gcc/testsuite/gcc.dg/tree-ssa/pr94800.c

   1 /* PR tree-optimization/94800 */
   2 /* { dg-do compile { target { ilp32 || lp64 } } } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4 /* { dg-final { scan-tree-dump-times " \* 72340172838076673" 2 "optimized" } } */
   5 /* { dg-final { scan-tree-dump-times " \* 16843009" 2 "optimized" } } */
   6 /* { dg-final { scan-tree-dump-times " \* 289360691352306692" 2 "optimized" } } */
   7 /* { dg-final { scan-tree-dump-times " \* 1229782938247303441" 2 "optimized" } } */
   8 /* { dg-final { scan-tree-dump-not "<<" "optimized" } } */
   9
  10 unsigned long long int
  11 foo (unsigned long long int x)
  12 {
  13   unsigned long long int a = x + (x << 8);
  14   unsigned long long int b = a + (a << 16);
  15   unsigned long long int c = b + (b << 32);
  16   return c;
  17 }
  18
  19 unsigned int
  20 bar (unsigned int x)
  21 {
  22   unsigned int a = x + (x << 8);
  23   unsigned int b = a + (a << 16);
  24   return b;
  25 }
  26
  27 unsigned long long int
  28 baz (unsigned long long int x)
  29 {
  30   unsigned long long int a = (x << 2) + (x << 10);
  31   unsigned long long int b = a + (a << 16);
  32   unsigned long long int c = b + (b << 32);
  33   return c;
  34 }
  35
  36 unsigned long long int
  37 qux (unsigned long long int x)
  38 {
  39   unsigned long long int a = x + (x << 4);
  40   unsigned long long int b = a + (a << 8);
  41   unsigned long long int c = b + (b << 16);
  42   unsigned long long int d = c + (c << 32);
  43   return d;
  44 }
  45
  46 long long int
  47 quux (long long int x)
  48 {
  49   long long int a = x + (x << 8);
  50   long long int b = a + (a << 16);
  51   long long int c = b + (b << 32);
  52   return c;
  53 }
  54
  55 int
  56 corge (int x)
  57 {
  58   int a = x + (x << 8);
  59   int b = a + (a << 16);
  60   return b;
  61 }
  62
  63 long long int
  64 garply (long long int x)
  65 {
  66   long long int a = (x << 2) + (x << 10);
  67   long long int b = a + (a << 16);
  68   long long int c = b + (b << 32);
  69   return c;
  70 }
  71
  72 long long int
  73 waldo (long long int x)
  74 {
  75   long long int a = x + (x << 4);
  76   long long int b = a + (a << 8);
  77   long long int c = b + (b << 16);
  78   long long int d = c + (c << 32);
  79   return d;
  80 }