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author | Misha Brukman <brukman+llvm@gmail.com> | 2004-07-01 15:25:04 +0000 |
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committer | Misha Brukman <brukman+llvm@gmail.com> | 2004-07-01 15:25:04 +0000 |
commit | 6998517a9cac5f51bba6c02f09acee945ffb9c0f (patch) | |
tree | abeb5ab4095676ab7e7d59800df8e754faf52154 /docs | |
parent | f19aa2e67e67a70fb6f2089206701f6fca32ad4b (diff) | |
download | external_llvm-6998517a9cac5f51bba6c02f09acee945ffb9c0f.zip external_llvm-6998517a9cac5f51bba6c02f09acee945ffb9c0f.tar.gz external_llvm-6998517a9cac5f51bba6c02f09acee945ffb9c0f.tar.bz2 |
Fresh from the LLVM baker's oven: opt and analyze pods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14529 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r-- | docs/CommandGuide/analyze.pod | 78 | ||||
-rw-r--r-- | docs/CommandGuide/opt.pod | 99 |
2 files changed, 177 insertions, 0 deletions
diff --git a/docs/CommandGuide/analyze.pod b/docs/CommandGuide/analyze.pod new file mode 100644 index 0000000..3df0898 --- /dev/null +++ b/docs/CommandGuide/analyze.pod @@ -0,0 +1,78 @@ + +=pod + +=head1 NAME + +analyze - LLVM program analyzer + +=head1 SYNOPSIS + +analyze [options] [filename] + +=head1 DESCRIPTION + +The B<analyze> command performs various analysis of LLVM assembly +code or bytecode. It will usually print the results on standard +output, but in a few cases, it will print output to standard error +or generate a file with the analysis output, which is usually done +when the output is meant for another program. + +If filename is omitted or is I<->, B<analyze> reads its input from +standard input. It first attempts to interpret its input as LLVM +bytecode. If it encounters an error, it then attempts to parse the +input as LLVM assembly language. + +=head1 OPTIONS + +=over + +=item B<-help> + +Print a summary of command line options. + +=item B<-q> + +Quiet mode. With this option, analysis pass names are not printed. + +=item B<-load> I<plugin> + +Load the specified dynamic object with name I<plugin>. This file +should contain additional analysis passes that register themselves +with the B<analyze> program after being loaded. + +After being loaded, additional command line options are made +available for running the passes made available by I<plugin>. Use +B<analyze -load> I<plugin> B<-help> to see the new list of available +analysis passes. + +=item B<-profile-info-file> I<filename> + +Specify the name of the file loaded by the -profile-loader option. + +=item B<-stats> + +Print statistics. + +=item B<-time-passes> + +Record the amount of time needed for each pass and print it to standard +error. + +=back + +=head1 EXIT STATUS + +If B<analyze> succeeds, it will exit with 0. Otherwise, if an error +occurs, it will exit with a non-zero value. + +=head1 SEE ALSO + +L<opt> + +=head1 AUTHORS + +Maintained by the LLVM Team (L<http://llvm.cs.uiuc.edu>). + +=cut + + diff --git a/docs/CommandGuide/opt.pod b/docs/CommandGuide/opt.pod new file mode 100644 index 0000000..bd27ec1 --- /dev/null +++ b/docs/CommandGuide/opt.pod @@ -0,0 +1,99 @@ + +=pod + +=head1 NAME + +opt - LLVM optimizer + +=head1 SYNOPSIS + +opt [options] [filename] + +=head1 DESCRIPTION + +The B<opt> command is the modular LLVM optimizer. It takes LLVM +bytecode as input, runs the specified optimizations on it, and then +outputs the optimized LLVM bytecode. + +The optimizations available via B<opt> depend upon what libraries +were linked into it as well as any additional libraries that have +been loaded with the B<-load> option. Use the B<-help> option to +determine what optimizations you can use. + +If no filename is specified on the command line, B<opt> reads its +input from standard input. + +If an output filename is not specified with the B<-o> option, B<opt> +writes its output to the standard output. + +=head1 OPTIONS + +=over + +=item B<-f> + +Force overwrite. Normally, B<opt> will refuse to overwrite an +output file that already exists. With this option, B<opt> will +overwrite the output file and replace it with new bytecode. + +=item B<-help> + +Print a summary of command line options. + +=item B<-o> I<filename> + +Specify the output filename. + +=item B<-profile-info-file> I<filename> + +Specify the name of the file loaded by the -profile-loader option. + +=item B<-stats> + +Print statistics. + +=item B<-time-passes> + +Record the amount of time needed for each pass and print it to standard +error. + +=item B<-debug> + +If this is a debug build, this option will enable debug printouts +from passes which use the I<DEBUG()> macro. See the B<LLVM Programmer's +Manual>, section I<#DEBUG> for more information. + +=item B<-load>=I<plugin> + +Load the dynamic object I<plugin>. This object should register new +optimization passes. Once loaded, the object will add new command line +options to enable various optimizations. To see the new complete list +of optimizations, use the B<-help> and B<-load> options together: + +=over + +B<opt -load>=I<plugin> B<-help> + +=back + +=item B<-p> + +Print module after each transformation. + +=back + +=head1 EXIT STATUS + +If B<opt> succeeds, it will exit with 0. Otherwise, if an error +occurs, it will exit with a non-zero value. + +=head1 SEE ALSO + +L<analyze> + +=head1 AUTHORS + +Maintained by the LLVM Team (L<http://llvm.cs.uiuc.edu>). + +=cut + |