re PR bootstrap/50738 (Bootstrap failure at revision 180028 on powerpc-apple-darwin9)
PR bootstrap/50738 * ifcvt.c (dead_or_predicable): Revert accidental commit with HAVE_simple_return test. From-SVN: r180038
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2011-10-15 Alan Modra <amodra@gmail.com>
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PR bootstrap/50738
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* ifcvt.c (dead_or_predicable): Revert accidental commit with
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HAVE_simple_return test.
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2011-10-15 Alan Modra <amodra@gmail.com>
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* ifcvt.c (dead_or_predicable): Disable if-conversion when
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@ -4173,7 +4173,7 @@ dead_or_predicable (basic_block test_bb, basic_block merge_bb,
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register used to pass function parameters, which then must be
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saved in caller-saved regs. A caller-saved reg requires the
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prologue, killing a shrink-wrap opportunity. */
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if ((flag_shrink_wrap && HAVE_simple_return && !epilogue_completed)
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if ((flag_shrink_wrap && !epilogue_completed)
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&& ENTRY_BLOCK_PTR->next_bb == test_bb
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&& single_succ_p (new_dest)
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&& single_succ (new_dest) == EXIT_BLOCK_PTR
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