* ifcvt.c (find_cond_trap): Test for exit block.

From-SVN: r44009

* ifcvt.c (find_cond_trap): Test for exit block.
From-SVN: r44009
35cbdf6f · Richard Henderson · Richard Henderson · 1e5fd094 · 35cbdf6f · 35cbdf6f
Commit 35cbdf6f authored Jul 14, 2001 by Richard Henderson Committed by Richard Henderson Jul 14, 2001
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+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.

--- 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