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[tail-merge] Don't merge bbs with bb_has_abnormal_pred
authorTom de Vries <tom@codesourcery.com>
Thu, 22 Mar 2018 10:21:12 +0000 (10:21 +0000)
committerTom de Vries <vries@gcc.gnu.org>
Thu, 22 Mar 2018 10:21:12 +0000 (10:21 +0000)
commit71b7c365f973b2a9c556f47290328805e886be31
treefee2be8174aac019903eac1f2898ac84c773bc75tree
parentf13ed3ed23d38d801223b20b2e01140183394477commit | diff
[tail-merge] Don't merge bbs with bb_has_abnormal_pred

2018-03-22  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/84956
* tree-ssa-tail-merge.c (find_clusters_1): Skip bbs with
bb_has_abnormal_pred.

* gcc.dg/pr84956.c: New test.

From-SVN: r258758
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/pr84956.c [new file with mode: 0644] blob
gcc/tree-ssa-tail-merge.c diff | blob | history