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Remove and simplify unused checking code. 

This is already handled by CheckCallingConvAttr.

llvm-svn: 161865
This commit is contained in:
Benjamin Kramer 2012-08-14 13:24:39 +00:00
parent bf2bfa5aa4
commit 25885f4657
1 changed files with 7 additions and 16 deletions
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23
clang/lib/Sema/SemaDeclAttr.cpp
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@ -3523,25 +3523,16 @@ static void handleCallConvAttr(Sema &S, Decl *D, const AttributeList &Attr) {
D->addAttr(::new (S.Context) PascalAttr(Attr.getRange(), S.Context));
return;
case AttributeList::AT_Pcs: {
Expr *Arg = Attr.getArg(0);
StringLiteral *Str = dyn_cast<StringLiteral>(Arg);
if (!Str || !Str->isAscii()) {
S.Diag(Attr.getLoc(), diag::err_attribute_argument_n_not_string)
<< "pcs" << 1;
Attr.setInvalid();
return;
}
StringRef StrRef = Str->getString();
PcsAttr::PCSType PCS;
if (StrRef == "aapcs")
switch (CC) {
case CC_AAPCS:
PCS = PcsAttr::AAPCS;
else if (StrRef == "aapcs-vfp")
break;
case CC_AAPCS_VFP:
PCS = PcsAttr::AAPCS_VFP;
else {
S.Diag(Attr.getLoc(), diag::err_invalid_pcs);
Attr.setInvalid();
return;
break;
default:
llvm_unreachable("unexpected calling convention in pcs attribute");
}
D->addAttr(::new (S.Context) PcsAttr(Attr.getRange(), S.Context, PCS));