1 files changed, 74 insertions, 0 deletions
diff --git a/gcc/testsuite/lib/prune.exp b/gcc/testsuite/lib/prune.exp
new file mode 100644
index 000000000..093d4f708
--- /dev/null
+++ b/gcc/testsuite/lib/prune.exp
@@ -0,0 +1,74 @@
+#   Copyright (C) 1997, 1999, 2000, 2002, 2004, 2007, 2008, 2010
+#   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 3 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 GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# Prune messages from gcc that aren't useful.
+
+proc prune_gcc_output { text } {
+    #send_user "Before:$text\n"
+
+    regsub -all "(^|\n)(\[^\n\]*: )?In ((static member |lambda )?function|member|method|(copy )?constructor|destructor|instantiation|program|subroutine|block-data)\[^\n\]*" $text "" text
+    regsub -all "(^|\n)\[^\n\]*(: )?At (top level|global scope):\[^\n\]*" $text "" text
+    regsub -all "(^|\n)\[^\n\]*:   (recursively )?instantiated from \[^\n\]*" $text "" text
+    regsub -all "(^|\n)\[^\n\]*:   . skipping \[0-9\]* instantiation contexts \[^\n\]*" $text "" text
+    regsub -all "(^|\n)    inlined from \[^\n\]*" $text "" text
+    regsub -all "(^|\n)collect2: ld returned \[^\n\]*" $text "" text
+    regsub -all "(^|\n)collect: re(compiling|linking)\[^\n\]*" $text "" text
+    regsub -all "(^|\n)Please submit.*instructions\[^\n\]*" $text "" text
+    regsub -all "(^|\n)\[0-9\]\[0-9\]* errors\." $text "" text
+
+    # Ignore informational notes.
+    regsub -all "(^|\n)\[^\n\]*: note: \[^\n\]*" $text "" text
+
+    # Ignore harmless -fpic warnings.
+    regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC) ignored for target\[^\n\]*" $text "" text
+    regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC)( and -fpic are| is)? not supported\[^\n\]*" $text "" text
+
+    # Ignore errata warning from IA64 assembler.
+    regsub -all "(^|\n)\[^\n\]*: Additional NOP may be necessary to workaround Itanium processor A/B step errata" $text "" text
+    regsub -all "(^|\n)\[^\n*\]*: Assembler messages:\[^\n\]*" $text "" text
+
+    # Ignore second line of IRIX 6 linker multiline message.
+    regsub -all "(^|\n)\[ \t\]*that might degrade performance on an older version \\(rev. 2.2\\) R4000 processor.\[^\n\]*" $text "" text
+
+    # Ignore harmless VTA note.
+    regsub -all "(^|\n)\[^\n\]*: note: variable tracking size limit exceeded with -fvar-tracking-assignments, retrying without\[^\n\]*" $text "" text
+
+    # It would be nice to avoid passing anything to gcc that would cause it to
+    # issue these messages (since ignoring them seems like a hack on our part),
+    # but that's too difficult in the general case.  For example, sometimes
+    # you need to use -B to point gcc at crt0.o, but there are some targets
+    # that don't have crt0.o.
+    regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
+    regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
+
+    # Ignore harmless warnings from Xcode 3.2.x.
+    regsub -all "(^|\n)\[^\n\]*ld: warning: can't add line info to anonymous symbol\[^\n\]*" $text "" text
+    regsub -all "(^|\n)\[^\n\]*warning: DWARFDebugInfoEntry::AppendDependants\[^\n\]*AT_\[^\n\]*_bound\[^\n\]*FORM_ref4\[^\n\]*" $text "" text
+    regsub -all "(^|\n)\[^\n\]*warning:\[^\n\]*TAG_variable:  AT_location\[^\n\]*didn't have valid function low pc\[^\n\]*" $text "" text
+    
+    #send_user "After:$text\n"
+
+    return $text
+}
+
+# Provide a definition of this if missing (delete after next dejagnu release).
+
+if { [info procs prune_warnings] == "" } then {
+    proc prune_warnings { text } {
+	return $text
+    }
+}