UpRTypesV '(' ArgTypeListI ')' { // Function derived type?
+ | Types OptParamAttrs '(' ArgTypeListI ')' {
std::vector<const Type*> Params;
- for (std::list<llvm::PATypeHolder>::iterator I = $3->begin(),
- E = $3->end(); I != E; ++I)
- Params.push_back(*I);
+ std::vector<FunctionType::ParameterAttributes> Attrs;
+ Attrs.push_back($2);
+ for (TypeWithAttrsList::iterator I=$4->begin(), E=$4->end(); I != E; ++I) {
+ Params.push_back(I->Ty->get());
+ if (I->Ty->get() != Type::VoidTy)
+ Attrs.push_back(I->Attrs);
+ }
bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
if (isVarArg) Params.pop_back();
- $$ = new PATypeHolder(HandleUpRefs(FunctionType::get(*$1,Params,isVarArg)));
- delete $3; // Delete the argument list
- delete $1; // Delete the return type handle
+ FunctionType *FT = FunctionType::get(*$1, Params, isVarArg, Attrs);
+ delete $4; // Delete the argument list
+ delete $1; // Delete the return type handle
+ $$ = new PATypeHolder(HandleUpRefs(FT));
CHECK_FOR_ERROR
}
- | '[' EUINT64VAL 'x' UpRTypes ']' { // Sized array type?
+ | VOID OptParamAttrs '(' ArgTypeListI ')' {
+ std::vector<const Type*> Params;
+ std::vector<FunctionType::ParameterAttributes> Attrs;
+ Attrs.push_back($2);
+ for (TypeWithAttrsList::iterator I=$4->begin(), E=$4->end(); I != E; ++I) {
+ Params.push_back(I->Ty->get());
+ if (I->Ty->get() != Type::VoidTy)
+ Attrs.push_back(I->Attrs);
+ }
+ bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
+ if (isVarArg) Params.pop_back();
+
+ FunctionType *FT = FunctionType::get($1, Params, isVarArg, Attrs);
+ delete $4; // Delete the argument list
+ $$ = new PATypeHolder(HandleUpRefs(FT));
+ CHECK_FOR_ERROR
+ }
+
+ | '[' EUINT64VAL 'x' Types ']' { // Sized array type?
$$ = new PATypeHolder(HandleUpRefs(ArrayType::get(*$4, (unsigned)$2)));
delete $4;
CHECK_FOR_ERROR
}
- | '<' EUINT64VAL 'x' UpRTypes '>' { // Packed array type?
+ | '<' EUINT64VAL 'x' Types '>' { // Packed array type?
const llvm::Type* ElemTy = $4->get();
if ((unsigned)$2 != $2)
GEN_ERROR("Unsigned result not equal to signed result");
$$ = new PATypeHolder(StructType::get(std::vector<const Type*>(), true));
CHECK_FOR_ERROR
}
- | UpRTypes '*' { // Pointer type?
- if (*$1 == Type::LabelTy)
- GEN_ERROR("Cannot form a pointer to a basic block");
- $$ = new PATypeHolder(HandleUpRefs(PointerType::get(*$1)));
- delete $1;
- CHECK_FOR_ERROR
- };
+ ;
-// TypeList - Used for struct declarations and as a basis for function type
-// declaration type lists
-//
-TypeListI : UpRTypes {
- $$ = new std::list<PATypeHolder>();
- $$->push_back(*$1); delete $1;
+ArgType
+ : Types OptParamAttrs {
+ $$.Ty = $1;
+ $$.Attrs = $2;
+ }
+ ;
+
+ResultType
+ : Types OptParamAttrs {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
+ if (!(*$1)->isFirstClassType())
+ GEN_ERROR("LLVM functions cannot return aggregate types!");
+ $$.Ty = $1;
+ $$.Attrs = $2;
+ }
+ | VOID OptParamAttrs {
+ $$.Ty = new PATypeHolder(Type::VoidTy);
+ $$.Attrs = $2;
+ }
+ ;
+
+ArgTypeList : ArgType {
+ $$ = new TypeWithAttrsList();
+ $$->push_back($1);
CHECK_FOR_ERROR
}
- | TypeListI ',' UpRTypes {
- ($$=$1)->push_back(*$3); delete $3;
+ | ArgTypeList ',' ArgType {
+ ($$=$1)->push_back($3);
CHECK_FOR_ERROR
- };
+ }
+ ;
-// ArgTypeList - List of types for a function type declaration...
