gcc/testsuite/gcc.dg/tree-ssa/pr105832-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fdump-tree-optimized" } */
   3 /* PR tree-optimization/105832 */
   4
   5 void foo(void);
   6
   7 static struct {
   8     short a;
   9     signed char b;
  10 } c;
  11
  12 static signed char d;
  13
  14 int main() {
  15     signed char g = c.b > 4U ? c.b : c.b << 2;
  16     for (int h = 0; h < 5; h++) {
  17         d = (g >= 2 || 1 >> g) ? g : g << 1;
  18         if (d && 1 == g)
  19             foo();
  20         c.a = 0;
  21     }
  22 }
  23
  24 /* The call of foo should have been removed. */
  25 /* { dg-final { scan-tree-dump-not "foo " "optimized" } } */