Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-15.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-dse1-details" } */ void *foo (int *p) { void *q; /* We should be able to DSE this store (p may point to errno). */ *p = 0; q = __builtin_malloc (4); *p = 0; return q; } int j; void bar (int *i) { /* This store is dead as well. */ j = 1; *i = 0; j = 2; } /* { dg-final { scan-tree-dump-times "Deleted dead store" 2 "dse1" } } */