-ArgTypeListI : TypeListI
- | TypeListI ',' DOTDOTDOT {
- ($$=$1)->push_back(Type::VoidTy);
+ArgTypeListI
+ : ArgTypeList
+ | ArgTypeList ',' DOTDOTDOT {
+ $$=$1;
+ TypeWithAttrs TWA; TWA.Attrs = FunctionType::NoAttributeSet;
+ TWA.Ty = new PATypeHolder(Type::VoidTy);
+ $$->push_back(TWA);
CHECK_FOR_ERROR
}
| DOTDOTDOT {
- ($$ = new std::list<PATypeHolder>())->push_back(Type::VoidTy);
+ $$ = new TypeWithAttrsList;
+ TypeWithAttrs TWA; TWA.Attrs = FunctionType::NoAttributeSet;
+ TWA.Ty = new PATypeHolder(Type::VoidTy);
+ $$->push_back(TWA);
CHECK_FOR_ERROR
}
| /*empty*/ {
+ $$ = new TypeWithAttrsList();
+ CHECK_FOR_ERROR
+ };
+
+// TypeList - Used for struct declarations and as a basis for function type
+// declaration type lists
+//
+TypeListI : Types {
$$ = new std::list<PATypeHolder>();
+ $$->push_back(*$1); delete $1;
+ CHECK_FOR_ERROR
+ }
+ | TypeListI ',' Types {
+ ($$=$1)->push_back(*$3); delete $3;
CHECK_FOR_ERROR
};
// ResolvedVal, ValueRef and ConstValueRef productions.
//
ConstVal: Types '[' ConstVector ']' { // Nonempty unsized arr
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
const ArrayType *ATy = dyn_cast<ArrayType>($1->get());
if (ATy == 0)
GEN_ERROR("Cannot make array constant with type: '" +
CHECK_FOR_ERROR
}
| Types '[' ']' {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
const ArrayType *ATy = dyn_cast<ArrayType>($1->get());
if (ATy == 0)
GEN_ERROR("Cannot make array constant with type: '" +
CHECK_FOR_ERROR
}
| Types 'c' STRINGCONSTANT {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
const ArrayType *ATy = dyn_cast<ArrayType>($1->get());
if (ATy == 0)
GEN_ERROR("Cannot make array constant with type: '" +
itostr((int)(EndStr-$3)) +
" when array has size " + itostr(NumElements) + "!");
std::vector<Constant*> Vals;
- if (ETy == Type::SByteTy) {
- for (signed char *C = (signed char *)$3; C != (signed char *)EndStr; ++C)
- Vals.push_back(ConstantInt::get(ETy, *C));
- } else if (ETy == Type::UByteTy) {
+ if (ETy == Type::Int8Ty) {
for (unsigned char *C = (unsigned char *)$3;
- C != (unsigned char*)EndStr; ++C)
- Vals.push_back(ConstantInt::get(ETy, *C));
+ C != (unsigned char*)EndStr; ++C)
+ Vals.push_back(ConstantInt::get(ETy, *C));
} else {
free($3);
GEN_ERROR("Cannot build string arrays of non byte sized elements!");
CHECK_FOR_ERROR
}
| Types '<' ConstVector '>' { // Nonempty unsized arr
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
const PackedType *PTy = dyn_cast<PackedType>($1->get());
if (PTy == 0)
GEN_ERROR("Cannot make packed constant with type: '" +
CHECK_FOR_ERROR
}
| Types '{' '}' {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
const StructType *STy = dyn_cast<StructType>($1->get());
if (STy == 0)
GEN_ERROR("Cannot make struct constant with type: '" +
CHECK_FOR_ERROR
}
| Types NULL_TOK {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
const PointerType *PTy = dyn_cast<PointerType>($1->get());
