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parse new calling conv specifiers

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llvm-svn: 21748
This commit is contained in:
Chris Lattner 2005-05-06 20:27:19 +00:00
parent de5b492521
commit 562734e130
2 changed files with 65 additions and 43 deletions
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5
lib/AsmParser/Lexer.l
View File

@ -204,6 +204,11 @@ little { return LITTLE; }
big { return BIG; }
volatile { return VOLATILE; }
cc { return CC_TOK; }
ccc { return CCC_TOK; }
fastcc { return FASTCC_TOK; }
coldcc { return COLDCC_TOK; }
void { llvmAsmlval.PrimType = Type::VoidTy ; return VOID; }
bool { llvmAsmlval.PrimType = Type::BoolTy ; return BOOL; }
sbyte { llvmAsmlval.PrimType = Type::SByteTy ; return SBYTE; }

103
lib/AsmParser/llvmAsmParser.y
View File

@ -13,6 +13,7 @@
%{
#include "ParserInternals.h"
#include "llvm/CallingConv.h"
#include "llvm/Instructions.h"
#include "llvm/Module.h"
#include "llvm/SymbolTable.h"
@ -831,6 +832,8 @@ Module *llvm::RunVMAsmParser(const std::string &Filename, FILE *F) {
%token TO DOTDOTDOT NULL_TOK UNDEF CONST INTERNAL LINKONCE WEAK APPENDING
%token OPAQUE NOT EXTERNAL TARGET TRIPLE ENDIAN POINTERSIZE LITTLE BIG
%token DEPLIBS CALL TAIL
%token CC_TOK CCC_TOK FASTCC_TOK COLDCC_TOK
%type <UIntVal> OptCallingConv
// Basic Block Terminating Operators
%token <TermOpVal> RET BR SWITCH INVOKE UNWIND UNREACHABLE
@ -901,6 +904,16 @@ OptLinkage : INTERNAL { $$ = GlobalValue::InternalLinkage; } |
APPENDING { $$ = GlobalValue::AppendingLinkage; } |
/*empty*/ { $$ = GlobalValue::ExternalLinkage; };
OptCallingConv : /*empty*/ { $$ = CallingConv::C; } |
CCC_TOK { $$ = CallingConv::C; } |
FASTCC_TOK { $$ = CallingConv::Fast; } |
COLDCC_TOK { $$ = CallingConv::Cold; } |
CC_TOK EUINT64VAL {
if ((unsigned)$2 != $2)
ThrowException("Calling conv too large!");
$$ = $2;
};
//===----------------------------------------------------------------------===//
// Types includes all predefined types... except void, because it can only be
// used in specific contexts (function returning void for example). To have
@ -1499,27 +1512,27 @@ ArgList : ArgListH {
$$ = 0;
};
FunctionHeaderH : TypesV Name '(' ArgList ')' {
UnEscapeLexed($2);
std::string FunctionName($2);
free($2); // Free strdup'd memory!
FunctionHeaderH : OptCallingConv TypesV Name '(' ArgList ')' {
UnEscapeLexed($3);
std::string FunctionName($3);
free($3); // Free strdup'd memory!
if (!(*$1)->isFirstClassType() && *$1 != Type::VoidTy)
if (!(*$2)->isFirstClassType() && *$2 != Type::VoidTy)
ThrowException("LLVM functions cannot return aggregate types!");
std::vector<const Type*> ParamTypeList;
if ($4) { // If there are arguments...
for (std::vector<std::pair<PATypeHolder*,char*> >::iterator I = $4->begin();
I != $4->end(); ++I)
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());
}
bool isVarArg = ParamTypeList.size() && ParamTypeList.back() == Type::VoidTy;
if (isVarArg) ParamTypeList.pop_back();
const FunctionType *FT = FunctionType::get(*$1, ParamTypeList, isVarArg);
const FunctionType *FT = FunctionType::get(*$2, ParamTypeList, isVarArg);
const PointerType *PFT = PointerType::get(FT);
delete $1;
delete $2;
ValID ID;
if (!FunctionName.empty()) {
@ -1556,25 +1569,26 @@ FunctionHeaderH : TypesV Name '(' ArgList ')' {
}
CurFun.FunctionStart(Fn);
Fn->setCallingConv($1);
// Add all of the arguments we parsed to the function...
if ($4) { // Is null if empty...
if ($5) { // Is null if empty...
if (isVarArg) { // Nuke the last entry
assert($4->back().first->get() == Type::VoidTy && $4->back().second == 0&&
assert($5->back().first->get() == Type::VoidTy && $5->back().second == 0&&
"Not a varargs marker!");
delete $4->back().first;
$4->pop_back(); // Delete the last entry
delete $5->back().first;
$5->pop_back(); // Delete the last entry
}
Function::arg_iterator ArgIt = Fn->arg_begin();
for (std::vector<std::pair<PATypeHolder*, char*> >::iterator I =$4->begin();
I != $4->end(); ++I, ++ArgIt) {
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...
InsertValue(ArgIt);
}
delete $4; // We're now done with the argument list
delete $5; // We're now done with the argument list
}
};
@ -1748,17 +1762,17 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
SwitchInst *S = new SwitchInst(getVal($2, $3), getBBVal($6), 0);
$$ = S;
}
| INVOKE TypesV ValueRef '(' ValueRefListE ')' TO LABEL ValueRef
UNWIND LABEL ValueRef {
| INVOKE OptCallingConv TypesV ValueRef '(' ValueRefListE ')'
