allow inreg on the result of a function

llvm-svn: 56501

llvm/include/llvm/ParameterAttributes.h

@@ -48,7 +48,7 @@ const Attributes Alignment = 0xffff<<16; ///< Alignment of parameter (16 bits)
                                     // 0 = unknown, else in clear (not log)
 
 /// @brief Attributes that only apply to function parameters.
-const Attributes ParameterOnly = ByVal | InReg | Nest | StructRet;
+const Attributes ParameterOnly = ByVal | Nest | StructRet;
 
 /// @brief Attributes that only apply to function return values.
 const Attributes ReturnOnly = NoReturn | NoUnwind | ReadNone | ReadOnly;

llvm/lib/AsmParser/llvmAsmParser.y

@@ -1282,6 +1282,7 @@ OptParamAttrs : /* empty */  { $$ = ParamAttr::None; }
 
 FuncAttr      : NORETURN { $$ = ParamAttr::NoReturn; }
               | NOUNWIND { $$ = ParamAttr::NoUnwind; }
+              | INREG    { $$ = ParamAttr::InReg;     }
               | ZEROEXT  { $$ = ParamAttr::ZExt;     }
               | SIGNEXT  { $$ = ParamAttr::SExt;     }
               | READNONE { $$ = ParamAttr::ReadNone; }