Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/tree-ssa/loop-5.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 /* A test for induction variable merging. */ | |
| 2 | |
| 3 /* { dg-do compile } */ | |
| 4 /* { dg-options "-O1 -fdump-tree-optimized" } */ | |
| 5 | |
| 6 void foo(long); | |
| 7 | |
| 8 void xxx(void) | |
| 9 { | |
| 10 long iter, jter; | |
| 11 | |
| 12 for (iter = 0, jter = 2; iter < 100; iter++, jter++) | |
| 13 { | |
| 14 foo (iter); | |
| 15 foo (jter); | |
| 16 } | |
| 17 } | |
| 18 | |
| 19 /* Only iter variable should remain. */ | |
| 20 | |
| 21 /* { dg-final { scan-tree-dump-times "int jiter" 0 "optimized" } } */ | |
| 22 | |
| 23 /* And jter shouldn't be an induction variable anymore (no PHI node). */ | |
| 24 /* { dg-final { scan-tree-dump-times "jter_\[0-9\]* = PHI" 0 "optimized" } } */ | |
| 25 | |
| 26 /* And the use of jter should be replaced by iter + 2 */ | |
| 27 | |
| 28 /* { dg-final { scan-tree-dump-times " \\+ 2" 1 "optimized" } } */ | |
| 29 |