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Revert the premature portion of the last commit. 

llvm-svn: 36542
This commit is contained in:
Reid Spencer 2007-04-28 16:06:50 +00:00
parent daf358bbff
commit 7851765b0a
1 changed files with 76 additions and 62 deletions
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136
llvm/lib/AsmParser/llvmAsmParser.y
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@ -139,17 +139,13 @@ static struct PerModuleInfo {
// GetForwardRefForGlobal - Check to see if there is a forward reference
// for this global. If so, remove it from the GlobalRefs map and return it.
// If not, just return null.
GlobalValue *GetForwardRefForGlobal(const PointerType *PTy, ParamAttrsList *PAL,
ValID ID) {
GlobalValue *GetForwardRefForGlobal(const PointerType *PTy, ValID ID) {
// Check to see if there is a forward reference to this global variable...
// if there is, eliminate it and patch the reference to use the new def'n.
GlobalRefsType::iterator I = GlobalRefs.find(std::make_pair(PTy, ID));
GlobalValue *Ret = 0;
if (I != GlobalRefs.end()) {
Ret = I->second;
if (PAL && isa<Function>(Ret))
Ret = cast<Function>(Ret)->getParamAttrs() == PAL ? Ret : 0;
if (Ret)
GlobalRefs.erase(I);
}
return Ret;
@ -748,7 +744,7 @@ ParseGlobalVariable(char *NameStr,
ID = ValID::createGlobalID(CurModule.Values.size());
}
if (GlobalValue *FWGV = CurModule.GetForwardRefForGlobal(PTy, 0, ID)) {
if (GlobalValue *FWGV = CurModule.GetForwardRefForGlobal(PTy, ID)) {
// Move the global to the end of the list, from whereever it was
// previously inserted.
GlobalVariable *GV = cast<GlobalVariable>(FWGV);
@ -1328,35 +1324,62 @@ Types
UR_OUT("New Upreference!\n");
CHECK_FOR_ERROR
}
| Types '(' ArgTypeListI ')' {
| Types '(' ArgTypeListI ')' OptFuncAttrs {
std::vector<const Type*> Params;
ParamAttrsVector Attrs;
if ($5 != ParamAttr::None) {
ParamAttrsWithIndex X; X.index = 0; X.attrs = $5;
Attrs.push_back(X);
}
unsigned index = 1;
TypeWithAttrsList::iterator I = $3->begin(), E = $3->end();
for (; I != E; ++I, ++index) {
const Type *Ty = I->Ty->get();
Params.push_back(Ty);
if (Ty != Type::VoidTy)
if (I->Attrs != ParamAttr::None) {
ParamAttrsWithIndex X; X.index = index; X.attrs = I->Attrs;
Attrs.push_back(X);
}
}
bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
if (isVarArg) Params.pop_back();
FunctionType *FT = FunctionType::get(*$1, Params, isVarArg);
ParamAttrsList *ActualAttrs = 0;
if (!Attrs.empty())
ActualAttrs = ParamAttrsList::get(Attrs);
FunctionType *FT = FunctionType::get(*$1, Params, isVarArg, ActualAttrs);
delete $3; // Delete the argument list
delete $1; // Delete the return type handle
$$ = new PATypeHolder(HandleUpRefs(FT));
CHECK_FOR_ERROR
}
| VOID '(' ArgTypeListI ')' {
| VOID '(' ArgTypeListI ')' OptFuncAttrs {
std::vector<const Type*> Params;
ParamAttrsVector Attrs;
if ($5 != ParamAttr::None) {
ParamAttrsWithIndex X; X.index = 0; X.attrs = $5;
Attrs.push_back(X);
}
TypeWithAttrsList::iterator I = $3->begin(), E = $3->end();
unsigned index = 1;
for ( ; I != E; ++I, ++index) {
const Type* Ty = I->Ty->get();
Params.push_back(Ty);
if (Ty != Type::VoidTy)
if (I->Attrs != ParamAttr::None) {
ParamAttrsWithIndex X; X.index = index; X.attrs = I->Attrs;
Attrs.push_back(X);
}
}
bool isVarArg = Params.size() && Params.back() == Type::VoidTy;
