Add the NoUnwindAttribute to allow explicit marking of functions that do
not unwind the stack via the unwind instruction. This is akin to gcc's
NoThrow attribute and used for optimizing exception handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35250
91177308-0d34-0410-b5e6-
96231b3b80d8
SExtAttribute = 1 << 1, ///< sign extended before/after call
NoReturnAttribute = 1 << 2, ///< mark the function as not returning
InRegAttribute = 1 << 3, ///< force argument to be passed in register
- StructRetAttribute= 1 << 4 ///< hidden pointer to structure to return
+ StructRetAttribute= 1 << 4, ///< hidden pointer to structure to return
+ NoUnwindAttribute = 1 << 5 ///< Function doesn't unwind stack
};
typedef std::vector<ParameterAttributes> ParamAttrsList;
private: