Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/20030709-2.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 "-O -fdump-tree-dce3" } */ struct rtx_def; typedef struct rtx_def *rtx; union tree_node; typedef union tree_node *tree; typedef struct mem_attrs { int foo; } mem_attrs; union rtunion_def { mem_attrs *rtmem; }; typedef union rtunion_def rtunion; struct rtx_def { rtunion fld[1]; }; struct tree_decl { rtx rtl; }; union tree_node { struct tree_decl decl; }; int make_decl_rtl (tree, int); void * get_alias_set (t) tree t; { long set; if (t->decl.rtl) return (t->decl.rtl->fld[1].rtmem ? 0 : (((t->decl.rtl ? t->decl.rtl: (make_decl_rtl (t, 0), t->decl.rtl)))->fld[1]).rtmem); return (void*)-1; } /* There should be precisely one load of ->decl.rtl. If there is more than, then the dominator optimizations failed. */ /* { dg-final { scan-tree-dump-times "->decl\\.rtl" 1 "dce3"} } */ /* There should be no loads of .rtmem since the complex return statement is just "return 0". */ /* { dg-final { scan-tree-dump-times ".rtmem" 0 "dce3"} } */ /* There should be one IF statement (the complex return statement should collapse down to a simple return 0 without any conditionals). */ /* { dg-final { scan-tree-dump-times "if " 1 "dce3"} } */