gcc/testsuite/gcc.dg/ipa/pr91088.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fdump-ipa-cp-details -fno-inline" } */
   3
   4 int foo();
   5
   6 #define large_code \
   7 do { \
   8   foo (); \
   9   foo (); \
  10   foo (); \
  11   foo (); \
  12   foo (); \
  13   foo (); \
  14   foo (); \
  15   foo (); \
  16   foo (); \
  17   foo (); \
  18   foo (); \
  19   foo (); \
  20   foo (); \
  21   foo (); \
  22   foo (); \
  23   foo (); \
  24   foo (); \
  25   foo (); \
  26   foo (); \
  27   foo (); \
  28   foo (); \
  29   foo (); \
  30   foo (); \
  31   foo (); \
  32   foo (); \
  33   foo (); \
  34   foo (); \
  35   foo (); \
  36   foo (); \
  37   foo (); \
  38   foo (); \
  39   foo (); \
  40   foo (); \
  41   foo (); \
  42   foo (); \
  43   foo (); \
  44   foo (); \
  45   foo (); \
  46   foo (); \
  47   foo (); \
  48 } while (1)
  49
  50
  51 struct A
  52 {
  53   char  f1;
  54   short f2 : 5;
  55   int   f3;
  56 };
  57
  58 int callee1 (struct A a)
  59 {
  60   if ((a.f2 + 7) & 17)
  61     foo ();
  62
  63   if ((1300 / (short)a.f3) == 19)
  64     large_code;
  65
  66   return 1;
  67 }
  68
  69 int callee2 (short *p)
  70 {
  71   if ((*p ^ 1)  <  8)
  72     large_code;
  73
  74   return 2;
  75 }
  76
  77 int callee3 (int v)
  78 {
  79   if ((27 % ((1 - (v & 0xff)) * 3)) < 6)
  80     {
  81       large_code;
  82       return v + 2;
  83     }
  84   else
  85     return v + 1;
  86 }
  87
  88 int caller ()
  89 {
  90   struct A a;
  91   short b;
  92
  93   a.f2 = -7;
  94   a.f3 = 68;
  95   if (callee1 (a))
  96     foo ();
  97
  98   a.f2 = 3;
  99   a.f3 = 10;
 100   if (callee1 (a))
 101     foo ();
 102
 103   b = 9;
 104   if (callee2 (&b))
 105     foo ();
 106
 107   b = 2;
 108   if (callee2 (&b))
 109     foo ();
 110
 111   return callee3 (-5) +
 112          callee3 (0);
 113 }
 114
 115 /* { dg-final { scan-ipa-dump-times "Creating a specialized node of callee1" 1 "cp" } } */
 116 /* { dg-final { scan-ipa-dump-times "Creating a specialized node of callee2" 1 "cp" } } */
 117 /* { dg-final { scan-ipa-dump-times "Creating a specialized node of callee3" 1 "cp" } } */
 118 /* { dg-final { scan-ipa-dump "op0\\\[offset: 16],\\(\\(short int\\) #\\),\\(\\(int\\) #\\),\\(1300 / #\\) == 19" "cp" { target default_packed } } } */
 119 /* { dg-final { scan-ipa-dump "op0\\\[offset: 32],\\(\\(short int\\) #\\),\\(\\(int\\) #\\),\\(1300 / #\\) == 19" "cp" { target { ! default_packed } } } } */
 120 /* { dg-final { scan-ipa-dump "op0\\\[ref offset: 0],\\(# \\^ 1\\) <" "cp" } } */
 121 /* { dg-final { scan-ipa-dump "op0,\\(# & 255\\),\\(1 - #\\),\\(# \\* 3\\),\\(27 % #\\) <" "cp" } } */