Index: include/llvm/IR/IntrinsicsAMDGPU.td
===================================================================
--- include/llvm/IR/IntrinsicsAMDGPU.td
+++ include/llvm/IR/IntrinsicsAMDGPU.td
@@ -1171,7 +1171,7 @@
 def int_amdgcn_s_getreg :
   GCCBuiltin<"__builtin_amdgcn_s_getreg">,
   Intrinsic<[llvm_i32_ty], [llvm_i32_ty],
-  [IntrReadMem, IntrSpeculatable, ImmArg<0>]
+  [IntrInaccessibleMemOnly, IntrReadMem, IntrSpeculatable, ImmArg<0>]
 >;
 
 // int_amdgcn_s_getpc is provided to allow a specific style of position