if (PTy == 0)
GEN_ERROR("Cannot make null pointer constant with type: '" +
CHECK_FOR_ERROR
}
| Types UNDEF {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
$$ = UndefValue::get($1->get());
delete $1;
CHECK_FOR_ERROR
}
| Types SymbolicValueRef {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
const PointerType *Ty = dyn_cast<PointerType>($1->get());
if (Ty == 0)
GEN_ERROR("Global const reference must be a pointer type!");
CHECK_FOR_ERROR
}
| Types ConstExpr {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
if ($1->get() != $2->getType())
GEN_ERROR("Mismatched types for constant expression!");
$$ = $2;
CHECK_FOR_ERROR
}
| Types ZEROINITIALIZER {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
const Type *Ty = $1->get();
if (isa<FunctionType>(Ty) || Ty == Type::LabelTy || isa<OpaqueType>(Ty))
GEN_ERROR("Cannot create a null initialized value of this type!");
delete $1;
CHECK_FOR_ERROR
}
- | SIntType ESINT64VAL { // integral constants
- if (!ConstantInt::isValueValidForType($1, $2))
- GEN_ERROR("Constant value doesn't fit in type!");
- $$ = ConstantInt::get($1, $2);
- CHECK_FOR_ERROR
- }
- | SIntType EUINT64VAL { // integral constants
- if (!ConstantInt::isValueValidForType($1, $2))
- GEN_ERROR("Constant value doesn't fit in type!");
- $$ = ConstantInt::get($1, $2);
- CHECK_FOR_ERROR
- }
- | UIntType EUINT64VAL { // integral constants
+ | IntType ESINT64VAL { // integral constants
if (!ConstantInt::isValueValidForType($1, $2))
GEN_ERROR("Constant value doesn't fit in type!");
$$ = ConstantInt::get($1, $2);
CHECK_FOR_ERROR
}
- | UIntType ESINT64VAL {
+ | IntType EUINT64VAL { // integral constants
if (!ConstantInt::isValueValidForType($1, $2))
GEN_ERROR("Constant value doesn't fit in type!");
$$ = ConstantInt::get($1, $2);
ConstExpr: CastOps '(' ConstVal TO Types ')' {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$5)->getDescription());
Constant *Val = $3;
const Type *Ty = $5->get();
if (!Val->getType()->isFirstClassType())
$$ = ConstantExpr::getFCmp($2, $4, $6);
}
| ShiftOps '(' ConstVal ',' ConstVal ')' {
- if ($5->getType() != Type::UByteTy)
- GEN_ERROR("Shift count for shift constant must be unsigned byte!");
+ if ($5->getType() != Type::Int8Ty)
+ GEN_ERROR("Shift count for shift constant must be i8 type!");
if (!$3->getType()->isInteger())
GEN_ERROR("Shift constant expression requires integer operand!");
CHECK_FOR_ERROR;
}
CHECK_FOR_ERROR
}
- | OptAssign TYPE TypesV {
+ | OptAssign TYPE Types {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
// Eagerly resolve types. This is not an optimization, this is a
// requirement that is due to the fact that we could have this:
//
delete $3;
CHECK_FOR_ERROR
}
+ | OptAssign TYPE VOID {
+ ResolveTypeTo($1, $3);
+
+ if (!setTypeName($3, $1) && !$1) {
+ CHECK_FOR_ERROR
+ // If this is a named type that is not a redefinition, add it to the slot
+ // table.
