std::string Name; // The name of the LLVM function "llvm.bswap.i32"
std::string EnumName; // The name of the enum "bswap_i32"
std::string GCCBuiltinName;// Name of the corresponding GCC builtin, or "".
+ std::string MSBuiltinName; // Name of the corresponding MS builtin, or "".
std::string TargetPrefix; // Target prefix, e.g. "ppc" for t-s intrinsics.
/// IntrinsicSignature - This structure holds the return values and