if (isVarArg) Params.pop_back();
FunctionType *FT = FunctionType::get($1, Params, isVarArg);
ParamAttrsList *ActualAttrs = 0;
if (!Attrs.empty())
ActualAttrs = ParamAttrsList::get(Attrs);
FunctionType *FT = FunctionType::get($1, Params, isVarArg, ActualAttrs);
delete $3; // Delete the argument list
$$ = new PATypeHolder(HandleUpRefs(FT));
CHECK_FOR_ERROR
@ -1410,9 +1433,9 @@ Types
;
ArgType
: Types {
: Types OptParamAttrs {
$$.Ty = $1;
$$.Attrs = ParamAttr::None;
$$.Attrs = $2;
}
;
@ -2217,7 +2240,7 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
if (!Attrs.empty())
PAL = ParamAttrsList::get(Attrs);
FunctionType *FT = FunctionType::get(*$2, ParamTypeList, isVarArg);
FunctionType *FT = FunctionType::get(*$2, ParamTypeList, isVarArg, PAL);
const PointerType *PFT = PointerType::get(FT);
delete $2;
@ -2230,7 +2253,7 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
Function *Fn = 0;
// See if this function was forward referenced. If so, recycle the object.
if (GlobalValue *FWRef = CurModule.GetForwardRefForGlobal(PFT, PAL, ID)) {
if (GlobalValue *FWRef = CurModule.GetForwardRefForGlobal(PFT, ID)) {
// Move the function to the end of the list, from whereever it was
// previously inserted.
Fn = cast<Function>(FWRef);
@ -2238,7 +2261,7 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
CurModule.CurrentModule->getFunctionList().push_back(Fn);
} else if (!FunctionName.empty() && // Merge with an earlier prototype?
(Fn = CurModule.CurrentModule->getFunction(FunctionName))) {
if (Fn->getFunctionType() != FT || PAL != Fn->getParamAttrs()) {
if (Fn->getFunctionType() != FT) {
// The existing function doesn't have the same type. This is an overload
// error.
GEN_ERROR("Overload of function '" + FunctionName + "' not permitted.");
@ -2255,7 +2278,6 @@ FunctionHeaderH : OptCallingConv ResultTypes GlobalName '(' ArgList ')'
} else { // Not already defined?
Fn = new Function(FT, GlobalValue::ExternalWeakLinkage, FunctionName,
CurModule.CurrentModule);
Fn->setParamAttrs(PAL);
InsertValue(Fn, CurModule.Values);
}
@ -2549,14 +2571,28 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
std::vector<const Type*> ParamTypes;
ParamAttrsVector Attrs;
if ($8 != ParamAttr::None) {
ParamAttrsWithIndex PAWI; PAWI.index = 0; PAWI.attrs = 8;
Attrs.push_back(PAWI);
}
ValueRefList::iterator I = $6->begin(), E = $6->end();
for (; I != E; ++I) {
unsigned index = 1;
for (; I != E; ++I, ++index) {
const Type *Ty = I->Val->getType();
if (Ty == Type::VoidTy)
GEN_ERROR("Short call syntax cannot be used with varargs");
ParamTypes.push_back(Ty);
if (I->Attrs != ParamAttr::None) {
ParamAttrsWithIndex PAWI; PAWI.index = index; PAWI.attrs = I->Attrs;
Attrs.push_back(PAWI);
}
Ty = FunctionType::get($3->get(), ParamTypes, false);
}
ParamAttrsList *PAL = 0;
if (!Attrs.empty())
PAL = ParamAttrsList::get(Attrs);
Ty = FunctionType::get($3->get(), ParamTypes, false, PAL);
PFTy = PointerType::get(Ty);
}
@ -2569,12 +2605,6 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
BasicBlock *Except = getBBVal($14);
CHECK_FOR_ERROR
ParamAttrsVector Attrs;
if ($8 != ParamAttr::None) {
ParamAttrsWithIndex PAWI; PAWI.index = 0; PAWI.attrs = 8;
Attrs.push_back(PAWI);
}
// Check the arguments
ValueList Args;
if ($6->empty()) { // Has no arguments?
