gcc/testsuite/gcc.dg/pr67089-7.c

   1 /* PR target/67089 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -ftree-loop-if-convert -fdump-tree-widening_mul" } */
   4
   5 extern void abort (void);
   6
   7 int cnt, d;
   8 void foo (int x);
   9
  10 #define T(n, type, op, cond) \
  11 __attribute__((noinline, noclone))      \
  12 type                                    \
  13 f##n (type x, type y)                   \
  14 {                                       \
  15   type r = op;                          \
  16   cond;                                 \
  17   return r;                             \
  18 }
  19
  20 T (1, unsigned int, x - y, if (r >= x) foo (0))
  21 T (2, unsigned long, x - y, if (r < x) foo (0))
  22 T (3, unsigned short, x - y, if (x <= r) foo (r))
  23 T (4, unsigned long long, x - y, if (d || x > r) foo (0))
  24 T (5, unsigned int, x - y, if (d || r >= x) foo (0))
  25 T (6, unsigned long, x - y, if (d || r < x) foo (0))
  26 T (7, unsigned short, x - y, if (d || x <= r) foo (0))
  27 T (8, unsigned long long, x - y, if (d || x > r) foo (0))
  28 T (9, unsigned int, x - y, if (r > y) foo (0))
  29 T (10, unsigned long, x - y, if (r <= y) foo (0))
  30 T (11, unsigned short, x - y, if (y < r) foo (r))
  31 T (12, unsigned long long, x - y, if (y >= r) foo (0))
  32 T (13, unsigned int, x - y, if (r >= y) foo (0))
  33 T (14, unsigned long, x - y, if (r < y) foo (0))
  34 T (15, unsigned short, x - y, if (y <= r) foo (r))
  35 T (16, unsigned long long, x - y, if (d || y > r) foo (0))
  36 T (17, unsigned int, x - y, if (d || r > y) foo (0))
  37 T (18, unsigned long, x - y, if (d || r <= y) foo (0))
  38 T (19, unsigned char, x - y, if (d || y < r) foo (0))
  39 T (20, unsigned long long, x - y, if (d || y >= r) foo (0))
  40 T (21, unsigned int, x - y, if (d || r >= y) foo (0))
  41 T (22, unsigned long, x - y, if (d || r < y) foo (0))
  42 T (23, unsigned short, x - y, if (d || y <= r) foo (0))
  43 T (24, unsigned long long, x - y, if (d || y > r) foo (0))
  44 T (25, unsigned int, x + y, if (r > x) foo (0))
  45 T (26, unsigned long, x + y, if (r <= x) foo (0))
  46 T (27, unsigned short, x + y, if (x < r) foo (r))
  47 T (28, unsigned long long, x + y, if (x >= r) foo (0))
  48 T (29, unsigned int, x + y, if (d || r > x) foo (0))
  49 T (30, unsigned long, x + y, if (d || r <= x) foo (0))
  50 T (31, unsigned char, x + y, if (d || x < r) foo (0))
  51 T (32, unsigned long long, x + y, if (d || x >= r) foo (0))
  52 T (33, unsigned int, x + y, if (r > y) foo (0))
  53 T (34, unsigned long, x + y, if (r <= y) foo (0))
  54 T (35, unsigned short, x + y, if (y < r) foo (r))
  55 T (36, unsigned long long, x + y, if (y >= r) foo (0))
  56 T (37, unsigned int, x + y, if (d || r > y) foo (0))
  57 T (38, unsigned long, x + y, if (d || r <= y) foo (0))
  58 T (39, unsigned char, x + y, if (d || y < r) foo (0))
  59 T (40, unsigned long long, x + y, if (d || y >= r) foo (0))
  60
  61 /* { dg-final { scan-tree-dump-not "ADD_OVERFLOW" "widening_mul" } } */
  62 /* { dg-final { scan-tree-dump-not "SUB_OVERFLOW" "widening_mul" } } */