From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 21 Feb 2017 16:56:11 +0000 (+0100)
Subject: re PR target/79570 (ICE in sel-sched-ir.c:4534 in pr69956.c)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d4cbfca47f47194a267f387c473416a62befb93b;p=gcc.git

re PR target/79570 (ICE in sel-sched-ir.c:4534 in pr69956.c)

	PR target/79570
	* sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
	on temporarily removed DEBUG_INSNs.

	* gcc.dg/pr79570.c: New test.

From-SVN: r245633
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0697aeccb9e..a58a516b774 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
 
+	PR target/79570
+	* sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
+	on temporarily removed DEBUG_INSNs.
+
 	PR tree-optimization/79649
 	* tree-loop-distribution.c (classify_partition): Give up on
 	non-generic address space loads/stores.
diff --git a/gcc/sel-sched.c b/gcc/sel-sched.c
index 4e9c68f5a38..708d0887e77 100644
--- a/gcc/sel-sched.c
+++ b/gcc/sel-sched.c
@@ -2529,6 +2529,7 @@ moveup_expr_cached (expr_t expr, insn_t insn, bool inside_insn_group)
     }
 
   if (DEBUG_INSN_P (EXPR_INSN_RTX (expr))
+      && BLOCK_FOR_INSN (EXPR_INSN_RTX (expr))
       && (sel_bb_head (BLOCK_FOR_INSN (EXPR_INSN_RTX (expr)))
 	  == EXPR_INSN_RTX (expr)))
     /* Don't use cached information for debug insns that are heads of
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c432fb0f0c6..f6f2e373347 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
 
+	PR target/79570
+	* gcc.dg/pr79570.c: New test.
+
 	PR c++/79641
 	* c-c++-common/pr79641.c: New test.
 
diff --git a/gcc/testsuite/gcc.dg/pr79570.c b/gcc/testsuite/gcc.dg/pr79570.c
new file mode 100644
index 00000000000..00841b9487a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr79570.c
@@ -0,0 +1,6 @@
+/* PR target/79570 */
+/* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -fselective-scheduling2 -fvar-tracking-assignments" } */
+/* { dg-warning "changes selective scheduling" "" { target *-*-* } 0 } */
+
+#include "pr69956.c"