gcc/testsuite/gcc.dg/ipa/ipa-sra-10.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fipa-sra -fdump-tree-eipa_sra-details"  } */
   3
   4 extern void consume (int);
   5 extern int glob, glob1, glob2;
   6 extern int get (void);
   7
   8
   9 static void __attribute__ ((noinline))
  10 foo (int a)
  11 {
  12   a = glob;
  13   consume (a);
  14   a = get ();
  15   consume (a);
  16   __asm__ volatile("" : : ""(a));
  17   consume (a);
  18
  19   if (glob1)
  20     a = glob1;
  21   else
  22     a = glob2;
  23   consume (a);
  24 }
  25
  26 int
  27 bar (int a)
  28 {
  29   foo (a);
  30   glob = a;
  31   return 0;
  32 }
  33
  34 /* { dg-final { scan-tree-dump-times "replacing an SSA name of a removed param" 4 "eipa_sra" } } */