re PR tree-optimization/19951 (ICE in tree_split_edge, at tree-cfg.c:3199 with -ftree-vectorize)

        PR tree-optimization/19951
        * g++.dg/vect: New directory.
        * g++.dg/vect/vect.exp: New file.
        * g++.dg/vect/pr19951.cc: New testcase.
        * g++.dg/dg.exp: Also prune vectorizer tests.

From-SVN: r95309

gcc/testsuite/ChangeLog

+2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
+
+	PR tree-optimization/19951
+	* g++.dg/vect: New directory.
+	* g++.dg/vect/vect.exp: New file.
+	* g++.dg/vect/pr19951.cc: New testcase.
+	* g++.dg/dg.exp: Also prune vectorizer tests.
+
 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
 
 	PR 18785

gcc/testsuite/g++.dg/dg.exp

@@ -39,6 +39,7 @@ set tests [prune $tests $srcdir/$subdir/gcov/*]
 set tests [prune $tests $srcdir/$subdir/pch/*]
 set tests [prune $tests $srcdir/$subdir/special/*]
 set tests [prune $tests $srcdir/$subdir/tls/*]
+set tests [prune $tests $srcdir/$subdir/vect/*]
 
 # Main loop.
 dg-runtest $tests "" $DEFAULT_CXXFLAGS

gcc/testsuite/g++.dg/vect/pr19951.cc

+/* { dg-do compile } */
+
+struct A
+{
+    ~A();
+};
+
+void foo();
+
+void bar()
+{
+    A a;
+
+    foo();
+    for (;;)
+        foo();
+}

gcc/testsuite/g++.dg/vect/vect.exp

+#   Copyright (C) 2004 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+# GCC testsuite that uses the 'dg.exp' driver.
+
+# There's a bunch of headers we need.
+if [is_remote host] {
+    foreach header [glob -nocomplain $srcdir/$subdir/*.{h,def} ] {
+        remote_download host $header
+    }
+}
+
+# Load support procs.
+load_lib g++-dg.exp
+load_lib target-supports.exp
+
+# If the target system supports vector instructions, the default action
+# for a test is 'run', otherwise it's 'compile'.  Save current default.
+# Executing vector instructions on a system without hardware vector support
+# is also disabled by a call to check_vect, but disabling execution here is
+# more efficient.
+global dg-do-what-default
+set save-dg-do-what-default ${dg-do-what-default}
+
+# Set up flags used for tests that don't specify options.
+set DEFAULT_VECTCFLAGS ""
+
+# These flags are used for all targets.
+lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" \
+  "-ftree-vectorizer-verbose=3" "-fdump-tree-vect-stats"
+
+# Skip these tests for targets that do not support generating vector
+# code.  Set additional target-dependent vector flags, which can be
+# overridden by using dg-options in individual tests.
+if [istarget "powerpc*-*-*"] {
+    # If there are powerpc targets to skip, do it here.
+
+    lappend DEFAULT_VECTCFLAGS "-maltivec"
+    if [check_vmx_hw_available] {
+        set dg-do-what-default run
+    } else {
+        if [is-effective-target ilp32] {
+            # Specify a cpu that supports VMX for compile-only tests.
+            lappend DEFAULT_VECTCFLAGS "-mcpu=7400"
+        }
+        set dg-do-what-default compile
+    }
+} elseif { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } {
+    lappend DEFAULT_VECTCFLAGS "-msse2"
+    set dg-do-what-default run
+} elseif [istarget "mipsisa64*-*-*"] {
+    lappend DEFAULT_VECTCFLAGS "-mpaired-single"
+    set dg-do-what-default run
+} elseif [istarget "sparc*-*-*"] {
+    lappend DEFAULT_VECTCFLAGS "-mcpu=ultrasparc" "-mvis"
+    set dg-do-what-default run
+} elseif [istarget "alpha*-*-*"] {
+    lappend DEFAULT_VECTCFLAGS "-mmax"
+    if [check_alpha_max_hw_available] {
+        set dg-do-what-default run
+    } else {
+        set dg-do-what-default compile
+    }
+} elseif [istarget "ia64-*-*"] {
+    set dg-do-what-default run
+} else {
+    return
+}
+
+
+# Initialize `dg'.
+dg-init
+
+# Main loop.
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{c,cc,S} ]] \
+        "" $DEFAULT_VECTCFLAGS
+
+# Clean up.
+set dg-do-what-default ${save-dg-do-what-default} 
+
+# All done.
+dg-finish