+ CurModule.Types.push_back($3);
+ }
+ CHECK_FOR_ERROR
+ }
| OptAssign GlobalType ConstVal { /* "Externally Visible" Linkage */
if ($3 == 0)
GEN_ERROR("Global value initializer is not a constant!");
CurGV = 0;
}
| OptAssign GVExternalLinkage GlobalType Types {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$4)->getDescription());
CurGV = ParseGlobalVariable($1, $2, $3, *$4, 0);
CHECK_FOR_ERROR
delete $4;
Name : VAR_ID | STRINGCONSTANT;
OptName : Name | /*empty*/ { $$ = 0; };
-ArgVal : Types OptName {
- if (*$1 == Type::VoidTy)
- GEN_ERROR("void typed arguments are invalid!");
- $$ = new std::pair<PATypeHolder*, char*>($1, $2);
- CHECK_FOR_ERROR
-};
-
-ArgListH : ArgListH ',' ArgVal {
+ArgListH : ArgListH ',' Types OptParamAttrs OptName {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
+ if (*$3 == Type::VoidTy)
+ GEN_ERROR("void typed arguments are invalid!");
+ ArgListEntry E; E.Attrs = $4; E.Ty = $3; E.Name = $5;
$$ = $1;
- $1->push_back(*$3);
- delete $3;
+ $1->push_back(E);
CHECK_FOR_ERROR
}
- | ArgVal {
- $$ = new std::vector<std::pair<PATypeHolder*,char*> >();
- $$->push_back(*$1);
- delete $1;
+ | Types OptParamAttrs OptName {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
+ if (*$1 == Type::VoidTy)
+ GEN_ERROR("void typed arguments are invalid!");
+ ArgListEntry E; E.Attrs = $2; E.Ty = $1; E.Name = $3;
+ $$ = new ArgListType;
+ $$->push_back(E);
CHECK_FOR_ERROR
};
}
| ArgListH ',' DOTDOTDOT {
$$ = $1;
- $$->push_back(std::pair<PATypeHolder*,
- char*>(new PATypeHolder(Type::VoidTy), 0));
+ struct ArgListEntry E;
+ E.Ty = new PATypeHolder(Type::VoidTy);
+ E.Name = 0;
+ E.Attrs = FunctionType::NoAttributeSet;
+ $$->push_back(E);
CHECK_FOR_ERROR
}
| DOTDOTDOT {
- $$ = new std::vector<std::pair<PATypeHolder*,char*> >();
- $$->push_back(std::make_pair(new PATypeHolder(Type::VoidTy), (char*)0));
+ $$ = new ArgListType;
+ struct ArgListEntry E;
+ E.Ty = new PATypeHolder(Type::VoidTy);
+ E.Name = 0;
+ E.Attrs = FunctionType::NoAttributeSet;
+ $$->push_back(E);
CHECK_FOR_ERROR
}
| /* empty */ {
CHECK_FOR_ERROR
};
-FunctionHeaderH : OptCallingConv TypesV Name '(' ArgList ')'
+FunctionHeaderH : OptCallingConv ResultType Name '(' ArgList ')'
OptSection OptAlign {
UnEscapeLexed($3);
std::string FunctionName($3);
free($3); // Free strdup'd memory!
- if (!(*$2)->isFirstClassType() && *$2 != Type::VoidTy)
- GEN_ERROR("LLVM functions cannot return aggregate types!");
-
std::vector<const Type*> ParamTypeList;
+ std::vector<FunctionType::ParameterAttributes> ParamAttrs;
+ ParamAttrs.push_back($2.Attrs);
if ($5) { // If there are arguments...
- for (std::vector<std::pair<PATypeHolder*,char*> >::iterator I = $5->begin();
- I != $5->end(); ++I)
- ParamTypeList.push_back(I->first->get());
+ for (ArgListType::iterator I = $5->begin(); I != $5->end(); ++I) {
+ const Type* Ty = I->Ty->get();
+ ParamTypeList.push_back(Ty);
+ if (Ty != Type::VoidTy)
+ ParamAttrs.push_back(I->Attrs);
+ }
}
bool isVarArg = ParamTypeList.size() && ParamTypeList.back() == Type::VoidTy;
if (isVarArg) ParamTypeList.pop_back();
- const FunctionType *FT = FunctionType::get(*$2, ParamTypeList, isVarArg);
+ FunctionType *FT = FunctionType::get(*$2.Ty, ParamTypeList, isVarArg,
+ ParamAttrs);
const PointerType *PFT = PointerType::get(FT);
- delete $2;
+ delete $2.Ty;
ValID ID;
if (!FunctionName.empty()) {
// Add all of the arguments we parsed to the function...
if ($5) { // Is null if empty...
if (isVarArg) { // Nuke the last entry
- assert($5->back().first->get() == Type::VoidTy && $5->back().second == 0&&
+ assert($5->back().Ty->get() == Type::VoidTy && $5->back().Name == 0&&
"Not a varargs marker!");
- delete $5->back().first;
+ delete $5->back().Ty;
$5->pop_back(); // Delete the last entry
}
Function::arg_iterator ArgIt = Fn->arg_begin();
- for (std::vector<std::pair<PATypeHolder*,char*> >::iterator I = $5->begin();
- I != $5->end(); ++I, ++ArgIt) {
- delete I->first; // Delete the typeholder...
