llvm-project/clang/test/CodeGen/2002-01-23-LoadQISIReloadFailure.c

// RUN: %clang_cc1 -emit-llvm %s  -o /dev/null

/* Regression test.  Just compile .c -> .ll to test */
int foo(void) {
  unsigned char *pp;
  unsigned w_cnt;

  w_cnt += *pp;

  return w_cnt;
}