gcc/testsuite/gcc.dg/noreorder.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 /* The function order in this file is opposite from what the cgraph
   5    topological sort would output. So we can check the order is preserved. */
   6
   7 extern void f2(int);
   8 static int func2(void);
   9
  10 #ifndef NOREORDER
  11 #define NOREORDER __attribute__((no_reorder))
  12 #endif
  13
  14 asm("firstasm");
  15
  16 NOREORDER __attribute__((noinline)) int bozo(void)
  17 {
  18   f2(3);
  19   func2();
  20 }
  21
  22 asm("jukjuk");
  23
  24 NOREORDER __attribute__((noinline)) static int func1(void)
  25 {
  26   f2(1);
  27 }
  28
  29 asm("barbar");
  30
  31 NOREORDER __attribute__((noinline)) static int func2(void)
  32 {
  33   func1();
  34 }
  35
  36 asm("lastasm");
  37
  38 /* { dg-final { scan-assembler "firstasm.*bozo.*jukjuk.*func1.*barbar.*func2.*lastasm" } } */