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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-7.c] - Rev 12
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/* PR tree-optimization/19828 */ /* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-lim-details" } */ int cst_fun1 (int) __attribute__((__const__)); int cst_fun2 (int) __attribute__((__const__)); int pure_fun1 (int) __attribute__((__pure__)); int pure_fun2 (int) __attribute__((__pure__)); int foo (void); int xxx (void) { int i, k = foo (), x = 0; for (i = 0; i < 100; i++) { x += cst_fun1 (k); x += pure_fun1 (k); if (k) { x += cst_fun2 (k); x += pure_fun2 (k); } } return x; } /* Calls to cst_fun1 and pure_fun1 may be moved out of the loop. Calls to cst_fun2 and pure_fun2 should not be, since calling with k = 0 may be invalid. */ /* { dg-final { scan-tree-dump-times "Moving statement" 3 "lim" } } */ /* { dg-final { cleanup-tree-dump "lim" } } */