llvm-project/clang/test/CodeGenCXX/2007-07-29-RestrictRefArg.cpp

// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s

void foo(int & __restrict myptr1, int & myptr2) {
  // CHECK: noalias
  myptr1 = 0;
  myptr2 = 0;
}