[llvm] [hwasan] Add intrinsics for fixed shadow on Aarch64 (PR #89319)

[Thurston Dang via llvm-commits]

================
@@ -2362,13 +2362,32 @@ def int_load_relative: DefaultAttrsIntrinsic<[llvm_ptr_ty], [llvm_ptr_ty, llvm_a
 def int_asan_check_memaccess :
   Intrinsic<[],[llvm_ptr_ty, llvm_i32_ty], [ImmArg<ArgIndex<1>>]>;
 
+// HWASan intrinsics to test whether a pointer is addressable.
+//===----------------------------------------------------------------------===//
+// Parameters: Shadow base (passed in a register), pointer to be checked for validity, AccessInfo
----------------
thurstond wrote:

Done

https://github.com/llvm/llvm-project/pull/89319