gcc/testsuite/gcc.dg/tree-ssa/pr30314.c

   1 /* PR middle-end/30314 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4 /* { dg-final { scan-tree-dump-not "\.MUL_OVERFLOW " "optimized" } } */
   5 /* { dg-final { scan-tree-dump " > 122713351" "optimized" { target int32 } } } */
   6 /* { dg-final { scan-tree-dump " > 527049830677415760" "optimized" { target lp64 } } } */
   7 /* { dg-final { scan-tree-dump " > 102261126" "optimized" { target int32 } } } */
   8 /* { dg-final { scan-tree-dump " > 439208192231179800" "optimized" { target lp64 } } } */
   9
  10 __attribute__((noipa)) int
  11 foo (unsigned int x)
  12 {
  13   return __builtin_mul_overflow_p (x, 35U, 0U);
  14 }
  15
  16 __attribute__((noipa)) int
  17 bar (unsigned long int x)
  18 {
  19   return __builtin_mul_overflow_p (x, 35UL, 0UL);
  20 }
  21
  22 __attribute__((noipa)) int
  23 baz (unsigned int x)
  24 {
  25   return __builtin_mul_overflow_p (42, x, 0U);
  26 }
  27
  28 __attribute__((noipa)) int
  29 qux (unsigned long int x)
  30 {
  31   return __builtin_mul_overflow_p (42, x, 0UL);
  32 }