test/cfi/external-call.c


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// RUN: %clangxx_cfi -o %t1 %s
// RUN: %t1 c 1 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %t1 s 2 2>&1 | FileCheck --check-prefix=CFI %s

#include <stdlib.h>
#include <stdio.h>
#include <math.h>

int main(int argc, char **argv) {
  // CFI: 1
  fprintf(stderr, "1\n");

  double (*fn)(double);
  if (argv[1][0] == 's')
    fn = sin;
  else
    fn = cos;

  fn(atof(argv[2]));

  // CFI: 2
  fprintf(stderr, "2\n");
}