diff options
Diffstat (limited to 'docs/CommandGuide/man/man1/bugpoint.1')
-rw-r--r-- | docs/CommandGuide/man/man1/bugpoint.1 | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/docs/CommandGuide/man/man1/bugpoint.1 b/docs/CommandGuide/man/man1/bugpoint.1 new file mode 100644 index 0000000000..422be7a2ee --- /dev/null +++ b/docs/CommandGuide/man/man1/bugpoint.1 @@ -0,0 +1,240 @@ +.\" Automatically generated by Pod::Man v1.37, Pod::Parser v1.14 +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sh \" Subsection heading +.br +.if t .Sp +.ne 5 +.PP +\fB\\$1\fR +.PP +.. +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. | will give a +.\" real vertical bar. \*(C+ will give a nicer C++. Capital omega is used to +.\" do unbreakable dashes and therefore won't be available. \*(C` and \*(C' +.\" expand to `' in nroff, nothing in troff, for use with C<>. +.tr \(*W-|\(bv\*(Tr +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +'br\} +.\" +.\" If the F register is turned on, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.if \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. nr % 0 +. rr F +.\} +.\" +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.hy 0 +.if n .na +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. No user-serviceable parts. +. \" fudge factors for nroff and troff +.if n \{\ +. ds #H 0 +. ds #V .8m +. ds #F .3m +. ds #[ \f1 +. ds #] \fP +.\} +.if t \{\ +. ds #H ((1u-(\\\\n(.fu%2u))*.13m) +. ds #V .6m +. ds #F 0 +. ds #[ \& +. ds #] \& +.\} +. \" simple accents for nroff and troff +.if n \{\ +. ds ' \& +. ds ` \& +. ds ^ \& +. ds , \& +. ds ~ ~ +. ds / +.\} +.if t \{\ +. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" +. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' +. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' +. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' +. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' +. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' +.\} +. \" troff and (daisy-wheel) nroff accents +.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' +.ds 8 \h'\*(#H'\(*b\h'-\*(#H' +.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] +.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' +.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' +.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] +.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] +.ds ae a\h'-(\w'a'u*4/10)'e +.ds Ae A\h'-(\w'A'u*4/10)'E +. \" corrections for vroff +.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' +.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' +. \" for low resolution devices (crt and lpr) +.if \n(.H>23 .if \n(.V>19 \ +\{\ +. ds : e +. ds 8 ss +. ds o a +. ds d- d\h'-1'\(ga +. ds D- D\h'-1'\(hy +. ds th \o'bp' +. ds Th \o'LP' +. ds ae ae +. ds Ae AE +.\} +.rm #[ #] #H #V #F C +.\" ======================================================================== +.\" +.IX Title "BUGPOINT 1" +.TH BUGPOINT 1 "2006-09-13" "CVS" "LLVM Command Guide" +.SH "NAME" +bugpoint \- automatic test case reduction tool +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +\&\fBbugpoint\fR [\fIoptions\fR] [\fIinput \s-1LLVM\s0 ll/bc files\fR] [\fI\s-1LLVM\s0 passes\fR] \fB\-\-args\fR +\&\fIprogram arguments\fR +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\fBbugpoint\fR narrows down the source of problems in \s-1LLVM\s0 tools and passes. It +can be used to debug three types of failures: optimizer crashes, miscompilations +by optimizers, or bad native code generation (including problems in the static +and \s-1JIT\s0 compilers). It aims to reduce large test cases to small, useful ones. +For more information on the design and inner workings of \fBbugpoint\fR, as well as +advice for using bugpoint, see \fIllvm/docs/Bugpoint.html\fR in the \s-1LLVM\s0 +distribution. +.SH "OPTIONS" +.IX Header "OPTIONS" +.IP "\fB\-\-additional\-so\fR \fIlibrary\fR" 4 +.IX Item "--additional-so library" +Load the dynamic shared object \fIlibrary\fR into the test program whenever