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authorRichard Biener <rguenther@suse.de>2017-08-22 09:04:28 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2017-08-22 09:04:28 +0000
commit2df8ab3dbaa4f63708f3c53f1ac42a6f0e1f4a75 (patch)
treee5b55db7deb3805ae653abd644d8f40f66b2f040 /gcc/tree-cfg.c
parent1823c4f69ba4b5e59a460e8a3eb59dc345f24bc2 (diff)
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tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
2017-08-22 Richard Biener <rguenther@suse.de> * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes. From-SVN: r251264
Diffstat (limited to 'gcc/tree-cfg.c')
-rw-r--r--gcc/tree-cfg.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index f26b12f..6c355f1 100644
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -2844,10 +2844,11 @@ gimple_split_edge (edge edge_in)
new_bb = create_empty_bb (after_bb);
new_bb->frequency = EDGE_FREQUENCY (edge_in);
new_bb->count = edge_in->count;
- new_edge = make_single_succ_edge (new_bb, dest, EDGE_FALLTHRU);
e = redirect_edge_and_branch (edge_in, new_bb);
gcc_assert (e == edge_in);
+
+ new_edge = make_single_succ_edge (new_bb, dest, EDGE_FALLTHRU);
reinstall_phi_args (new_edge, e);
return new_bb;