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For PR1086: 

Parameter attributes do have to be specially handled in the CBE. Implement
their handling.

llvm-svn: 32976
This commit is contained in:
Reid Spencer 2007-01-07 03:24:48 +00:00
parent 783c1c47a5
commit df7c61da7e
1 changed files with 54 additions and 30 deletions
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84
llvm/lib/Target/CBackend/Writer.cpp
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@ -114,7 +114,8 @@ namespace {
return false;
}
std::ostream &printType(std::ostream &Out, const Type *Ty,
std::ostream &printType(std::ostream &Out, const Type *Ty,
bool isSigned = true,
const std::string &VariableName = "",
bool IgnoreName = false);
std::ostream &printPrimitiveType(std::ostream &Out, const Type *Ty,
@ -342,10 +343,12 @@ void CWriter::printStructReturnPointerFunctionType(std::ostream &Out,
FunctionType::param_iterator I = FTy->param_begin(), E = FTy->param_end();
const Type *RetTy = cast<PointerType>(I->get())->getElementType();
unsigned Idx = 1;
for (++I; I != E; ++I) {
if (PrintedType)
FunctionInnards << ", ";
printType(FunctionInnards, *I, "");
printType(FunctionInnards, *I,
/*isSigned=*/FTy->paramHasAttr(Idx, FunctionType::SExtAttribute), "");
PrintedType = true;
}
if (FTy->isVarArg()) {
@ -356,7 +359,8 @@ void CWriter::printStructReturnPointerFunctionType(std::ostream &Out,
}
FunctionInnards << ')';
std::string tstr = FunctionInnards.str();
printType(Out, RetTy, tstr);
printType(Out, RetTy,
/*isSigned=*/FTy->paramHasAttr(0, FunctionType::SExtAttribute), tstr);
}
std::ostream &
@ -386,13 +390,13 @@ CWriter::printPrimitiveType(std::ostream &Out, const Type *Ty, bool isSigned,
// declaration.
//
std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
const std::string &NameSoFar,
bool isSigned, const std::string &NameSoFar,
bool IgnoreName) {
if (Ty->isPrimitiveType()) {
// FIXME:Signedness. When integer types are signless, this should just
// always pass "false" for the sign of the primitive type. The instructions
// will figure out how the value is to be interpreted.
printPrimitiveType(Out, Ty, true, NameSoFar);
printPrimitiveType(Out, Ty, isSigned, NameSoFar);
return Out;
}
@ -407,11 +411,14 @@ std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
const FunctionType *FTy = cast<FunctionType>(Ty);
std::stringstream FunctionInnards;
FunctionInnards << " (" << NameSoFar << ") (";
unsigned Idx = 1;
for (FunctionType::param_iterator I = FTy->param_begin(),
E = FTy->param_end(); I != E; ++I) {
if (I != FTy->param_begin())
FunctionInnards << ", ";
printType(FunctionInnards, *I, "");
printType(FunctionInnards, *I,
/*isSigned=*/FTy->paramHasAttr(Idx, FunctionType::SExtAttribute), "");
++Idx;
}
if (FTy->isVarArg()) {
if (FTy->getNumParams())
@ -421,7 +428,8 @@ std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
}
FunctionInnards << ')';
std::string tstr = FunctionInnards.str();
printType(Out, FTy->getReturnType(), tstr);
printType(Out, FTy->getReturnType(),
/*isSigned=*/FTy->paramHasAttr(0, FunctionType::SExtAttribute), tstr);
return Out;
}
case Type::StructTyID: {
@ -431,7 +439,7 @@ std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
for (StructType::element_iterator I = STy->element_begin(),
E = STy->element_end(); I != E; ++I) {
Out << " ";
printType(Out, *I, "field" + utostr(Idx++));
printType(Out, *I, true, "field" + utostr(Idx++));
Out << ";\n";
}
return Out << '}';
@ -445,14 +453,14 @@ std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
isa<PackedType>(PTy->getElementType()))
ptrName = "(" + ptrName + ")";
return printType(Out, PTy->getElementType(), ptrName);
