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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-25.c] - Rev 298
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/* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-profile" } */ int foo(void); void bla(void); void bar(void); void test1 (void) { unsigned i; /* Only one loop should be found here. */ i = 0; while (1) { i++; if (i == 100) break; if (foo ()) bla (); else bar (); } } void test2 (void) { unsigned i, j; /* Two loops should be found, in this case. */ i = j = 0; while (1) { j++; foo (); if (j < 100) continue; i++; j = 0; if (i == 100) break; } } void test3 (void) { unsigned i, j, k; /* Three loops. */ i = j = k = 0; while (1) { j++; foo (); if (j < 100) continue; j = 0; k++; if (k < 100) continue; k = 0; i++; if (i == 100) break; } } void test4 (void) { unsigned i, j, k; /* Two loops with a nested subloop. */ i = j = 0; while (1) { j++; foo (); for (k = 0; k < 100; k++) foo (); if (j < 100) continue; i++; j = 0; if (i == 100) break; } } void test5 (void) { unsigned i, j; /* Both subloop and non-subloop back edges. */ i = j = 0; while (1) { j++; foo (); if (j < 100) continue; j = 0; i++; if (i == 100) break; if (foo ()) bla (); else bar (); } } /* { dg-final { scan-tree-dump-times "Disambiguating loop" 5 "profile" } } */ /* For the following xfail marks, see PR35629. */ /* { dg-final { scan-tree-dump-times "Found latch edge" 5 "profile" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-times "Merged latch edges" 2 "profile" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-times "4 loops found" 2 "profile" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-times "3 loops found" 2 "profile" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-times "2 loops found" 1 "profile" { xfail *-*-* } } } */ /* { dg-final { cleanup-tree-dump "profile" } } */
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