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Make block profiling the default

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add a new -function argument
Add a new -o argument to specify where to put llvmprof.out data


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11265 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-02-10 18:01:50 +00:00
parent ebd02a8cfa
commit b9f960e39d
1 changed files with 21 additions and 6 deletions
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27
utils/profile.pl
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@ -8,14 +8,19 @@
# Syntax: profile.pl [OPTIONS] bytecodefile <arguments> # Syntax: profile.pl [OPTIONS] bytecodefile <arguments>
# #
# OPTIONS may include one or more of the following: # OPTIONS may include one or more of the following:
# -block - Enable basic block level profiling # -block - Enable basicblock-level profiling
# -function - Enable function-level 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 # Any unrecognized options are passed into the invocation of llvm-prof
# #
my $ProfilePass = "-insert-function-profiling"; my $ProfilePass = "-insert-block-profiling";
my $LLVMProfOpts = ""; my $LLVMProfOpts = "";
my $ProgramOpts = "";
my $ProfileFile = "";
# Parse arguments... # Parse arguments...
while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) { while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) {
@ -24,12 +29,22 @@ while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) {
# List command line options here... # List command line options here...
if (/^-?-block$/) { $ProfilePass = "-insert-block-profiling"; next; } if (/^-?-block$/) { $ProfilePass = "-insert-block-profiling"; next; }
if (/^-?-function$/) { $ProfilePass = "-insert-function-profiling"; next; }
if (/^-?-o$/) { # Read -o filename...
die "-o option requires a filename argument!" if (!scalar(@ARGV));
$ProgramOpts .= " -llvmprof-output $ARGV[0]";
$ProfileFile = $ARGV[0];
shift;
next;
}
if (/^-?-help$/) { if (/^-?-help$/) {
print "OVERVIEW: profile.pl - Instrumentation and profile printer.\n\n"; print "OVERVIEW: profile.pl - Instrumentation and profile printer.\n\n";
print "USAGE: profile.pl [options] program.bc <program args>\n\n"; print "USAGE: profile.pl [options] program.bc <program args>\n\n";
print "OPTIONS:\n"; print "OPTIONS:\n";
print " -block - Enable basic block level profiling\n"; print " -block - Enable basicblock-level profiling\n";
print " -help - Print this usage information\n"; print " -function - Enable function-level 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"; print "\nAll other options are passed into llvm-prof.\n";
exit 1; exit 1;
} }
@ -51,6 +66,6 @@ chomp $LLIPath;
my $LibProfPath = $LLIPath . "/../../lib/Debug/libprofile_rt.so"; my $LibProfPath = $LLIPath . "/../../lib/Debug/libprofile_rt.so";
system "opt -q $ProfilePass < $BytecodeFile | lli -fake-argv0 '$BytecodeFile'" . system "opt -q $ProfilePass < $BytecodeFile | lli -fake-argv0 '$BytecodeFile'" .
" -load $LibProfPath - " . (join ' ', @ARGV); " -load $LibProfPath -$ProgramOpts " . (join ' ', @ARGV);
system "llvm-prof $LLVMProfOpts $BytecodeFile"; system "llvm-prof $LLVMProfOpts $BytecodeFile $ProfileFile";