gcc/testsuite/gcc.target/i386/cet-notrack-icf-1.c

   1 /* Verify nocf_check functions are not ICF optimized.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4 /* { dg-final { scan-assembler-not "endbr" } } */
   5 /* { dg-final { scan-assembler-not "fn3:" } } */
   6 /* { dg-final { scan-assembler "set\[ \t]+fn2,fn1" } } */
   7 /* { dg-final { scan-assembler "set\[ \t]+fn3,fn1" } } */
   8
   9 static __attribute__((noinline)) int
  10 fn1 (int x)
  11 {
  12   return x + 12;
  13 }
  14
  15 static __attribute__((noinline)) int
  16 fn2 (int x)
  17 {
  18   return x + 12;
  19 }
  20
  21 static __attribute__((noinline, nocf_check)) int
  22 fn3 (int x)
  23 { /* { dg-warning "'nocf_check' attribute ignored. Use -fcf-protection option to enable it" } */
  24   return x + 12;
  25 }
  26
  27 int
  28 fn4 (int x)
  29 {
  30   return fn1 (x) + fn2 (x) + fn3 (x);
  31 }