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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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Rev 384 |
/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-tailc-details" } */
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/* { dg-options "-O2 -fdump-tree-tailc-details" } */
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/* Test provided by Richard Earnshaw in PR 14312. */
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/* Test provided by Richard Earnshaw in PR 14312. */
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void bar (int i);
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void bar (int i);
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void baz (int *);
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void baz (int *);
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void
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void
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foo (int *x)
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foo (int *x)
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{
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{
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if (*x < 0)
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if (*x < 0)
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{
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{
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baz (x);
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baz (x);
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return;
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return;
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}
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}
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bar (*x);
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bar (*x);
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}
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}
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/* The test has no local call-clobbered variables. Only the memory
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/* The test has no local call-clobbered variables. Only the memory
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tag for 'x' is call-clobbered. And since tags are not real
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tag for 'x' is call-clobbered. And since tags are not real
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variables, they ought to be ignored. There should be two tail
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variables, they ought to be ignored. There should be two tail
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calls here. */
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calls here. */
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/* { dg-final { scan-tree-dump-times "Found tail call" 2 "tailc"} } */
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/* { dg-final { scan-tree-dump-times "Found tail call" 2 "tailc"} } */
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/* { dg-final { cleanup-tree-dump "tailc" } } */
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/* { dg-final { cleanup-tree-dump "tailc" } } */
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