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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [pr21417.c] - Rev 149
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-dom3-details" } */ struct tree_common { int code; }; union tree_node { struct tree_common common; }; typedef union tree_node *tree; extern tree test (tree, int, int); extern tree foo (void); extern void abort (void) __attribute__ ((__noreturn__)); tree test (tree expr, int t, int D17630) { int __i; L0: if (expr->common.code != 142) goto L23; else goto L2; L2: __i = 0; goto L10; L10: __i = __i + 1; if (D17630 != __i) goto L8; else goto L19; L8: if (t) goto L15; else goto L10; L15: expr = foo (); if (expr->common.code != 142) goto L23; else goto L0; L19: abort (); L23: return expr; } /* We should thread the backedge to the top of the loop; ie we only execute the if (expr->common.code != 142) test once per loop iteration. */ /* { dg-final { scan-tree-dump-times "Threaded jump" 1 "dom3" } } */ /* { dg-final { cleanup-tree-dump "dom3" } } */
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