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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [20030807-1.c] - Rev 816
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/* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-dom2" } */ struct rtx_def; typedef struct rtx_def *rtx; union rtunion_def { int rtint; }; typedef union rtunion_def rtunion; struct rtx_def { rtunion fld[1]; }; static int *uid_cuid; static int max_uid_cuid; rtx bar (rtx r) { rtx place = r; if (place->fld[0].rtint <= max_uid_cuid && (place->fld[0].rtint > max_uid_cuid ? insn_cuid (place) : uid_cuid[place->fld[0].rtint])) return r; return 0; } /* There should be two IF conditionals. One tests <= max_uid_cuid, the other tets the value in uid_cuid. If either is false the jumps are threaded to the return 0. Which in turn means the path which combines the result of those two tests into a new test must always be true and it is optimized appropriately. */ /* { dg-final { scan-tree-dump-times "if " 2 "dom2"} } */ /* { dg-final { cleanup-tree-dump "dom2" } } */
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