62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-tree-dom2" } */
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struct rtx_def;
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typedef struct rtx_def *rtx;
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struct rtvec_def;
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typedef struct rtvec_def *rtvec;
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union tree_node;
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typedef union tree_node *tree;
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typedef struct mem_attrs
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{
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long alias;
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}
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mem_attrs;
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union rtunion_def
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{
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mem_attrs *rtmem;
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};
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typedef union rtunion_def rtunion;
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struct rtx_def
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{
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int code;
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rtunion fld[1];
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};
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struct tree_decl
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{
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rtx rtl;
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};
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union tree_node
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{
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struct tree_decl decl;
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};
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long
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get_alias_set (t)
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tree t;
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{
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if (t->decl.rtl != (void *) 0)
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return (((t->decl.rtl->fld[1]).rtmem) ==
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0 ? 0
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: ((((t->decl.
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rtl ? 0 : (make_decl_rtl (t, ((void *) 0)),
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t->decl.rtl)))->fld[1]).rtmem)->alias);
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}
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/* The calls to make_decl_rtl should be eliminated. */
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/* { dg-final { scan-tree-dump-not "make_decl_rtl \\(\\)" "dom2" } } */
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/* There should be two IF conditionals. */
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/* { dg-final { scan-tree-dump-times "if " 2 "dom2"} } */
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/* There should be one load of decl.rtl. */
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/* { dg-final { scan-tree-dump-times "decl\\.rtl" 1 "dom2"} } */
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/* There should be two loads of rtmem. */
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/* { dg-final { scan-tree-dump-times "rtmem" 2 "dom2"} } */
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/* There should be one load of alias. */
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/* { dg-final { scan-tree-dump-times "->alias" 1 "dom2"} } */
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/* { dg-final { cleanup-tree-dump "dom2" } } */
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