gcc/testsuite/gcc.dg/tree-ssa/pr97503.c

   1 /* PR tree-optimization/97503 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4 /* { dg-additional-options "-mbmi -mlzcnt" { target i?86-*-* x86_64-*-* } } */
   5 /* { dg-final { scan-tree-dump-times "\.CLZ" 2 "optimized" { target { { i?86-*-* x86_64-*-* aarch64-*-* powerpc*-*-* } && lp64 } } } } */
   6 /* { dg-final { scan-tree-dump-not "__builtin_clz" "optimized" { target { { i?86-*-* x86_64-*-* aarch64-*-* powerpc*-*-*} && lp64 } } } } */
   7 /* { dg-final { scan-tree-dump-not "PHI <" "optimized" { target { { i?86-*-* x86_64-*-* aarch64-*-* powerpc*-*-*} && lp64 } } } } */
   8
   9 int
  10 foo (int x)
  11 {
  12   return x ? __builtin_clz (x) : 32;
  13 }
  14
  15 int
  16 bar (unsigned long long x)
  17 {
  18   return x ? __builtin_clzll (x) : 64;
  19 }