gcc/testsuite/gcc.dg/tree-ssa/pr63586-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ffast-math -fdump-tree-reassoc1" } */
   3
   4 float f1_float (float x, float z)
   5 {
   6     float y = x + z;
   7     y = y + x;
   8     y = y + x;
   9     y = y + x;
  10     y = y + x;
  11     y = y + x;
  12     y = y + x;
  13     y = y + x;
  14     return y;
  15 }
  16
  17 float f1_float2 (float x)
  18 {
  19     float y = x + 3 * x + x;
  20     return y;
  21 }
  22
  23 int f1_int (int x)
  24 {
  25     int y = x + 4 * x + x;
  26     return y;
  27 }
  28
  29 /* { dg-final { scan-tree-dump-times "\\\* 8\\\.0e\\\+0" 1 "reassoc1" } } */
  30 /* { dg-final { scan-tree-dump-times "\\\* 5\\\.0e\\\+0" 1 "reassoc1" } } */
  31 /* { dg-final { scan-tree-dump-times "\\\* 6" 1 "reassoc1" } } */
  32