blob: 9c2fe2350742ee3e41b161b226080af24371221b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
From f36b864c7d84b36883c6190c83b31c0a8c15172b Mon Sep 17 00:00:00 2001
From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 3 May 2019 11:22:33 +0000
Subject: [PATCH] 2019-05-03 Richard Biener <rguenther@suse.de>
PR tree-optimization/90316
* tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
before running VN.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@270849 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 6 ++++++
gcc/tree-ssa-pre.c | 1 +
2 files changed, 7 insertions(+)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-05-03 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/90316
+ * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
+ before running VN.
+
2019-05-03 Release Manager
* GCC 9.1.0 released.
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -4197,6 +4197,7 @@ pass_pre::execute (function *fun)
loop_optimizer_init (LOOPS_NORMAL);
split_critical_edges ();
scev_initialize ();
+ calculate_dominance_info (CDI_DOMINATORS);
run_rpo_vn (VN_WALK);
|