-
- setValueName(ArgIt, I->second); // Insert arg into symtab...
+ unsigned Idx = 1;
+ for (ArgListType::iterator I = $5->begin(); I != $5->end(); ++I, ++ArgIt) {
+ delete I->Ty; // Delete the typeholder...
+ setValueName(ArgIt, I->Name); // Insert arg into symtab...
CHECK_FOR_ERROR
InsertValue(ArgIt);
+ Idx++;
}
delete $5; // We're now done with the argument list
BEGIN : BEGINTOK | '{'; // Allow BEGIN or '{' to start a function
-FunctionHeader : FunctionLinkage FunctionHeaderH BEGIN {
+FunctionHeader : FunctionDefineLinkage FunctionHeaderH BEGIN {
$$ = CurFun.CurrentFunction;
// Make sure that we keep track of the linkage type even if there was a
CHECK_FOR_ERROR
};
-FunctionProto : FnDeclareLinkage FunctionHeaderH {
+FunctionProto : FunctionDeclareLinkage FunctionHeaderH {
+ CurFun.CurrentFunction->setLinkage($1);
$$ = CurFun.CurrentFunction;
CurFun.FunctionDone();
CHECK_FOR_ERROR
// type immediately preceeds the value reference, and allows complex constant
// pool references (for things like: 'ret [2 x int] [ int 12, int 42]')
ResolvedVal : Types ValueRef {
- $$ = getVal(*$1, $2); delete $1;
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
+ $$ = getVal(*$1, $2);
+ delete $1;
CHECK_FOR_ERROR
- };
+ }
+ ;
BasicBlockList : BasicBlockList BasicBlock {
$$ = $1;
$$ = S;
CHECK_FOR_ERROR
}
- | INVOKE OptCallingConv TypesV ValueRef '(' ValueRefListE ')'
+ | INVOKE OptCallingConv ResultType ValueRef '(' ValueRefList ')'
TO LABEL ValueRef UNWIND LABEL ValueRef {
- const PointerType *PFTy;
- const FunctionType *Ty;
- if (!(PFTy = dyn_cast<PointerType>($3->get())) ||
+ // Handle the short syntax
+ const PointerType *PFTy = 0;
+ const FunctionType *Ty = 0;
+ if (!(PFTy = dyn_cast<PointerType>($3.Ty->get())) ||
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
std::vector<const Type*> ParamTypes;
- if ($6) {
- for (std::vector<Value*>::iterator I = $6->begin(), E = $6->end();
- I != E; ++I)
- ParamTypes.push_back((*I)->getType());
+ FunctionType::ParamAttrsList ParamAttrs;
+ ParamAttrs.push_back($3.Attrs);
+ for (ValueRefList::iterator I = $6->begin(), E = $6->end(); I != E; ++I) {
+ const Type *Ty = I->Val->getType();
+ if (Ty == Type::VoidTy)
+ GEN_ERROR("Short call syntax cannot be used with varargs");
+ ParamTypes.push_back(Ty);
+ ParamAttrs.push_back(I->Attrs);
}
- bool isVarArg = ParamTypes.size() && ParamTypes.back() == Type::VoidTy;
- if (isVarArg) ParamTypes.pop_back();
-
- Ty = FunctionType::get($3->get(), ParamTypes, isVarArg);
+ Ty = FunctionType::get($3.Ty->get(), ParamTypes, false, ParamAttrs);
PFTy = PointerType::get(Ty);
}
BasicBlock *Except = getBBVal($13);
CHECK_FOR_ERROR
- // Create the call node...
- if (!$6) { // Has no arguments?
- $$ = new InvokeInst(V, Normal, Except, std::vector<Value*>());
+ // Check the arguments
+ ValueList Args;
+ if ($6->empty()) { // Has no arguments?
+ // Make sure no arguments is a good thing!
+ if (Ty->getNumParams() != 0)
+ GEN_ERROR("No arguments passed to a function that "
+ "expects arguments!");
} else { // Has arguments?
