modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/pr47428.c (about)

     1  /* PR tree-optimization/47428 */
     2  /* { dg-require-effective-target untyped_assembly } */
     3  
     4  struct S
     5  {
     6    int s;
     7  } a;
     8  int b;
     9  
    10  void bar (struct S);
    11  
    12  int
    13  baz (int x __attribute__((unused)), int y)
    14  {
    15    int i;
    16    for (i = 0; i < 1; i = 1)
    17      for (y = 0; y < 1; y = 1);
    18    return y;
    19  }
    20  
    21  void
    22  foo (void)
    23  {
    24    fn (0);
    25  }
    26  
    27  int
    28  fn (const int x, int y __attribute__((unused)))
    29  {
    30    if (baz (baz (0, x), 0))
    31      return 0;
    32    else
    33      bar (a);
    34    return 0;
    35  }
    36  
    37  void
    38  bar (struct S x)
    39  {
    40    for (;;)
    41      for (; x.s;)
    42        b = 0 ? : baz (0, 0);
    43  }