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author	Jeff Law <law@redhat.com>
	Wed, 20 Nov 2013 01:55:17 +0000 (18:55 -0700)
committer	Jeff Law <law@gcc.gnu.org>
	Wed, 20 Nov 2013 01:55:17 +0000 (18:55 -0700)
commit	5f51d006610d5d74bda8f3f35eaba7ce8c0e90f1
tree	0201b6c20a42aa103d18e98486e543f4c3d753fa	tree
parent	2ed4d7ee3cc50b3ff1fd80eee9152450c0a37711	commit \| diff

tree-ssa-threadedge.c (thread_across_edge): After threading through a joiner...

* tree-ssa-threadedge.c (thread_across_edge): After threading
through a joiner, allow threading a normal block requiring
duplication.

* tree-ssa-threadupdate.c (thread_block_1): Improve code to detect
jump threading requests that would muck up the loop structures.

From-SVN: r205074

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/tree-ssa-threadedge.c		diff \| blob \| blame \| history
gcc/tree-ssa-threadupdate.c		diff \| blob \| blame \| history

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