GCCBuiltin<"__builtin_stack_save">;
def int_stackrestore : Intrinsic<[llvm_void_ty, llvm_ptr_ty]>,
GCCBuiltin<"__builtin_stack_restore">;
+// IntrWriteArgMem is more pessimistic than strictly necessary for prefetch,
+// however it does conveniently prevent the prefetch from being reordered
+// with respect to nearby accesses to the same memory.
def int_prefetch : Intrinsic<[llvm_void_ty, llvm_ptr_ty,
- llvm_i32_ty, llvm_i32_ty]>;
+ llvm_i32_ty, llvm_i32_ty],
+ [IntrWriteArgMem]>;
def int_pcmarker : Intrinsic<[llvm_void_ty, llvm_i32_ty]>;
def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>;