// Loop through FunctionType's arguments and ensure they are specified
// correctly!
- //
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
- std::vector<Value*>::iterator ArgI = $6->begin(), ArgE = $6->end();
+ ValueRefList::iterator ArgI = $6->begin(), ArgE = $6->end();
- for (; ArgI != ArgE && I != E; ++ArgI, ++I)
- if ((*ArgI)->getType() != *I)
- GEN_ERROR("Parameter " +(*ArgI)->getName()+ " is not of type '" +
+ for (; ArgI != ArgE && I != E; ++ArgI, ++I) {
+ if (ArgI->Val->getType() != *I)
+ GEN_ERROR("Parameter " + ArgI->Val->getName()+ " is not of type '" +
(*I)->getDescription() + "'!");
+ Args.push_back(ArgI->Val);
+ }
- if (I != E || (ArgI != ArgE && !Ty->isVarArg()))
+ if (Ty->isVarArg()) {
+ if (I == E)
+ for (; ArgI != ArgE; ++ArgI)
+ Args.push_back(ArgI->Val); // push the remaining varargs
+ } else if (I != E || ArgI != ArgE)
GEN_ERROR("Invalid number of parameters detected!");
-
- $$ = new InvokeInst(V, Normal, Except, *$6);
}
- cast<InvokeInst>($$)->setCallingConv($2);
-
- delete $3;
+
+ // Create the InvokeInst
+ InvokeInst *II = new InvokeInst(V, Normal, Except, Args);
+ II->setCallingConv($2);
+ $$ = II;
delete $6;
CHECK_FOR_ERROR
}
};
PHIList : Types '[' ValueRef ',' ValueRef ']' { // Used for PHI nodes
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
$$ = new std::list<std::pair<Value*, BasicBlock*> >();
Value* tmpVal = getVal(*$1, $3);
CHECK_FOR_ERROR
};
-ValueRefList : ResolvedVal { // Used for call statements, and memory insts...
- $$ = new std::vector<Value*>();
- $$->push_back($1);
+ValueRefList : Types ValueRef OptParamAttrs {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$1)->getDescription());
+ // Used for call and invoke instructions
+ $$ = new ValueRefList();
+ ValueRefListEntry E; E.Attrs = $3; E.Val = getVal($1->get(), $2);
+ $$->push_back(E);
}
- | ValueRefList ',' ResolvedVal {
+ | ValueRefList ',' Types ValueRef OptParamAttrs {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
$$ = $1;
- $1->push_back($3);
+ ValueRefListEntry E; E.Attrs = $5; E.Val = getVal($3->get(), $4);
+ $$->push_back(E);
CHECK_FOR_ERROR
- };
+ }
+ | /*empty*/ { $$ = new ValueRefList(); };
-// ValueRefListE - Just like ValueRefList, except that it may also be empty!
-ValueRefListE : ValueRefList | /*empty*/ { $$ = 0; };
+IndexList // Used for gep instructions and constant expressions
+ : /*empty*/ { $$ = new std::vector<Value*>(); };
+ | IndexList ',' ResolvedVal {
+ $$ = $1;
+ $$->push_back($3);
+ CHECK_FOR_ERROR
+ }
OptTailCall : TAIL CALL {
$$ = true;
};
InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
if (!(*$2)->isInteger() && !(*$2)->isFloatingPoint() &&
!isa<PackedType>((*$2).get()))
GEN_ERROR(
delete $2;
}
| LogicalOps Types ValueRef ',' ValueRef {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
if (!(*$2)->isIntegral()) {
if (!isa<PackedType>($2->get()) ||
!cast<PackedType>($2->get())->getElementType()->isIntegral())
delete $2;
}
| ICMP IPredicates Types ValueRef ',' ValueRef {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
if (isa<PackedType>((*$3).get()))
GEN_ERROR("Packed types not supported by icmp instruction");
Value* tmpVal1 = getVal(*$3, $4);
GEN_ERROR("icmp operator returned null!");
