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-rw-r--r--lib/AST/ASTContext.cpp105
1 files changed, 48 insertions, 57 deletions
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index ecba4a136f..a6b0861f02 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -1141,7 +1141,7 @@ QualType ASTContext::getObjCGCQualType(QualType T,
}
static QualType getExtFunctionType(ASTContext& Context, QualType T,
- const FunctionType::ExtInfo &Info) {
+ const FunctionType::ExtInfo &Info) {
QualType ResultType;
if (const PointerType *Pointer = T->getAs<PointerType>()) {
QualType Pointee = Pointer->getPointeeType();
@@ -1183,15 +1183,11 @@ static QualType getExtFunctionType(ASTContext& Context, QualType T,
Info);
} else {
const FunctionProtoType *FPT = cast<FunctionProtoType>(F);
- ResultType
- = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(),
- FPT->getNumArgs(), FPT->isVariadic(),
- FPT->getTypeQuals(),
- FPT->hasExceptionSpec(),
- FPT->hasAnyExceptionSpec(),
- FPT->getNumExceptions(),
- FPT->exception_begin(),
- Info);
+ FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo();
+ EPI.ExtInfo = Info;
+ ResultType = Context.getFunctionType(FPT->getResultType(),
+ FPT->arg_type_begin(),
+ FPT->getNumArgs(), EPI);
}
} else
return T;
@@ -1201,20 +1197,17 @@ static QualType getExtFunctionType(ASTContext& Context, QualType T,
QualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) {
FunctionType::ExtInfo Info = getFunctionExtInfo(T);
- return getExtFunctionType(*this, T,
- Info.withNoReturn(AddNoReturn));
+ return getExtFunctionType(*this, T, Info.withNoReturn(AddNoReturn));
}
QualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) {
FunctionType::ExtInfo Info = getFunctionExtInfo(T);
- return getExtFunctionType(*this, T,
- Info.withCallingConv(CallConv));
+ return getExtFunctionType(*this, T, Info.withCallingConv(CallConv));
}
QualType ASTContext::getRegParmType(QualType T, unsigned RegParm) {
FunctionType::ExtInfo Info = getFunctionExtInfo(T);
- return getExtFunctionType(*this, T,
- Info.withRegParm(RegParm));
+ return getExtFunctionType(*this, T, Info.withRegParm(RegParm));
}
/// getComplexType - Return the uniqued reference to the type for a complex
@@ -1763,20 +1756,13 @@ QualType ASTContext::getFunctionNoProtoType(QualType ResultTy,
/// getFunctionType - Return a normal function type with a typed argument
/// list. isVariadic indicates whether the argument list includes '...'.
-QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray,
- unsigned NumArgs, bool isVariadic,
- unsigned TypeQuals, bool hasExceptionSpec,
- bool hasAnyExceptionSpec, unsigned NumExs,
- const QualType *ExArray,
- const FunctionType::ExtInfo &Info) {
-
- const CallingConv CallConv= Info.getCC();
+QualType ASTContext::getFunctionType(QualType ResultTy,
+ const QualType *ArgArray, unsigned NumArgs,
+ const FunctionProtoType::ExtProtoInfo &EPI) {
// Unique functions, to guarantee there is only one function of a particular
// structure.
llvm::FoldingSetNodeID ID;
- FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic,
- TypeQuals, hasExceptionSpec, hasAnyExceptionSpec,
- NumExs, ExArray, Info);
+ FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI);
void *InsertPos = 0;
if (FunctionProtoType *FTP =
@@ -1784,11 +1770,13 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray,
return QualType(FTP, 0);
// Determine whether the type being created is already canonical or not.
- bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical();
+ bool isCanonical = !EPI.HasExceptionSpec && ResultTy.isCanonical();
for (unsigned i = 0; i != NumArgs && isCanonical; ++i)
if (!ArgArray[i].isCanonicalAsParam())
isCanonical = false;
+ const CallingConv CallConv = EPI.ExtInfo.getCC();
+
// If this type isn't canonical, get the canonical version of it.
// The exception spec is not part of the canonical type.
