gcc/testsuite/gcc.dg/tree-ssa/phi-opt-25b.c

   1 /* PR tree-optimization/109702 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4
   5 /* Test to make sure unrelated arguments and comparisons
   6    don't get optimized incorrectly. */
   7
   8 __UINT16_TYPE__ test_bswap16(__UINT16_TYPE__ x, __UINT16_TYPE__ y)
   9 {
  10   return x ? __builtin_bswap16(y) : 0;
  11 }
  12
  13 __UINT32_TYPE__ test_bswap32(__UINT32_TYPE__ x, __UINT32_TYPE__ y)
  14 {
  15   return x ? __builtin_bswap32(y) : 0;
  16 }
  17
  18 __UINT64_TYPE__ test_bswap64(__UINT64_TYPE__ x, __UINT64_TYPE__ y)
  19 {
  20   return x ? __builtin_bswap64(y) : 0;
  21 }
  22
  23 int test_clrsb(int x, int y)
  24 {
  25   return x ? __builtin_clrsb(y) : (__SIZEOF_INT__*8-1);
  26 }
  27
  28 int test_clrsbl(long x, long y)
  29 {
  30   return x ? __builtin_clrsbl(y) : (__SIZEOF_LONG__*8-1);
  31 }
  32
  33 int test_clrsbll(long long x, long long y)
  34 {
  35   return x ? __builtin_clrsbll(y) : (__SIZEOF_LONG_LONG__*8-1);
  36 }
  37
  38 int test_parity(unsigned int x, unsigned int y)
  39 {
  40   return x ? __builtin_parity(y) : 0;
  41 }
  42
  43 int test_parityl(unsigned long x, unsigned long y)
  44 {
  45   return x ? __builtin_parityl(y) : 0;
  46 }
  47
  48 int test_parityll(unsigned long long x, unsigned long long y)
  49 {
  50   return x ? __builtin_parityll(y) : 0;
  51 }
  52
  53 int test_popcount(unsigned int x, unsigned int y)
  54 {
  55   return x ? __builtin_popcount(y) : 0;
  56 }
  57
  58 int test_popcountl(unsigned long x, unsigned long y)
  59 {
  60   return x ? __builtin_popcountl(y) : 0;
  61 }
  62
  63 int test_popcountll(unsigned long long x, unsigned long long y)
  64 {
  65   return x ? __builtin_popcountll(y) : 0;
  66 }
  67
  68 /* 4 types of functions, each with 3 types and there are 2 goto each */
  69 /* { dg-final { scan-tree-dump-times "goto " 24 "optimized" } } */
  70 /* { dg-final { scan-tree-dump-times "x_..D. != 0" 12 "optimized" } } */