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comparison gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-58.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* { dg-do run } */
2 /* { dg-require-effective-target int32plus } */
3 /* { dg-options "-O2 -fdump-tree-fre1" } */
4
5 long long int a = -465274079317386463LL;
6 int b = 856872806;
7 int c = -1940894202;
8 int d = 1718449211;
9 int e = -392681565;
10 unsigned long long int f = 13521452247506316486ULL;
11 int g = -13194608;
12
13 __attribute__((noinline, noclone))
14 void foo ()
15 {
16 if (!a - a)
17 c = b = 0;
18 else
19 d = 3UL * a == 0;
20 if (g / a)
21 e = 0 < -a + 500849970701012771LL + (unsigned long) -a;
22 else
23 f = 4081116982543369LL & a;
24 }
25
26 int
27 main ()
28 {
29 asm volatile ("" : : : "memory");
30 foo ();
31 if (f != 2818598057803777LL)
32 __builtin_abort ();
33 return 0;
34 }
35
36 /* Should CSE all loads of a. */
37 /* { dg-final { scan-tree-dump-times " = a;" 1 "fre1" } } */