it is +run. This is useful if you are debugging programs which depend on non-LLVM +libraries (such as the X or curses libraries) to run. +.IP "\fB\-\-args\fR \fIprogram args\fR" 4 +.IX Item "--args program args" +Pass all arguments specified after \-args to the test program whenever it runs. +Note that if any of the \fIprogram args\fR start with a '\-', you should use: +.Sp +.Vb 1 +\& bugpoint [bugpoint args] --args -- [program args] +.Ve +.Sp +The \*(L"\-\-\*(R" right after the \fB\-\-args\fR option tells \fBbugpoint\fR to consider any +options starting with \f(CW\*(C`\-\*(C'\fR to be part of the \fB\-\-args\fR option, not as options to +\&\fBbugpoint\fR itself. +.IP "\fB\-\-tool\-args\fR \fItool args\fR" 4 +.IX Item "--tool-args tool args" +Pass all arguments specified after \-\-tool\-args to the \s-1LLVM\s0 tool under test +(\fBllc\fR, \fBlli\fR, etc.) whenever it runs. You should use this option in the +following way: +.Sp +.Vb 1 +\& bugpoint [bugpoint args] --tool-args -- [tool args] +.Ve +.Sp +The \*(L"\-\-\*(R" right after the \fB\-\-tool\-args\fR option tells \fBbugpoint\fR to consider any +options starting with \f(CW\*(C`\-\*(C'\fR to be part of the \fB\-\-tool\-args\fR option, not as +options to \fBbugpoint\fR itself. (See \fB\-\-args\fR, above.) +.IP "\fB\-\-check\-exit\-code\fR=\fI{true,false}\fR" 4 +.IX Item "--check-exit-code={true,false}" +Assume a non-zero exit code or core dump from the test program is a failure. +Defaults to true. +.IP "\fB\-\-disable\-{dce,simplifycfg}\fR" 4 +.IX Item "--disable-{dce,simplifycfg}" +Do not run the specified passes to clean up and reduce the size of the test +program. By default, \fBbugpoint\fR uses these passes internally when attempting to +reduce test programs. If you're trying to find a bug in one of these passes, +\&\fBbugpoint\fR may crash. +.IP "\fB\-find\-bugs\fR" 4 +.IX Item "-find-bugs" +Continually randomize the specified passes and run them on the test program +until a bug is found or the user kills \fBbugpoint\fR. +.IP "\fB\-\-help\fR" 4 +.IX Item "--help" +Print a summary of command line options. +.IP "\fB\-\-input\fR \fIfilename\fR" 4 +.IX Item "--input filename" +Open \fIfilename\fR and redirect the standard input of the test program, whenever +it runs, to come from that file. +.IP "\fB\-\-load\fR \fIplugin\fR" 4 +.IX Item "--load plugin" +Load the dynamic object \fIplugin\fR into \fBbugpoint\fR itself. 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 \fB\-\-help\fR and \fB\-\-load\fR options together; for example: +.Sp +.Vb 1 +\& bugpoint --load myNewPass.so --help +.Ve +.IP "\fB\-\-output\fR \fIfilename\fR" 4 +.IX Item "--output filename" +Whenever the test program produces output on its standard output stream, it +should match the contents of \fIfilename\fR (the \*(L"reference output\*(R"). If you +do not use this option, \fBbugpoint\fR will attempt to generate a reference output +by compiling the program with the C backend and running it. +.IP "\fB\-\-profile\-info\-file\fR \fIfilename\fR" 4 +.IX Item "--profile-info-file filename" +Profile file loaded by \fB\-\-profile\-loader\fR. +.IP "\fB\-\-run\-{int,jit,llc,cbe}\fR" 4 +.IX Item "--run-{int,jit,llc,cbe}" +Whenever the test program is compiled, \fBbugpoint\fR should generate code for it +using the specified code generator. These options allow you to choose the +interpreter, the \s-1JIT\s0 compiler, the static native code compiler, or the C +backend, respectively. +.IP "\fB\-\-enable\-valgrind\fR" 4 +.IX Item "--enable-valgrind" +Use valgrind to find faults in the optimization phase. This will allow +bugpoint to find otherwise asymptomatic problems caused by memory +mis\-management. +.SH "EXIT STATUS" +.IX Header "EXIT STATUS" +If \fBbugpoint\fR succeeds in finding a problem, it will exit with 0. Otherwise, +if an error occurs, it will exit with a non-zero value. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +opt +.SH "AUTHOR" +.IX Header "AUTHOR" +Maintained by the \s-1LLVM\s0 Team (<http://llvm.org>). |