}
| FCMP FPredicates Types ValueRef ',' ValueRef {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
if (isa<PackedType>((*$3).get()))
GEN_ERROR("Packed types not supported by fcmp instruction");
Value* tmpVal1 = getVal(*$3, $4);
CHECK_FOR_ERROR
}
| ShiftOps ResolvedVal ',' ResolvedVal {
- if ($4->getType() != Type::UByteTy)
- GEN_ERROR("Shift amount must be ubyte!");
+ if ($4->getType() != Type::Int8Ty)
+ GEN_ERROR("Shift amount must be i8 type!");
if (!$2->getType()->isInteger())
GEN_ERROR("Shift constant expression requires integer operand!");
CHECK_FOR_ERROR;
CHECK_FOR_ERROR
}
| CastOps ResolvedVal TO Types {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$4)->getDescription());
Value* Val = $2;
const Type* Ty = $4->get();
if (!Val->getType()->isFirstClassType())
Val->getType()->getDescription() + "'!");
if (!Ty->isFirstClassType())
GEN_ERROR("cast to a non-primitive type: '" + Ty->getDescription() +"'!");
- $$ = CastInst::create($1, $2, $4->get());
+ $$ = CastInst::create($1, Val, $4->get());
delete $4;
}
| SELECT ResolvedVal ',' ResolvedVal ',' ResolvedVal {
CHECK_FOR_ERROR
}
| VAARG ResolvedVal ',' Types {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$4)->getDescription());
$$ = new VAArgInst($2, *$4);
delete $4;
CHECK_FOR_ERROR
delete $2; // Free the list...
CHECK_FOR_ERROR
}
- | OptTailCall OptCallingConv TypesV ValueRef '(' ValueRefListE ')' {
+ | OptTailCall OptCallingConv ResultType ValueRef '(' ValueRefList ')' {
+
+ // Handle the short syntax
const PointerType *PFTy = 0;
const FunctionType *Ty = 0;
-
- if (!(PFTy = dyn_cast<PointerType>($3->get())) ||
+ if (!(PFTy = dyn_cast<PointerType>($3.Ty->get())) ||
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
std::vector<const Type*> ParamTypes;
- if ($6) {
- for (std::vector<Value*>::iterator I = $6->begin(), E = $6->end();
- I != E; ++I)
- ParamTypes.push_back((*I)->getType());
+ FunctionType::ParamAttrsList ParamAttrs;
+ ParamAttrs.push_back($3.Attrs);
+ for (ValueRefList::iterator I = $6->begin(), E = $6->end(); I != E; ++I) {
+ const Type *Ty = I->Val->getType();
+ if (Ty == Type::VoidTy)
+ GEN_ERROR("Short call syntax cannot be used with varargs");
+ ParamTypes.push_back(Ty);
+ ParamAttrs.push_back(I->Attrs);
}
- bool isVarArg = ParamTypes.size() && ParamTypes.back() == Type::VoidTy;
- if (isVarArg) ParamTypes.pop_back();
-
- if (!(*$3)->isFirstClassType() && *$3 != Type::VoidTy)
- GEN_ERROR("LLVM functions cannot return aggregate types!");
-
- Ty = FunctionType::get($3->get(), ParamTypes, isVarArg);
+ Ty = FunctionType::get($3.Ty->get(), ParamTypes, false, ParamAttrs);
PFTy = PointerType::get(Ty);
}
Value *V = getVal(PFTy, $4); // Get the function we're calling...
CHECK_FOR_ERROR
- // Create the call node...
- if (!$6) { // Has no arguments?
+ // Check the arguments
+ ValueList Args;
+ if ($6->empty()) { // Has no arguments?
// Make sure no arguments is a good thing!
if (Ty->getNumParams() != 0)
GEN_ERROR("No arguments passed to a function that "
"expects arguments!");
-
- $$ = new CallInst(V, std::vector<Value*>());
} else { // Has arguments?
// Loop through FunctionType's arguments and ensure they are specified
// correctly!
