Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/pr68234.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-vrp2" } */ extern int nc; void ff (unsigned long long); void f (void) { unsigned char resp[1024]; int c; int bl = 0; unsigned long long *dwords = (unsigned long long *) (resp + 5); for (c = 0; c < nc; c++) { /* PR middle-end/68234, this signed division should be optimized into right shift as vrp pass should deduct range info of 'bl' falls into positive number. */ ff (dwords[bl / 64]); bl++; } } /* { dg-final { scan-tree-dump ">> 6" "vrp2" } } */