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ad910ebe70
$ profile.pl foo.bc <args> ... to instrument, run, then print a program profile! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9560 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1022 B
Perl
Executable File
45 lines
1022 B
Perl
Executable File
#!/usr/bin/perl -w
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#
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# Program: profile.pl
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#
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# Synopsis: Insert instrumentation code into a program, run it with the JIT,
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# then print out a profile report.
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#
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# Syntax: profile.pl [OPTIONS] bytecodefile <arguments>
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#
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# OPTIONS may include one or more of the following:
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# NONE SO FAR
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#
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#
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my $ProfilePass = "-insert-function-profiling";
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# Parse arguments...
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while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) {
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shift;
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last if /^--$/; # Stop processing arguments on --
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# List command line options here...
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#if (/^-enable-foo$/) { $FOO = 1; next; }
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print "Unknown option: $_ : ignoring!\n";
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}
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die "Must specify LLVM bytecode file as first argument!" if (@ARGV == 0);
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my $BytecodeFile = $ARGV[0];
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shift @ARGV;
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my $LLIPath = `which lli`;
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$LLIPath = `dirname $LLIPath`;
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chomp $LLIPath;
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my $LibProfPath = $LLIPath . "/../../lib/Debug/libprofile_rt.so";
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system "opt $ProfilePass < $BytecodeFile | lli -load $LibProfPath - " .
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(join ' ', @ARGV);
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system "llvm-prof $BytecodeFile";
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