return printType(Out, PTy->getElementType(), true, ptrName);
}
case Type::ArrayTyID: {
const ArrayType *ATy = cast<ArrayType>(Ty);
unsigned NumElements = ATy->getNumElements();
if (NumElements == 0) NumElements = 1;
return printType(Out, ATy->getElementType(),
return printType(Out, ATy->getElementType(), true,
NameSoFar + "[" + utostr(NumElements) + "]");
}
@ -460,7 +468,7 @@ std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
const PackedType *PTy = cast<PackedType>(Ty);
unsigned NumElements = PTy->getNumElements();
if (NumElements == 0) NumElements = 1;
return printType(Out, PTy->getElementType(),
return printType(Out, PTy->getElementType(), true,
NameSoFar + "[" + utostr(NumElements) + "]");
}
@ -1431,15 +1439,18 @@ bool CWriter::doInitialization(Module &M) {
I != E; ++I) {
if (I->hasExternalLinkage()) {
Out << "extern ";
printType(Out, I->getType()->getElementType(), Mang->getValueName(I));
printType(Out, I->getType()->getElementType(), true,
Mang->getValueName(I));
Out << ";\n";
} else if (I->hasDLLImportLinkage()) {
Out << "__declspec(dllimport) ";
printType(Out, I->getType()->getElementType(), Mang->getValueName(I));
printType(Out, I->getType()->getElementType(), true,
Mang->getValueName(I));
Out << ";\n";
} else if (I->hasExternalWeakLinkage()) {
Out << "extern ";
printType(Out, I->getType()->getElementType(), Mang->getValueName(I));
printType(Out, I->getType()->getElementType(), true,
Mang->getValueName(I));
Out << " __EXTERNAL_WEAK__ ;\n";
}
}
@ -1487,7 +1498,8 @@ bool CWriter::doInitialization(Module &M) {
Out << "static ";
else
Out << "extern ";
printType(Out, I->getType()->getElementType(), Mang->getValueName(I));
printType(Out, I->getType()->getElementType(), true,
Mang->getValueName(I));
if (I->hasLinkOnceLinkage())
Out << " __attribute__((common))";
@ -1516,7 +1528,8 @@ bool CWriter::doInitialization(Module &M) {
else if (I->hasDLLExportLinkage())
Out << "__declspec(dllexport) ";
printType(Out, I->getType()->getElementType(), Mang->getValueName(I));
printType(Out, I->getType()->getElementType(), true,
Mang->getValueName(I));
if (I->hasLinkOnceLinkage())
Out << " __attribute__((common))";
else if (I->hasWeakLinkage())
@ -1623,7 +1636,7 @@ void CWriter::printModuleTypes(const TypeSymbolTable &TST) {
const Type *Ty = cast<Type>(I->second);
std::string Name = "l_" + Mang->makeNameProper(I->first);
Out << "typedef ";
printType(Out, Ty, Name);
printType(Out, Ty, true, Name);
Out << ";\n";
}
@ -1662,7 +1675,7 @@ void CWriter::printContainedStructs(const Type *Ty,
if (StructPrinted.insert(STy).second) {
// Print structure type out.
std::string Name = TypeNames[STy];
printType(Out, STy, Name, true);
printType(Out, STy, true, Name, true);
Out << ";\n\n";
}
}
@ -1705,14 +1718,18 @@ void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
}
std::string ArgName;
unsigned Idx = 1;
for (; I != E; ++I) {
if (PrintedArg) FunctionInnards << ", ";
if (I->hasName() || !Prototype)
ArgName = Mang->getValueName(I);
else
ArgName = "";
printType(FunctionInnards, I->getType(), ArgName);
printType(FunctionInnards, I->getType(),
/*isSigned=*/FT->paramHasAttr(Idx, FunctionType::SExtAttribute),
ArgName);
PrintedArg = true;
++Idx;
}
}
} else {
@ -1726,10 +1743,13 @@ void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
++I;
}
unsigned Idx = 1;
for (; I != E; ++I) {
if (PrintedArg) FunctionInnards << ", ";
printType(FunctionInnards, *I);
printType(FunctionInnards, *I,
/*isSigned=*/FT->paramHasAttr(Idx, FunctionType::SExtAttribute));
PrintedArg = true;
++Idx;
}
}
@ -1754,7 +1774,8 @@ void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
}
// Print out the return type and the signature built above.
