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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [20041218-1.c] - Rev 378
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/* PR rtl-optimization/16968 */ /* Testcase by Jakub Jelinek <jakub@redhat.com> */ struct T { unsigned int b, c, *d; unsigned char e; }; struct S { unsigned int a; struct T f; }; struct U { struct S g, h; }; struct V { unsigned int i; struct U j; }; extern void exit (int); extern void abort (void); void * dummy1 (void *x) { return ""; } void * dummy2 (void *x, void *y) { exit (0); } struct V * baz (unsigned int x) { static struct V v; __builtin_memset (&v, 0x55, sizeof (v)); return &v; } int check (void *x, struct S *y) { if (y->a || y->f.b || y->f.c || y->f.d || y->f.e) abort (); return 1; } static struct V * bar (unsigned int x, void *y) { const struct T t = { 0, 0, (void *) 0, 0 }; struct V *u; void *v; v = dummy1 (y); if (!v) return (void *) 0; u = baz (sizeof (struct V)); u->i = x; u->j.g.a = 0; u->j.g.f = t; u->j.h.a = 0; u->j.h.f = t; if (!check (v, &u->j.g) || !check (v, &u->j.h)) return (void *) 0; return u; } int foo (unsigned int *x, unsigned int y, void **z) { void *v; unsigned int i, j; *z = v = (void *) 0; for (i = 0; i < y; i++) { struct V *c; j = *x; switch (j) { case 1: c = bar (j, x); break; default: c = 0; break; } if (c) v = dummy2 (v, c); else return 1; } *z = v; return 0; } int main (void) { unsigned int one = 1; void *p; foo (&one, 1, &p); abort (); }
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