[LLVM][rtsan] Update sanitize_realtime_unsafe test

Author: davidtrevelyan

llvm/test/Instrumentation/RealtimeSanitizer/rtsan_unsafe.ll

@@ -1,19 +1,31 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 5
 ; RUN: opt < %s -passes=rtsan -S | FileCheck %s
 
+; RealtimeSanitizer pass should create the demangled function name as a global string and,
+; at the function entrypoint, pass it as an argument to the rtsan notify method
+
+;.
+; CHECK: @[[GLOB0:[0-9]+]] = private unnamed_addr constant [20 x i8] c"blocking_function()\00", align 1
+;.
 define void @_Z17blocking_functionv() #0 {
+; CHECK-LABEL: define void @_Z17blocking_functionv(
+; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT:    call void @__rtsan_notify_blocking_call(ptr @[[GLOB0]])
+; CHECK-NEXT:    ret void
+;
   ret void
 }
 
 define noundef i32 @main() #2 {
+; CHECK-LABEL: define noundef i32 @main() {
+; CHECK-NEXT:    call void @_Z17blocking_functionv()
+; CHECK-NEXT:    ret i32 0
+;
   call void @_Z17blocking_functionv() #4
   ret i32 0
 }
 
 attributes #0 = { mustprogress noinline sanitize_realtime_unsafe optnone ssp uwtable(sync) }
-
-; RealtimeSanitizer pass should create the demangled function name as a global string and,
-; at the function entrypoint, pass it as an argument to the rtsan notify method
-; CHECK: [[GLOBAL_STR:@[a-zA-Z0-9\.]+]]
-; CHECK-SAME: c"blocking_function()\00"
-; CHECK-LABEL: @_Z17blocking_functionv()
-; CHECK-NEXT: call{{.*}}@__rtsan_notify_blocking_call(ptr{{.*}}[[GLOBAL_STR]])
+;.
+; CHECK: attributes #[[ATTR0]] = { mustprogress noinline optnone sanitize_realtime_unsafe ssp uwtable(sync) }
+;.