@ -2588,16 +2618,12 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
ValueRefList::iterator ArgI = $6->begin(), ArgE = $6->end();
unsigned index = 1;
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 (ArgI->Attrs != ParamAttr::None) {
ParamAttrsWithIndex PAWI; PAWI.index = index; PAWI.attrs = ArgI->Attrs;
Attrs.push_back(PAWI);
}
}
if (Ty->isVarArg()) {
@ -2608,17 +2634,9 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
GEN_ERROR("Invalid number of parameters detected");
}
ParamAttrsList *PAL = 0;
if (!Attrs.empty())
PAL = ParamAttrsList::get(Attrs);
if (isa<Function>(V))
if (PAL != cast<Function>(V)->getParamAttrs())
GEN_ERROR("Invalid parameter attributes for function invoked");
// Create the InvokeInst
InvokeInst *II = new InvokeInst(V, Normal, Except, &Args[0], Args.size());
II->setCallingConv($2);
II->setParamAttrs(PAL);
$$ = II;
delete $6;
CHECK_FOR_ERROR
@ -2863,14 +2881,29 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
std::vector<const Type*> ParamTypes;
ParamAttrsVector Attrs;
if ($8 != ParamAttr::None) {
ParamAttrsWithIndex PAWI; PAWI.index = 0; PAWI.attrs = $8;
Attrs.push_back(PAWI);
}
unsigned index = 1;
ValueRefList::iterator I = $6->begin(), E = $6->end();
for (; I != E; ++I) {
for (; I != E; ++I, ++index) {
const Type *Ty = I->Val->getType();
if (Ty == Type::VoidTy)
GEN_ERROR("Short call syntax cannot be used with varargs");
ParamTypes.push_back(Ty);
if (I->Attrs != ParamAttr::None) {
ParamAttrsWithIndex PAWI; PAWI.index = index; PAWI.attrs = I->Attrs;
Attrs.push_back(PAWI);
}
Ty = FunctionType::get($3->get(), ParamTypes, false);
}
ParamAttrsList *PAL = 0;
if (!Attrs.empty())
PAL = ParamAttrsList::get(Attrs);
Ty = FunctionType::get($3->get(), ParamTypes, false, PAL);
PFTy = PointerType::get(Ty);
}
@ -2886,12 +2919,6 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
theF->getName() + "'");
}
// Set up the ParamAttrs for the function
ParamAttrsVector Attrs;
if ($8 != ParamAttr::None) {
ParamAttrsWithIndex PAWI; PAWI.index = 0; PAWI.attrs = $8;
Attrs.push_back(PAWI);
}
// Check the arguments
ValueList Args;
if ($6->empty()) { // Has no arguments?
@ -2901,20 +2928,17 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
"expects arguments");
} else { // Has arguments?
// Loop through FunctionType's arguments and ensure they are specified
// correctly. Also, gather any parameter attributes.
// correctly!
//
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
ValueRefList::iterator ArgI = $6->begin(), ArgE = $6->end();
unsigned index = 1;
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 (ArgI->Attrs != ParamAttr::None) {
ParamAttrsWithIndex PAWI; PAWI.index = index; PAWI.attrs = ArgI->Attrs;
Attrs.push_back(PAWI);
}
}
if (Ty->isVarArg()) {
if (I == E)
@ -2923,20 +2947,10 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
} else if (I != E || ArgI != ArgE)
GEN_ERROR("Invalid number of parameters detected");
}
// Finish off the ParamAttrs and check them
ParamAttrsList *PAL = 0;
if (!Attrs.empty())
PAL = ParamAttrsList::get(Attrs);
if (isa<Function>(V))
if (PAL != cast<Function>(V)->getParamAttrs())
GEN_ERROR("Invalid parameter attributes for function called");
// Create the call node
CallInst *CI = new CallInst(V, &Args[0], Args.size());
CI->setTailCall($1);
CI->setCallingConv($2);
CI->setParamAttrs(PAL);
$$ = CI;
delete $6;
delete $3;