X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=utils%2Fprofile.pl;h=782e5dc24d468e686dbada7cd30827adb3fedd7a;hb=1b0dc64919e947bb4f4677b138c734e33061f7c4;hp=f5a736399a747d70a9a39ff872152ee3c1f95a77;hpb=b9f960e39d50a30d86b16d52ef593ff6f444c5ce;p=oota-llvm.git diff --git a/utils/profile.pl b/utils/profile.pl index f5a736399a7..782e5dc24d4 100755 --- a/utils/profile.pl +++ b/utils/profile.pl @@ -5,18 +5,19 @@ # Synopsis: Insert instrumentation code into a program, run it with the JIT, # then print out a profile report. # -# Syntax: profile.pl [OPTIONS] bytecodefile +# Syntax: profile.pl [OPTIONS] bitcodefile # # OPTIONS may include one or more of the following: -# -block - Enable basicblock-level profiling -# -function - Enable function-level profiling +# -block - Enable basicblock profiling +# -edge - Enable edge profiling +# -function - Enable function profiling # -o - 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-block-profiling"; +my $ProfilePass = "-insert-edge-profiling"; my $LLVMProfOpts = ""; my $ProgramOpts = ""; @@ -28,7 +29,8 @@ while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) { last if /^--$/; # Stop processing arguments on -- # List command line options here... - if (/^-?-block$/) { $ProfilePass = "-insert-block-profiling"; next; } + if (/^-?-block$/) { $ProfilePass = "-insert-block-profiling"; next; } + if (/^-?-edge$/) { $ProfilePass = "-insert-edge-profiling"; next; } if (/^-?-function$/) { $ProfilePass = "-insert-function-profiling"; next; } if (/^-?-o$/) { # Read -o filename... die "-o option requires a filename argument!" if (!scalar(@ARGV)); @@ -41,8 +43,9 @@ while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) { print "OVERVIEW: profile.pl - Instrumentation and profile printer.\n\n"; print "USAGE: profile.pl [options] program.bc \n\n"; print "OPTIONS:\n"; - print " -block - Enable basicblock-level profiling\n"; - print " -function - Enable function-level profiling\n"; + print " -block - Enable basicblock profiling\n"; + print " -edge - Enable edge profiling\n"; + print " -function - Enable function profiling\n"; print " -o - Specify an output file other than llvm-prof.out.\n"; print " -help - Print this usage information\n"; print "\nAll other options are passed into llvm-prof.\n"; @@ -53,19 +56,19 @@ while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) { $LLVMProfOpts .= " " . $_; } -die "Must specify LLVM bytecode file as first argument!" if (@ARGV == 0); +die "Must specify LLVM bitcode file as first argument!" if (@ARGV == 0); my $BytecodeFile = $ARGV[0]; shift @ARGV; -my $LLIPath = `which lli`; -$LLIPath = `dirname $LLIPath`; -chomp $LLIPath; +my $libdir = `llvm-config --libdir`; +chomp $libdir; -my $LibProfPath = $LLIPath . "/../../lib/Debug/libprofile_rt.so"; - -system "opt -q $ProfilePass < $BytecodeFile | lli -fake-argv0 '$BytecodeFile'" . - " -load $LibProfPath -$ProgramOpts " . (join ' ', @ARGV); +my $LibProfPath = $libdir . "/libprofile_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";