Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-14.c @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | 04ced10e8804 |
| children |
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| 111:04ced10e8804 | 131:84e7813d76e9 |
|---|---|
| 1 /* PR tree-optimization/29738. We used not to realize that "i" can never | |
| 2 become nonzero. */ | |
| 3 | |
| 4 /* { dg-do compile } */ | 1 /* { dg-do compile } */ |
| 5 /* { dg-options "-O2 -fdump-tree-optimized" } */ | 2 /* { dg-options "-O2 -fdump-tree-fre1 -fdump-tree-optimized" } */ |
| 6 | 3 |
| 7 int i; | 4 int i; |
| 8 | 5 |
| 9 void foo (void); | 6 void foo (void); |
| 10 void bar (void) | 7 void bar (void) |
| 14 for (j = 0; j < 10000; j++) | 11 for (j = 0; j < 10000; j++) |
| 15 if (i) | 12 if (i) |
| 16 foo (); | 13 foo (); |
| 17 } | 14 } |
| 18 | 15 |
| 19 /* Everything except for the "i = 0" assignment should get removed. */ | 16 /* Everything except for the "i = 0" assignment should get removed. Value |
| 20 /* { dg-final { scan-tree-dump-times "if" 0 "optimized" { xfail *-*-* } } } */ | 17 numbering already figures out the if in the loop is never true. */ |
| 18 /* { dg-final { scan-tree-dump-times "foo" 0 "fre1" } } */ | |
| 19 /* { dg-final { scan-tree-dump-times "if" 0 "optimized" } } */ |