From de5f07bf6960e691e2d030ab536868492bc83bad Mon Sep 17 00:00:00 2001
From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sun, 15 Jul 2001 00:00:56 +0000
Subject: [PATCH] * ifcvt.c (find_cond_trap): Test for exit block.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44009 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 4 ++++
gcc/ifcvt.c | 5 +++++
2 files changed, 9 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bc4cfcffeda5..1d9c94dab2fb 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-04-14 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (find_cond_trap): Test for exit block.
+
Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
Re-install recently reverted patch.
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c
index 6196522d228e..d23fd3a76825 100644
--- a/gcc/ifcvt.c
+++ b/gcc/ifcvt.c
@@ -2018,6 +2018,11 @@ find_cond_trap (test_bb, then_edge, else_edge)
else
return FALSE;
+ /* Don't confuse a conditional return with something we want to
+ optimize here. */
+ if (trap_bb == EXIT_BLOCK_PTR)
+ return FALSE;
+
/* The only instruction in the THEN block must be the trap. */
trap = first_active_insn (trap_bb);
if (! (trap == trap_bb->end
--
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