QualType Canonical;
@@ -1798,11 +1786,18 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray,
for (unsigned i = 0; i != NumArgs; ++i)
CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i]));
+ FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI;
+ if (CanonicalEPI.HasExceptionSpec) {
+ CanonicalEPI.HasExceptionSpec = false;
+ CanonicalEPI.HasAnyExceptionSpec = false;
+ CanonicalEPI.NumExceptions = 0;
+ }
+ CanonicalEPI.ExtInfo
+ = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv));
+
Canonical = getFunctionType(getCanonicalType(ResultTy),
CanonicalArgs.data(), NumArgs,
- isVariadic, TypeQuals, false,
- false, 0, 0,
- Info.withCallingConv(getCanonicalCallConv(CallConv)));
+ CanonicalEPI);
// Get the new insert position for the node we care about.
FunctionProtoType *NewIP =
@@ -1813,13 +1808,11 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray,
// FunctionProtoType objects are allocated with extra bytes after them
// for two variable size arrays (for parameter and exception types) at the
// end of them.
- FunctionProtoType *FTP =
- (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) +
- NumArgs*sizeof(QualType) +
- NumExs*sizeof(QualType), TypeAlignment);
- new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic,
- TypeQuals, hasExceptionSpec, hasAnyExceptionSpec,
- ExArray, NumExs, Canonical, Info);
+ size_t Size = sizeof(FunctionProtoType) +
+ NumArgs * sizeof(QualType) +
+ EPI.NumExceptions * sizeof(QualType);
+ FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment);
+ new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, EPI);
Types.push_back(FTP);
FunctionProtoTypes.InsertNode(FTP, InsertPos);
return QualType(FTP, 0);
@@ -4852,6 +4845,8 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs,
if (!isSameCallConv(lcc, rcc))
return QualType();
+ FunctionType::ExtInfo einfo = FunctionType::ExtInfo(NoReturn, RegParm, lcc);
+
if (lproto && rproto) { // two C99 style function prototypes
assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() &&
"C++ shouldn't be here");
@@ -4895,10 +4890,10 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs,
}
if (allLTypes) return lhs;
if (allRTypes) return rhs;
- return getFunctionType(retType, types.begin(), types.size(),
- lproto->isVariadic(), lproto->getTypeQuals(),
- false, false, 0, 0,
- FunctionType::ExtInfo(NoReturn, RegParm, lcc));
+
+ FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo();
+ EPI.ExtInfo = einfo;
+ return getFunctionType(retType, types.begin(), types.size(), EPI);
}
if (lproto) allRTypes = false;
@@ -4929,11 +4924,11 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs,
if (allLTypes) return lhs;
if (allRTypes) return rhs;
+
+ FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo();
+ EPI.ExtInfo = einfo;
return getFunctionType(retType, proto->arg_type_begin(),
- proto->getNumArgs(), proto->isVariadic(),
- proto->getTypeQuals(),
- false, false, 0, 0,
- FunctionType::ExtInfo(NoReturn, RegParm, lcc));
+ proto->getNumArgs(), EPI);
}
if (allLTypes) return lhs;
@@ -5218,16 +5213,11 @@ QualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) {
// In either case, use OldReturnType to build the new function type.
const FunctionType *F = LHS->getAs<FunctionType>();
if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) {
- FunctionType::ExtInfo Info = getFunctionExtInfo(LHS);
+ FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo();
+ EPI.ExtInfo = getFunctionExtInfo(LHS);
QualType ResultType
= getFunctionType(OldReturnType, FPT->arg_type_begin(),
- FPT->getNumArgs(), FPT->isVariadic(),
- FPT->getTypeQuals(),
- FPT->hasExceptionSpec(),
- FPT->hasAnyExceptionSpec(),
- FPT->getNumExceptions(),
- FPT->exception_begin(),
- Info);
+ FPT->getNumArgs(), EPI);
return ResultType;
}
}
@@ -5580,10 +5570,11 @@ QualType ASTContext::GetBuiltinType(unsigned Id,
if (ArgTypes.size() == 0 && TypeStr[0] == '.')
return getFunctionNoProtoType(ResType);
+ FunctionProtoType::ExtProtoInfo EPI;
+ EPI.Variadic = (TypeStr[0] == '.');
// FIXME: Should we create noreturn types?
- return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(),
- TypeStr[0] == '.', 0, false, false, 0, 0,
- FunctionType::ExtInfo());
+
+ return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI);
}
GVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) {
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-07-15 20:00:41 +0000