//
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
- std::vector<Value*>::iterator ArgI = $6->begin(), ArgE = $6->end();
+ ValueRefList::iterator ArgI = $6->begin(), ArgE = $6->end();
- for (; ArgI != ArgE && I != E; ++ArgI, ++I)
- if ((*ArgI)->getType() != *I)
- GEN_ERROR("Parameter " +(*ArgI)->getName()+ " is not of type '" +
+ for (; ArgI != ArgE && I != E; ++ArgI, ++I) {
+ if (ArgI->Val->getType() != *I)
+ GEN_ERROR("Parameter " + ArgI->Val->getName()+ " is not of type '" +
(*I)->getDescription() + "'!");
-
- if (I != E || (ArgI != ArgE && !Ty->isVarArg()))
+ Args.push_back(ArgI->Val);
+ }
+ if (Ty->isVarArg()) {
+ if (I == E)
+ for (; ArgI != ArgE; ++ArgI)
+ Args.push_back(ArgI->Val); // push the remaining varargs
+ } else if (I != E || ArgI != ArgE)
GEN_ERROR("Invalid number of parameters detected!");
-
- $$ = new CallInst(V, *$6);
}
- cast<CallInst>($$)->setTailCall($1);
- cast<CallInst>($$)->setCallingConv($2);
- delete $3;
+ // Create the call node
+ CallInst *CI = new CallInst(V, Args);
+ CI->setTailCall($1);
+ CI->setCallingConv($2);
+ $$ = CI;
delete $6;
CHECK_FOR_ERROR
}
CHECK_FOR_ERROR
};
-
-// IndexList - List of indices for GEP based instructions...
-IndexList : ',' ValueRefList {
- $$ = $2;
- CHECK_FOR_ERROR
- } | /* empty */ {
- $$ = new std::vector<Value*>();
- CHECK_FOR_ERROR
- };
-
OptVolatile : VOLATILE {
$$ = true;
CHECK_FOR_ERROR
MemoryInst : MALLOC Types OptCAlign {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
$$ = new MallocInst(*$2, 0, $3);
delete $2;
CHECK_FOR_ERROR
}
- | MALLOC Types ',' UINT ValueRef OptCAlign {
+ | MALLOC Types ',' INT32 ValueRef OptCAlign {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
Value* tmpVal = getVal($4, $5);
CHECK_FOR_ERROR
$$ = new MallocInst(*$2, tmpVal, $6);
delete $2;
}
| ALLOCA Types OptCAlign {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
$$ = new AllocaInst(*$2, 0, $3);
delete $2;
CHECK_FOR_ERROR
}
- | ALLOCA Types ',' UINT ValueRef OptCAlign {
+ | ALLOCA Types ',' INT32 ValueRef OptCAlign {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
Value* tmpVal = getVal($4, $5);
CHECK_FOR_ERROR
$$ = new AllocaInst(*$2, tmpVal, $6);
}
| OptVolatile LOAD Types ValueRef {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$3)->getDescription());
if (!isa<PointerType>($3->get()))
GEN_ERROR("Can't load from nonpointer type: " +
(*$3)->getDescription());
delete $3;
}
| OptVolatile STORE ResolvedVal ',' Types ValueRef {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$5)->getDescription());
const PointerType *PT = dyn_cast<PointerType>($5->get());
if (!PT)
GEN_ERROR("Can't store to a nonpointer type: " +
delete $5;
}
| GETELEMENTPTR Types ValueRef IndexList {
+ if (!UpRefs.empty())
+ GEN_ERROR("Invalid upreference in type: " + (*$2)->getDescription());
if (!isa<PointerType>($2->get()))
GEN_ERROR("getelementptr insn requires pointer operand!");
%%
+// common code from the two 'RunVMAsmParser' functions
+static Module* RunParser(Module * M) {
+
+ llvmAsmlineno = 1; // Reset the current line number...
+ CurModule.CurrentModule = M;
+#if YYDEBUG
+ yydebug = Debug;
+#endif
+
+ // Check to make sure the parser succeeded
+ if (yyparse()) {
+ if (ParserResult)
+ delete ParserResult;
+ return 0;
+ }
+
+ // Check to make sure that parsing produced a result
+ if (!ParserResult)
+ return 0;
+
+ // Reset ParserResult variable while saving its value for the result.
+ Module *Result = ParserResult;
+ ParserResult = 0;
+
+ return Result;
+}
+
void llvm::GenerateError(const std::string &message, int LineNo) {
if (LineNo == -1) LineNo = llvmAsmlineno;
// TODO: column number in exception