printType(Out, RetTy, FunctionInnards.str());
printType(Out, RetTy, FT->paramHasAttr(0, FunctionType::SExtAttribute),
FunctionInnards.str());
}
static inline bool isFPIntBitCast(const Instruction &I) {
@ -1775,11 +1796,12 @@ void CWriter::printFunction(Function &F) {
const Type *StructTy =
cast<PointerType>(F.arg_begin()->getType())->getElementType();
Out << " ";
printType(Out, StructTy, "StructReturn");
printType(Out, StructTy, true, "StructReturn");
Out << "; /* Struct return temporary */\n";
Out << " ";
printType(Out, F.arg_begin()->getType(), Mang->getValueName(F.arg_begin()));
printType(Out, F.arg_begin()->getType(), true,
Mang->getValueName(F.arg_begin()));
Out << " = &StructReturn;\n";
}
@ -1789,17 +1811,17 @@ void CWriter::printFunction(Function &F) {
for (inst_iterator I = inst_begin(&F), E = inst_end(&F); I != E; ++I) {
if (const AllocaInst *AI = isDirectAlloca(&*I)) {
Out << " ";
printType(Out, AI->getAllocatedType(), Mang->getValueName(AI));
printType(Out, AI->getAllocatedType(), true, Mang->getValueName(AI));
Out << "; /* Address-exposed local */\n";
PrintedVar = true;
} else if (I->getType() != Type::VoidTy && !isInlinableInst(*I)) {
Out << " ";
printType(Out, I->getType(), Mang->getValueName(&*I));
printType(Out, I->getType(), true, Mang->getValueName(&*I));
Out << ";\n";
if (isa<PHINode>(*I)) { // Print out PHI node temporaries as well...
Out << " ";
printType(Out, I->getType(),
printType(Out, I->getType(), true,
Mang->getValueName(&*I)+"__PHI_TEMPORARY");
Out << ";\n";
}
@ -2428,12 +2450,14 @@ void CWriter::visitCallInst(CallInst &I) {
}
bool PrintedArg = false;
for (; AI != AE; ++AI, ++ArgNo) {
unsigned Idx = 1;
for (; AI != AE; ++AI, ++ArgNo, ++Idx) {
if (PrintedArg) Out << ", ";
if (ArgNo < NumDeclaredParams &&
(*AI)->getType() != FTy->getParamType(ArgNo)) {
Out << '(';
printType(Out, FTy->getParamType(ArgNo));
printType(Out, FTy->getParamType(ArgNo),
/*isSigned=*/FTy->paramHasAttr(Idx, FunctionType::SExtAttribute));
Out << ')';
}
writeOperand(*AI);
@ -2650,7 +2674,7 @@ void CWriter::visitLoadInst(LoadInst &I) {
Out << '*';
if (I.isVolatile()) {
Out << "((";
printType(Out, I.getType(), "volatile*");
printType(Out, I.getType(), true, "volatile*");
Out << ")";
}
@ -2664,7 +2688,7 @@ void CWriter::visitStoreInst(StoreInst &I) {
Out << '*';
if (I.isVolatile()) {
Out << "((";
printType(Out, I.getOperand(0)->getType(), " volatile*");
printType(Out, I.getOperand(0)->getType(), true, " volatile*");
Out << ")";
}
writeOperand(I.getPointerOperand());