tree-cfg.c (gimple_merge_blocks): Updates bb count with max count.
2014-05-16 Dehao Chen <dehao@google.com> * tree-cfg.c (gimple_merge_blocks): Updates bb count with max count. From-SVN: r210538
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2014-05-16 Dehao Chen <dehao@google.com>
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* tree-cfg.c (gimple_merge_blocks): Updates bb count with max count.
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2014-05-16 Oleg Endo <olegendo@gcc.gnu.org>
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PR target/54089
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@ -1877,6 +1877,12 @@ gimple_merge_blocks (basic_block a, basic_block b)
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}
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}
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/* When merging two BBs, if their counts are different, the larger count
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is selected as the new bb count. This is to handle inconsistent
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profiles. */
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a->count = MAX (a->count, b->count);
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a->frequency = MAX (a->frequency, b->frequency);
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/* Merge the sequences. */
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last = gsi_last_bb (a);
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gsi_insert_seq_after (&last, bb_seq (b), GSI_NEW_STMT);
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