Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/20030729-1.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-dom2 -std=gnu89" } */ extern void abort (void); union tree_node; typedef union tree_node *tree; enum tree_code { SET_TYPE, RECORD_TYPE, LAST_AND_UNUSED_TREE_CODE }; extern const char tree_code_type[]; struct tree_common { enum tree_code code:8; }; union tree_node { struct tree_common common; }; readonly_fields_p (type) tree type; { if (type->common.code != RECORD_TYPE) return; if (tree_code_type[type->common.code] != 't') abort (); return; } /* A good optimizer would realize that the cast to (unsigned int) is useless as the earlier cast of the same value of (unsigned char) will always produce the same result. */ /* { dg-final { scan-tree-dump-times "\\(unsigned int\\)" 0 "dom2"} } */ /* There should be one load of ->common.code. We currently fail this because we load from ->common.code using different types. */ /* { dg-final { scan-tree-dump-times "common\.code" 1 "dom2"} } */