TO LABEL ValueRef UNWIND LABEL ValueRef {
const PointerType *PFTy;
const FunctionType *Ty;
if (!(PFTy = dyn_cast<PointerType>($2->get())) ||
if (!(PFTy = dyn_cast<PointerType>($3->get())) ||
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
std::vector<const Type*> ParamTypes;
if ($5) {
for (std::vector<Value*>::iterator I = $5->begin(), E = $5->end();
if ($6) {
for (std::vector<Value*>::iterator I = $6->begin(), E = $6->end();
I != E; ++I)
ParamTypes.push_back((*I)->getType());
}
@ -1766,17 +1780,17 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
bool isVarArg = ParamTypes.size() && ParamTypes.back() == Type::VoidTy;
if (isVarArg) ParamTypes.pop_back();
Ty = FunctionType::get($2->get(), ParamTypes, isVarArg);
Ty = FunctionType::get($3->get(), ParamTypes, isVarArg);
PFTy = PointerType::get(Ty);
}
Value *V = getVal(PFTy, $3); // Get the function we're calling...
Value *V = getVal(PFTy, $4); // Get the function we're calling...
BasicBlock *Normal = getBBVal($9);
BasicBlock *Except = getBBVal($12);
BasicBlock *Normal = getBBVal($10);
BasicBlock *Except = getBBVal($13);
// Create the call node...
if (!$5) { // Has no arguments?
if (!$6) { // Has no arguments?
$$ = new InvokeInst(V, Normal, Except, std::vector<Value*>());
} else { // Has arguments?
// Loop through FunctionType's arguments and ensure they are specified
@ -1784,7 +1798,7 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
//
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
std::vector<Value*>::iterator ArgI = $5->begin(), ArgE = $5->end();
std::vector<Value*>::iterator ArgI = $6->begin(), ArgE = $6->end();
for (; ArgI != ArgE && I != E; ++ArgI, ++I)
if ((*ArgI)->getType() != *I)
@ -1794,10 +1808,12 @@ BBTerminatorInst : RET ResolvedVal { // Return with a result...
if (I != E || (ArgI != ArgE && !Ty->isVarArg()))
ThrowException("Invalid number of parameters detected!");
$$ = new InvokeInst(V, Normal, Except, *$5);
$$ = new InvokeInst(V, Normal, Except, *$6);
}
delete $2;
delete $5;
cast<InvokeInst>($$)->setCallingConv($2);
delete $3;
delete $6;
}
| UNWIND {
$$ = new UnwindInst();
@ -1953,16 +1969,16 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
}
delete $2; // Free the list...
}
| OptTailCall TypesV ValueRef '(' ValueRefListE ')' {
| OptTailCall OptCallingConv TypesV ValueRef '(' ValueRefListE ')' {
const PointerType *PFTy;
const FunctionType *Ty;
if (!(PFTy = dyn_cast<PointerType>($2->get())) ||
if (!(PFTy = dyn_cast<PointerType>($3->get())) ||
!(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) {
// Pull out the types of all of the arguments...
std::vector<const Type*> ParamTypes;
if ($5) {
for (std::vector<Value*>::iterator I = $5->begin(), E = $5->end();
if ($6) {
for (std::vector<Value*>::iterator I = $6->begin(), E = $6->end();
I != E; ++I)
ParamTypes.push_back((*I)->getType());
}
@ -1970,17 +1986,17 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
bool isVarArg = ParamTypes.size() && ParamTypes.back() == Type::VoidTy;
if (isVarArg) ParamTypes.pop_back();
if (!(*$2)->isFirstClassType() && *$2 != Type::VoidTy)
if (!(*$3)->isFirstClassType() && *$3 != Type::VoidTy)
ThrowException("LLVM functions cannot return aggregate types!");
Ty = FunctionType::get($2->get(), ParamTypes, isVarArg);
Ty = FunctionType::get($3->get(), ParamTypes, isVarArg);
PFTy = PointerType::get(Ty);
}
Value *V = getVal(PFTy, $3); // Get the function we're calling...
Value *V = getVal(PFTy, $4); // Get the function we're calling...
// Create the call node...
if (!$5) { // Has no arguments?
if (!$6) { // Has no arguments?
// Make sure no arguments is a good thing!
if (Ty->getNumParams() != 0)
ThrowException("No arguments passed to a function that "
@ -1993,7 +2009,7 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
//
FunctionType::param_iterator I = Ty->param_begin();
FunctionType::param_iterator E = Ty->param_end();
std::vector<Value*>::iterator ArgI = $5->begin(), ArgE = $5->end();
std::vector<Value*>::iterator ArgI = $6->begin(), ArgE = $6->end();
for (; ArgI != ArgE && I != E; ++ArgI, ++I)
if ((*ArgI)->getType() != *I)
@ -2003,11 +2019,12 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
if (I != E || (ArgI != ArgE && !Ty->isVarArg()))
ThrowException("Invalid number of parameters detected!");
$$ = new CallInst(V, *$5);
$$ = new CallInst(V, *$6);
}
cast<CallInst>($$)->setTailCall($1);
delete $2;
delete $5;
cast<CallInst>($$)->setCallingConv($2);
delete $3;
delete $6;
}
| MemoryInst {
$$ = $1;