The old function treats high values as negative, which LLVM interprets as 0.
 
 void
 ac_llvm_add_target_dep_function_attr(LLVMValueRef F,
-                                    const char *name, int value)
+                                    const char *name, unsigned value)
 {
        char str[16];
 
-       snprintf(str, sizeof(str), "%i", value);
+       snprintf(str, sizeof(str), "0x%x", value);
        LLVMAddTargetDependentFunctionAttr(F, name, str);
 }
 
 
 
 void
 ac_llvm_add_target_dep_function_attr(LLVMValueRef F,
-                                    const char *name, int value);
+                                    const char *name, unsigned value);
 
 static inline unsigned
 ac_get_load_intr_attribs(bool can_speculate)
 
                        *fninfo->assign[i] = LLVMGetParam(ctx->main_fn, i);
        }
 
-       si_llvm_add_attribute(ctx->main_fn, "amdgpu-32bit-address-high-bits",
-                             ctx->screen->info.address32_hi);
+       if (ctx->screen->info.address32_hi) {
+               ac_llvm_add_target_dep_function_attr(ctx->main_fn,
+                                                    "amdgpu-32bit-address-high-bits",
+                                                    ctx->screen->info.address32_hi);
+       }
 
        if (max_workgroup_size) {
                si_llvm_add_attribute(ctx->main_fn, "amdgpu-max-work-group-size",