From deeec83de4379e253af4f41eaaf8f45d4db17302 Mon Sep 17 00:00:00 2001
From: Richard Biener <rguenther@suse.de>
Date: Tue, 5 Mar 2019 14:57:12 +0000
Subject: [PATCH] re PR tree-optimization/89594 (ICE: Segmentation fault (in
gsi_for_stmt(gimple*)))
2019-03-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/89594
* tree-if-conv.c (pass_if_conversion::execute): Handle
case where .LOOP_VECTORIZED_FUNCTION was removed.
* gcc.dg/pr89594.c: New testcase.
From-SVN: r269389
---
gcc/ChangeLog | 6 ++++++
gcc/testsuite/ChangeLog | 5 +++++
gcc/testsuite/gcc.dg/pr89594.c | 24 ++++++++++++++++++++++++
gcc/tree-if-conv.c | 2 ++
4 files changed, 37 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/pr89594.c
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 788ce54da7f9..4fb2792c70de 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-03-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/89594
+ * tree-if-conv.c (pass_if_conversion::execute): Handle
+ case where .LOOP_VECTORIZED_FUNCTION was removed.
+
2019-03-05 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/89560
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a019b6202be1..529aa3cfd04d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-03-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/89594
+ * gcc.dg/pr89594.c: New testcase.
+
2019-03-05 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/89487
diff --git a/gcc/testsuite/gcc.dg/pr89594.c b/gcc/testsuite/gcc.dg/pr89594.c
new file mode 100644
index 000000000000..4039f735af80
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr89594.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-O -ftree-loop-if-convert -ftree-loop-vectorize -fno-tree-ch" } */
+
+int h3;
+
+void
+in (void)
+{
+ long int zr;
+ int ee = 0;
+
+ for (zr = 0; zr < 1; zr = h3)
+ {
+ ee = !!h3 ? zr : 0;
+
+ h3 = 0;
+ while (h3 < 0)
+ h3 = 0;
+ }
+
+ h3 = 0;
+ while (h3 < 1)
+ h3 = !!ee ? (!!h3 + 1) : 0;
+}
diff --git a/gcc/tree-if-conv.c b/gcc/tree-if-conv.c
index fe3cc0214b4c..ec2db007a616 100644
--- a/gcc/tree-if-conv.c
+++ b/gcc/tree-if-conv.c
@@ -3176,6 +3176,8 @@ pass_if_conversion::execute (function *fun)
for (unsigned i = 0; i < preds.length (); ++i)
{
gimple *g = preds[i];
+ if (!gimple_bb (g))
+ continue;
unsigned ifcvt_loop = tree_to_uhwi (gimple_call_arg (g, 0));
if (!get_loop (fun, ifcvt_loop))
{
--
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