def int_x86_rdrand_32 : Intrinsic<[llvm_i32_ty, llvm_i32_ty], [], []>;
def int_x86_rdrand_64 : Intrinsic<[llvm_i64_ty, llvm_i32_ty], [], []>;
}
+
+//===----------------------------------------------------------------------===//
+// RTM intrinsics. Transactional Memory support.
+
+let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
+ def int_x86_xbegin : GCCBuiltin<"__builtin_ia32_xbegin">,
+ Intrinsic<[llvm_i32_ty], [], []>;
+ def int_x86_xend : GCCBuiltin<"__builtin_ia32_xend">,
+ Intrinsic<[], [], []>;
+ def int_x86_xabort : GCCBuiltin<"__builtin_ia32_xabort">,
+ Intrinsic<[], [llvm_i8_ty], [IntrNoReturn]>;
+}