Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/20030814-6.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 "-O1 -fno-tree-fre -fdump-tree-dom2" } */ extern void abort (void); union tree_node; typedef union tree_node *tree; enum tree_code { LAST_AND_UNUSED_TREE_CODE }; extern const char tree_code_type[]; struct tree_common { enum tree_code code:8; }; struct tree_type { struct tree_common common; double alias_set; }; union tree_node { struct tree_common common; struct tree_type type; }; long foo (t, set) tree t; double set; { if (tree_code_type[t->common.code] != 't') abort (); t->type.alias_set = set; if (t->common.code == 42) return 1; else return 0; } /* There should be precisely one load of common.code. If there is more than one, then the dominator optimizations failed. */ /* { dg-final { scan-tree-dump-times "common.code" 1 "dom2" } } */