gcc/testsuite/gcc.dg/tree-ssa/pr88775-1.c

   1 /* PR tree-optimization/88775 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4 /* { dg-final { scan-tree-dump-times "return 1;" 10 "optimized" } } */
   5
   6 int a[64] = {};
   7 int b[64] = {};
   8
   9 int
  10 f1 (void)
  11 {
  12   return (__UINTPTR_TYPE__) &a[2] != (__UINTPTR_TYPE__) &b[2];
  13 }
  14
  15 int
  16 f2 (void)
  17 {
  18   return (__UINTPTR_TYPE__) &a[2] != (__UINTPTR_TYPE__) &b[10];
  19 }
  20
  21 int
  22 f3 (void)
  23 {
  24   return (__UINTPTR_TYPE__) &a[0] != (__UINTPTR_TYPE__) &b[0];
  25 }
  26
  27 int
  28 f4 (void)
  29 {
  30   return (__UINTPTR_TYPE__) &a[64] != (__UINTPTR_TYPE__) &b[64];
  31 }
  32
  33 int
  34 f5 (void)
  35 {
  36   int c[64] = {};
  37   return (__UINTPTR_TYPE__) &a[0] != (__UINTPTR_TYPE__) &c[64];
  38 }
  39
  40 int
  41 f6 (void)
  42 {
  43   int c[64] = {};
  44   return (__UINTPTR_TYPE__) &b[64] != (__UINTPTR_TYPE__) &c[0];
  45 }
  46
  47 int
  48 f7 (void)
  49 {
  50   int c[64] = {}, d[64] = {};
  51   return (__UINTPTR_TYPE__) &c[2] != (__UINTPTR_TYPE__) &d[2];
  52 }
  53
  54 int
  55 f8 (void)
  56 {
  57   int c[64] = {}, d[64] = {};
  58   return (__UINTPTR_TYPE__) &c[2] != (__UINTPTR_TYPE__) &d[10];
  59 }
  60
  61 int
  62 f9 (void)
  63 {
  64   int c[64] = {}, d[64] = {};
  65   return (__UINTPTR_TYPE__) &c[0] != (__UINTPTR_TYPE__) &d[0];
  66 }
  67
  68 int
  69 f10 (void)
  70 {
  71   int c[64] = {}, d[64] = {};
  72   return (__UINTPTR_TYPE__) &c[64] != (__UINTPTR_TYPE__) &d[64];
  73 }