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comparison gcc/testsuite/gcc.dg/tree-ssa/pr21959.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 compile } */
2 /* { dg-options "-O2 -fdump-tree-vrp1" } */
3
4 unsigned char c[0xFF];
5 void f(void)
6 {
7 unsigned char i;
8 c[128] = 128;
9 i = 0;
10 while (1)
11 {
12 /* This predicate should not be folded out. */
13 if (((signed char) i) < 0) break;
14 c[i] = ' ';
15 i++;
16 }
17 }
18
19 /* { dg-final { scan-tree-dump-times "Folding predicate " 0 "vrp1" } } */