[NFC] Add opaque-pointers option

Author: haonanya1

llvm/test/Instrumentation/MemorySanitizer/count-zeroes.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt %s -S -passes=msan 2>&1 | FileCheck %s
+; INTEL RUN: opt %s -opaque-pointers -S -passes=msan 2>&1 | FileCheck %s
 
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-unknown-linux-gnu"