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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [flatten-3.c] - Rev 298
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/* { dg-do compile } */ /* { dg-options -O2 } */ extern void do_something_usefull(); /* Check that we finish compiling even if instructed to flatten a cyclic callgraph. Verify we correctly flatten with another function marked flatten in the callgraph. */ void __attribute__((flatten)) direct(void) { direct(); } void __attribute__((flatten)) indirect(void); static void indirect1(void) { indirect(); } void __attribute__((flatten)) indirect(void) { indirect1(); } void __attribute__((flatten)) doubleindirect(void); static void doubleindirect2(void) { doubleindirect(); do_something_usefull (); } static void doubleindirect1(void) { doubleindirect2(); } void __attribute__((flatten)) doubleindirect(void) { doubleindirect1(); } static void subcycle1(void); static void subcycle2(void) { subcycle1(); do_something_usefull (); } static void subcycle1(void) { subcycle2(); } void __attribute__((flatten)) subcycle(void) { subcycle1(); } static void doublesubcycle1(void); static void doublesubcycle2(void); static void doublesubcycle3(void) { doublesubcycle1(); do_something_usefull (); } static void doublesubcycle2(void) { doublesubcycle3(); } static void doublesubcycle1(void) { doublesubcycle2(); } void __attribute__((flatten)) doublesubcycle(void) { doublesubcycle1(); } /* { dg-final { scan-assembler "cycle\[123\]\[: \t\n\]" } } */