From 8fb0ae8223ee3529675d2f66aa4ca94af776e943 Mon Sep 17 00:00:00 2001
From: Jan Hubicka <hubicka@ucw.cz>
Date: Fri, 16 Jun 2017 21:01:39 +0200
Subject: [PATCH] tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts):
Update profile.
* tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
profile.
(try_unroll_loop_completely): Fix reporting.
From-SVN: r249275
---
gcc/ChangeLog | 6 ++++++
gcc/tree-ssa-loop-ivcanon.c | 7 +++++--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index eb688d2f37be..44ef8579998e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-06-16 Jan Hubicka <hubicka@ucw.cz>
+
+ * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
+ profile.
+ (try_unroll_loop_completely): Fix reporting.
+
2017-06-16 Jan Hubicka <hubicka@ucw.cz>
* tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c
index f4ebe4837e09..82ad59c42530 100644
--- a/gcc/tree-ssa-loop-ivcanon.c
+++ b/gcc/tree-ssa-loop-ivcanon.c
@@ -529,6 +529,8 @@ remove_exits_and_undefined_stmts (struct loop *loop, unsigned int npeeled)
}
if (!loop_exit_edge_p (loop, exit_edge))
exit_edge = EDGE_SUCC (bb, 1);
+ exit_edge->probability = REG_BR_PROB_BASE;
+ exit_edge->count = exit_edge->src->count;
gcc_checking_assert (loop_exit_edge_p (loop, exit_edge));
gcond *cond_stmt = as_a <gcond *> (elt->stmt);
if (exit_edge->flags & EDGE_TRUE_VALUE)
@@ -853,8 +855,9 @@ try_unroll_loop_completely (struct loop *loop,
loop->num);
return false;
}
- dump_printf_loc (report_flags, locus,
- "loop turned into non-loop; it never loops.\n");
+ if (!n_unroll)
+ dump_printf_loc (report_flags, locus,
+ "loop turned into non-loop; it never loops.\n");
initialize_original_copy_tables ();
auto_sbitmap wont_exit (n_unroll + 1);
--
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