mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 12:12:47 +01:00
76 lines
2.5 KiB
Perl
Executable File
76 lines
2.5 KiB
Perl
Executable File
#!/usr/bin/perl -w
|
|
#
|
|
# Program: profile.pl
|
|
#
|
|
# Synopsis: Insert instrumentation code into a program, run it with the JIT,
|
|
# then print out a profile report.
|
|
#
|
|
# Syntax: profile.pl [OPTIONS] bytecodefile <arguments>
|
|
#
|
|
# OPTIONS may include one or more of the following:
|
|
# -block - Enable basicblock profiling
|
|
# -edge - Enable edge profiling
|
|
# -function - Enable function profiling
|
|
# -o <filename> - Emit profiling information to the specified file, instead
|
|
# of llvmprof.out
|
|
#
|
|
# Any unrecognized options are passed into the invocation of llvm-prof
|
|
#
|
|
|
|
my $ProfilePass = "-insert-edge-profiling";
|
|
|
|
my $LLVMProfOpts = "";
|
|
my $ProgramOpts = "";
|
|
my $ProfileFile = "";
|
|
|
|
# Parse arguments...
|
|
while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) {
|
|
shift;
|
|
last if /^--$/; # Stop processing arguments on --
|
|
|
|
# List command line options here...
|
|
if (/^-?-block$/) { $ProfilePass = "-insert-block-profiling"; next; }
|
|
if (/^-?-edge$/) { $ProfilePass = "-insert-edge-profiling"; next; }
|
|
if (/^-?-function$/) { $ProfilePass = "-insert-function-profiling"; next; }
|
|
if (/^-?-o$/) { # Read -o filename...
|
|
die "-o option requires a filename argument!" if (!scalar(@ARGV));
|
|
$ProgramOpts .= " -llvmprof-output $ARGV[0]";
|
|
$ProfileFile = $ARGV[0];
|
|
shift;
|
|
next;
|
|
}
|
|
if (/^-?-help$/) {
|
|
print "OVERVIEW: profile.pl - Instrumentation and profile printer.\n\n";
|
|
print "USAGE: profile.pl [options] program.bc <program args>\n\n";
|
|
print "OPTIONS:\n";
|
|
print " -block - Enable basicblock profiling\n";
|
|
print " -edge - Enable edge profiling\n";
|
|
print " -function - Enable function profiling\n";
|
|
print " -o <file> - Specify an output file other than llvm-prof.out.\n";
|
|
print " -help - Print this usage information\n";
|
|
print "\nAll other options are passed into llvm-prof.\n";
|
|
exit 1;
|
|
}
|
|
|
|
# Otherwise, pass the option on to llvm-prof
|
|
$LLVMProfOpts .= " " . $_;
|
|
}
|
|
|
|
die "Must specify LLVM bytecode file as first argument!" if (@ARGV == 0);
|
|
|
|
my $BytecodeFile = $ARGV[0];
|
|
|
|
shift @ARGV;
|
|
|
|
my $LLIPath = `which lli`;
|
|
$LLIPath = `dirname $LLIPath`;
|
|
chomp $LLIPath;
|
|
|
|
my $LibProfPath = $LLIPath . "/../../Debug/lib/profile_rt.so";
|
|
|
|
system "opt -q -f $ProfilePass $BytecodeFile -o $BytecodeFile.inst";
|
|
system "lli -fake-argv0 '$BytecodeFile' -load $LibProfPath " .
|
|
"$BytecodeFile.inst $ProgramOpts " . (join ' ', @ARGV);
|
|
system "rm $BytecodeFile.inst";
|
|
system "llvm-prof $LLVMProfOpts $BytecodeFile $ProfileFile";
|