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Eliminate more pointless default statements 

llvm-svn: 120446
This commit is contained in:
Douglas Gregor 2010-11-30 19:14:03 +00:00
parent b63ba73b1b
commit 5d02a7e553
1 changed files with 16 additions and 5 deletions
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21
clang/lib/AST/Type.cpp
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@ -849,8 +849,10 @@ TypeWithKeyword::getTagTypeKindForTypeSpec(unsigned TypeSpec) {
case TST_struct: return TTK_Struct; case TST_struct: return TTK_Struct;
case TST_union: return TTK_Union; case TST_union: return TTK_Union;
case TST_enum: return TTK_Enum; case TST_enum: return TTK_Enum;
default: llvm_unreachable("Type specifier is not a tag type kind.");
} }
llvm_unreachable("Type specifier is not a tag type kind.");
return TTK_Union;
} }
ElaboratedTypeKeyword ElaboratedTypeKeyword
@ -896,7 +898,6 @@ TypeWithKeyword::KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword) {
const char* const char*
TypeWithKeyword::getKeywordName(ElaboratedTypeKeyword Keyword) { TypeWithKeyword::getKeywordName(ElaboratedTypeKeyword Keyword) {
switch (Keyword) { switch (Keyword) {
default: llvm_unreachable("Unknown elaborated type keyword.");
case ETK_None: return ""; case ETK_None: return "";
case ETK_Typename: return "typename"; case ETK_Typename: return "typename";
case ETK_Class: return "class"; case ETK_Class: return "class";
@ -904,6 +905,9 @@ TypeWithKeyword::getKeywordName(ElaboratedTypeKeyword Keyword) {
case ETK_Union: return "union"; case ETK_Union: return "union";
case ETK_Enum: return "enum"; case ETK_Enum: return "enum";
} }
llvm_unreachable("Unknown elaborated type keyword.");
return "";
} }
ElaboratedType::~ElaboratedType() {} ElaboratedType::~ElaboratedType() {}
@ -956,11 +960,13 @@ bool Type::isElaboratedTypeSpecifier() const {
const char *Type::getTypeClassName() const { const char *Type::getTypeClassName() const {
switch (TypeBits.TC) { switch (TypeBits.TC) {
default: assert(0 && "Type class not in TypeNodes.def!");
#define ABSTRACT_TYPE(Derived, Base) #define ABSTRACT_TYPE(Derived, Base)
#define TYPE(Derived, Base) case Derived: return #Derived; #define TYPE(Derived, Base) case Derived: return #Derived;
#include "clang/AST/TypeNodes.def" #include "clang/AST/TypeNodes.def"
} }
llvm_unreachable("Invalid type class.");
return 0;
} }
const char *BuiltinType::getName(const LangOptions &LO) const { const char *BuiltinType::getName(const LangOptions &LO) const {
@ -995,6 +1001,7 @@ const char *BuiltinType::getName(const LangOptions &LO) const {
case ObjCClass: return "Class"; case ObjCClass: return "Class";
case ObjCSel: return "SEL"; case ObjCSel: return "SEL";
} }
llvm_unreachable("Invalid builtin type."); llvm_unreachable("Invalid builtin type.");
return 0; return 0;
} }
@ -1019,8 +1026,9 @@ QualType QualType::getNonLValueExprType(ASTContext &Context) const {
llvm::StringRef FunctionType::getNameForCallConv(CallingConv CC) { llvm::StringRef FunctionType::getNameForCallConv(CallingConv CC) {
switch (CC) { switch (CC) {
case CC_Default: llvm_unreachable("no name for default cc"); case CC_Default:
default: return ""; llvm_unreachable("no name for default cc");
return "";
case CC_C: return "cdecl"; case CC_C: return "cdecl";
case CC_X86StdCall: return "stdcall"; case CC_X86StdCall: return "stdcall";
@ -1028,6 +1036,9 @@ llvm::StringRef FunctionType::getNameForCallConv(CallingConv CC) {
case CC_X86ThisCall: return "thiscall"; case CC_X86ThisCall: return "thiscall";
case CC_X86Pascal: return "pascal"; case CC_X86Pascal: return "pascal";
} }
llvm_unreachable("Invalid calling convention.");
return "";
} }
FunctionProtoType::FunctionProtoType(QualType Result, const QualType *ArgArray, FunctionProtoType::FunctionProtoType(QualType Result, const QualType *ArgArray,