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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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Rev 384 |
/* PR tree-optimization/19828 */
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/* PR tree-optimization/19828 */
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/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-tree-lim-details" } */
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/* { dg-options "-O1 -fdump-tree-lim-details" } */
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int cst_fun1 (int) __attribute__((__const__));
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int cst_fun1 (int) __attribute__((__const__));
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int cst_fun2 (int) __attribute__((__const__));
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int cst_fun2 (int) __attribute__((__const__));
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int pure_fun1 (int) __attribute__((__pure__));
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int pure_fun1 (int) __attribute__((__pure__));
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int pure_fun2 (int) __attribute__((__pure__));
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int pure_fun2 (int) __attribute__((__pure__));
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int foo (void);
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int foo (void);
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int xxx (void)
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int xxx (void)
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{
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{
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int i, k = foo (), x = 0;
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int i, k = foo (), x = 0;
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for (i = 0; i < 100; i++)
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for (i = 0; i < 100; i++)
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{
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{
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x += cst_fun1 (k);
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x += cst_fun1 (k);
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x += pure_fun1 (k);
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x += pure_fun1 (k);
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if (k)
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if (k)
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{
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{
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x += cst_fun2 (k);
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x += cst_fun2 (k);
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x += pure_fun2 (k);
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x += pure_fun2 (k);
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}
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}
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}
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}
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return x;
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return x;
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}
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}
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/* Calls to cst_fun1 and pure_fun1 may be moved out of the loop.
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/* Calls to cst_fun1 and pure_fun1 may be moved out of the loop.
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Calls to cst_fun2 and pure_fun2 should not be, since calling
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Calls to cst_fun2 and pure_fun2 should not be, since calling
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with k = 0 may be invalid. */
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with k = 0 may be invalid. */
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/* { dg-final { scan-tree-dump-times "Moving statement" 3 "lim1" } } */
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/* { dg-final { scan-tree-dump-times "Moving statement" 3 "lim1" } } */
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/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */
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/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */
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