1 files changed, 0 insertions, 186 deletions
diff --git a/utils/RegressionFinder.pl b/utils/RegressionFinder.pl
deleted file mode 100755
index 86b0777..0000000
--- a/utils/RegressionFinder.pl
+++ /dev/null
@@ -1,186 +0,0 @@
-#! /usr/bin/perl
-# Script to find regressions by binary-searching a time interval in the
-# CVS tree.  Written by Brian Gaeke on 2-Mar-2004.
-#
-
-require 5.6.0;  # NOTE: This script not tested with earlier versions.
-use Getopt::Std;
-use POSIX;
-use Time::Local;
-use IO::Handle;
-
-sub usage {
-    print STDERR <<END;
-findRegression [-I] -w WTIME -d DTIME -t TOOLS -c SCRIPT
-
-The -w, -d, -t, and -c options are required.
-Run findRegression in the top level of an LLVM tree.
-WTIME is a time when you are sure the regression does NOT exist ("Works").
-DTIME is a time when you are sure the regression DOES exist ("Doesntwork").
-WTIME and DTIME are both in the format: "YYYY/MM/DD HH:MM".
--I means run builds at WTIME and DTIME first to make sure.
-TOOLS is a comma separated list of tools to rebuild before running SCRIPT.
-SCRIPT exits 1 if the regression is present in TOOLS; 0 otherwise.
-END
-    exit 1;
-}
-
-sub timeAsSeconds {
-    my ($timestr) = @_;
-
-    if ( $timestr =~ /(\d\d\d\d)\/(\d\d)\/(\d\d) (\d\d):(\d\d)/ ) {
-        my ( $year, $mon, $mday, $hour, $min ) = ( $1, $2, $3, $4, $5 );
-        return timegm( 0, $min, $hour, $mday, $mon - 1, $year );
-    }
-    else {
-        die "** Can't parse date + time: $timestr\n";
-    }
-}
-
-sub timeAsString {
-    my ($secs) = @_;
-    return strftime( "%Y/%m/%d %H:%M", gmtime($secs) );
-}
-
-sub run {
-    my ($cmdline) = @_;
-    print LOG "** Running: $cmdline\n";
-	return system($cmdline);
-}
-
-sub buildLibrariesAndTools {
-    run("sh /home/vadve/gaeke/scripts/run-configure");
-    run("$MAKE -C lib/Support");
-    run("$MAKE -C utils");
-    run("$MAKE -C lib");
-    foreach my $tool (@TOOLS) { run("$MAKE -C tools/$tool"); }
-}
-
-sub contains {
-    my ( $file, $regex ) = @_;
-    local (*FILE);
-    open( FILE, "<$file" ) or die "** can't read $file: $!\n";
-    while (<FILE>) {
-        if (/$regex/) {
-            close FILE;
-            return 1;
-        }
-    }
-    close FILE;
-    return 0;
-}
-
-sub updateSources {
-    my ($time) = @_;
-    my $inst = "include/llvm/Instruction.h";
-    unlink($inst);
-    run( "cvs update -D'" . timeAsString($time) . "'" );
-    if ( !contains( $inst, 'class Instruction.*Annotable' ) ) {
-        run("patch -F100 -p0 < makeInstructionAnnotable.patch");
-    }
-}
-
-sub regressionPresentAt {
-    my ($time) = @_;
-
-    updateSources($time);
-    buildLibrariesAndTools();
-    my $rc = run($SCRIPT);
-    if ($rc) {
-        print LOG "** Found that regression was PRESENT at "
-          . timeAsString($time) . "\n";
-        return 1;
-    }
-    else {
-        print LOG "** Found that regression was ABSENT at "
-          . timeAsString($time) . "\n";
-        return 0;
-    }
-}
-
-sub regressionAbsentAt {
-    my ($time) = @_;
-    return !regressionPresentAt($time);
-}
-
-sub closeTo {
-    my ( $time1, $time2 ) = @_;
-    return abs( $time1 - $time2 ) < 600;    # 10 minutes seems reasonable.
-}
-
-sub halfWayPoint {
-    my ( $time1, $time2 ) = @_;
-    my $halfSpan = int( abs( $time1 - $time2 ) / 2 );
-    if ( $time1 < $time2 ) {
-        return $time1 + $halfSpan;
-    }
-    else {
-        return $time2 + $halfSpan;
-    }
-}
-
-sub checkBoundaryConditions {
-    print LOG "** Checking for presence of regression at ", timeAsString($DTIME),
-      "\n";
-    if ( !regressionPresentAt($DTIME) ) {
-        die ( "** Can't help you; $SCRIPT says regression absent at dtime: "
-              . timeAsString($DTIME)
-              . "\n" );
-    }
-    print LOG "** Checking for absence of regression at ", timeAsString($WTIME),
-      "\n";
-    if ( !regressionAbsentAt($WTIME) ) {
-        die ( "** Can't help you; $SCRIPT says regression present at wtime: "
-              . timeAsString($WTIME)
-              . "\n" );
-    }
-}
-
-##############################################################################
-
-# Set up log files
-open (STDERR, ">&STDOUT") || die "** Can't redirect std.err: $!\n";
-autoflush STDOUT 1;
-autoflush STDERR 1;
-open (LOG, ">RegFinder.log") || die "** can't write RegFinder.log: $!\n";
-autoflush LOG 1;
-# Check command line arguments and environment variables
-getopts('Iw:d:t:c:');
-if ( !( $opt_w && $opt_d && $opt_t && $opt_c ) ) {
-    usage;
-}
-$MAKE  = $ENV{'MAKE'};
-$MAKE  = 'gmake' unless $MAKE;
-$WTIME = timeAsSeconds($opt_w);
-print LOG "** Assuming worked at ", timeAsString($WTIME), "\n";
-$DTIME = timeAsSeconds($opt_d);
-print LOG "** Assuming didn't work at ", timeAsString($DTIME), "\n";
-$opt_t =~ s/\s*//g;
-$SCRIPT = $opt_c;
-die "** $SCRIPT is not executable or not found\n" unless -x $SCRIPT;
-print LOG "** Checking for the regression using $SCRIPT\n";
-@TOOLS = split ( /,/, $opt_t );
-print LOG (
-    "** Going to rebuild: ",
-    ( join ", ", @TOOLS ),
-    " before each $SCRIPT run\n"
-);
-if ($opt_I) { checkBoundaryConditions(); }
-# do the dirty work:
-while ( !closeTo( $DTIME, $WTIME ) ) {
-    my $halfPt = halfWayPoint( $DTIME, $WTIME );
-    print LOG "** Checking whether regression is present at ",
-      timeAsString($halfPt), "\n";
-    if ( regressionPresentAt($halfPt) ) {
-        $DTIME = $halfPt;
-    }
-    else {
-        $WTIME = $halfPt;
-    }
-}
-# Tell them what we found
-print LOG "** Narrowed it down to:\n";
-print LOG "** Worked at: ",       timeAsString($WTIME), "\n";
-print LOG "** Did not work at: ", timeAsString($DTIME), "\n";
-close LOG;
-exit 0;