Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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| 68:561a7518be6b | 111:04ced10e8804 |
|---|---|
| 1 /* { dg-do compile } */ | |
| 2 /* { dg-options "-O3 -fdisable-tree-evrp -fdisable-tree-cunrolli -fdisable-tree-vrp1 -fdump-tree-cunroll-blocks-details" } */ | |
| 3 | |
| 4 #if __SIZEOF_INT__ < 4 | |
| 5 __extension__ typedef __INT32_TYPE__ i32; | |
| 6 #else | |
| 7 typedef int i32; | |
| 8 #endif | |
| 9 | |
| 10 struct a {int a[8];int b;}; | |
| 11 void | |
| 12 t(struct a *a) | |
| 13 { | |
| 14 for (i32 i=0;i<123456 && a->a[i];i++) | |
| 15 a->a[i]++; | |
| 16 } | |
| 17 /* This pass relies on the fact that we do not eliminate the redundant test for i early. | |
| 18 It is necessary to disable all passes that do so. At the moment it is evrp, vrp1 and cunrolli. */ | |
| 19 /* { dg-final { scan-tree-dump-times "Loop 1 iterates 123454 times" 1 "cunroll" } } */ | |
| 20 /* { dg-final { scan-tree-dump-times "Last iteration exit edge was proved true" 1 "cunroll" } } */ | |
| 21 /* { dg-final { scan-tree-dump-times "Exit condition of peeled iterations was eliminated" 1 "cunroll" } } */ | |
| 22 /* { dg-final { scan-tree-dump-times "loop with 7 iterations completely unrolled" 1 "cunroll" } } */ | |
| 23 /* { dg-final { scan-tree-dump-not "Invalid sum" "cunroll" } } */ |