Implement ARM pcs attribute. Basically it's another way of calling convention selection (AAPCS or
AAPCS+VFP), similar to fastcall / stdcall / whatevercall seen on x86.
In particular, all library functions should always be AAPCS regardless of floating point ABI used.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129534 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/TypePrinter.cpp b/lib/AST/TypePrinter.cpp
index e287c46..79fbcaa 100644
--- a/lib/AST/TypePrinter.cpp
+++ b/lib/AST/TypePrinter.cpp
@@ -400,6 +400,12 @@
case CC_X86Pascal:
S += " __attribute__((pascal))";
break;
+ case CC_AAPCS:
+ S += " __attribute__((pcs(\"aapcs\")))";
+ break;
+ case CC_AAPCS_VFP:
+ S += " __attribute__((pcs(\"aapcs-vfp\")))";
+ break;
}
if (Info.getNoReturn())
S += " __attribute__((noreturn))";
@@ -851,6 +857,16 @@
case AttributedType::attr_stdcall: S += "stdcall"; break;
case AttributedType::attr_thiscall: S += "thiscall"; break;
case AttributedType::attr_pascal: S += "pascal"; break;
+ case AttributedType::attr_pcs: {
+ S += "pcs(";
+ QualType t = T->getEquivalentType();
+ while (!t->isFunctionType())
+ t = t->getPointeeType();
+ S += (t->getAs<FunctionType>()->getCallConv() == CC_AAPCS ?
+ "\"aapcs\"" : "\"aapcs-vfp\"");
+ S += ")";
+ break;
+ }
}
S += "))";
}