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diff --git a/docs/CommandGuide/man/man1/llvm-bcanalyzer.1 b/docs/CommandGuide/man/man1/llvm-bcanalyzer.1 new file mode 100644 index 0000000000..eeb6270fd3 --- /dev/null +++ b/docs/CommandGuide/man/man1/llvm-bcanalyzer.1 @@ -0,0 +1,370 @@ +.\" 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 "LLVM-BCANALYZER 1" +.TH LLVM-BCANALYZER 1 "2006-03-13" "CVS" "LLVM Command Guide" +.SH "NAME" +llvm\-bcanalyzer \- LLVM bytecode analyzer +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +\&\fBllvm-bcanalyzer\fR [\fIoptions\fR] [\fIfilename\fR] +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +The \fBllvm-bcanalyzer\fR command is a small utility for analyzing bytecode files. +The tool reads a bytecode file (such as generated with the \fBllvm-as\fR tool) and +produces a statistical report on the contents of the byteocde file. The tool +can also dump a low level but human readable version of the bytecode file. +This tool is probably not of much interest or utility except for those working +directly with the bytecode file format. Most \s-1LLVM\s0 users can just ignore +this tool. +.PP +If \fIfilename\fR is omitted or is \f(CW\*(C`\-\*(C'\fR, then \fBllvm-bcanalyzer\fR reads its input +from standard input. This is useful for combining the tool into a pipeline. +Output is written to the standard output. +.SH "OPTIONS" +.IX Header "OPTIONS" +.IP "\fB\-nodetails\fR" 4 +.IX Item "-nodetails" +Causes \fBllvm-bcanalyzer\fR to abbreviate its output by writing out only a module +level summary. The details for individual functions are not displayed. +.IP "\fB\-dump\fR" 4 +.IX Item "-dump" +Causes \fBllvm-bcanalyzer\fR to dump the bytecode in a human readable format. This +format is significantly different from \s-1LLVM\s0 assembly and provides details about +the encoding of the bytecode file. +.IP "\fB\-verify\fR" 4 +.IX Item "-verify" +Causes \fBllvm-bcanalyzer\fR to verify the module produced by reading the +bytecode. This ensures that the statistics generated are based on a consistent +module. +.IP "\fB\-\-help\fR" 4 +.IX Item "--help" +Print a summary of command line options. +.SH "EXIT STATUS" +.IX Header "EXIT STATUS" +If \fBllvm-bcanalyzer\fR succeeds, it will exit with 0. Otherwise, if an error +occurs, it will exit with a non-zero value, usually 1. +.SH "SUMMARY OUTPUT DEFINITIONS" +.IX Header "SUMMARY OUTPUT DEFINITIONS" +The following items are always printed by llvm\-bcanalyzer. They comprize the +summary output. +.IP "\fBBytecode Analysis Of Module\fR" 4 +.IX Item "Bytecode Analysis Of Module" +This just provides the name of the module for which bytecode analysis is being +generated. +.IP "\fBBytecode Version Number\fR" 4 +.IX Item "Bytecode Version Number" +The bytecode version (not \s-1LLVM\s0 version) of the file read by the analyzer. +.IP "\fBFile Size\fR" 4 +.IX Item "File Size" +The size, in bytes, of the entire bytecode file. +.IP "\fBModule Bytes\fR" 4 +.IX Item "Module Bytes" +The size, in bytes, of the module block. Percentage is relative to File Size. +.IP "\fBFunction Bytes\fR" 4 +.IX Item "Function Bytes" +The size, in bytes, of all the function blocks. Percentage is relative to File +Size. +.IP "\fBGlobal Types Bytes\fR" 4 +.IX Item "Global Types Bytes" +The size, in bytes, of the Global Types Pool. Percentage is relative to File +Size. This is the size of the definitions of all types in the bytecode file. +.IP "\fBConstant Pool Bytes\fR" 4 +.IX Item "Constant Pool Bytes" +The size, in bytes, of the Constant Pool Blocks Percentage is relative to File +Size. +.IP "\fBModule Globals Bytes\fR" 4 +.IX Item "Module Globals Bytes" +Ths size, in bytes, of the Global Variable Definitions and their initializers. +Percentage is relative to File Size. +.IP "\fBInstruction List Bytes\fR" 4 +.IX Item "Instruction List Bytes" +The size, in bytes, of all the instruction lists in all the functions. +Percentage is relative to File Size. Note that this value is also included in +the Function Bytes. +.IP "\fBCompaction Table Bytes\fR" 4 +.IX Item "Compaction Table Bytes" +The size, in bytes, of all the compaction tables in all the functions. +Percentage is relative to File Size. Note that this value is also included in +the Function Bytes. +.IP "\fBSymbol Table Bytes\fR" 4 +.IX Item "Symbol Table Bytes" +The size, in bytes, of all the symbol tables in all the functions. Percentage is +relative to File Size. Note that this value is also included in the Function +Bytes. +.IP "\fBDependent Libraries Bytes\fR" 4 +.IX Item "Dependent Libraries Bytes" +The size, in bytes, of the list of dependent libraries in the module. Percentage +is relative to File Size. Note that this value is also included in the Module +Global Bytes. +.IP "\fBNumber Of Bytecode Blocks\fR" 4 +.IX Item "Number Of Bytecode Blocks" +The total number of blocks of any kind in the bytecode file. +.IP "\fBNumber Of Functions\fR" 4 +.IX Item "Number Of Functions" +The total number of function definitions in the bytecode file. +.IP "\fBNumber Of Types\fR" 4 +.IX Item "Number Of Types" +The total number of types defined in the Global Types Pool. +.IP "\fBNumber Of Constants\fR" 4 +.IX Item "Number Of Constants" +The total number of constants (of any type) defined in the Constant Pool. +.IP "\fBNumber Of Basic Blocks\fR" 4 +.IX Item "Number Of Basic Blocks" +The total number of basic blocks defined in all functions in the bytecode file. +.IP "\fBNumber Of Instructions\fR" 4 +.IX Item "Number Of Instructions" +The total number of instructions defined in all functions in the bytecode file. +.IP "\fBNumber Of Long Instructions\fR" 4 +.IX Item "Number Of Long Instructions" +The total number of long instructions defined in all functions in the bytecode +file. Long instructions are those taking greater than 4 bytes. Typically long +instructions are GetElementPtr with several indices, \s-1PHI\s0 nodes, and calls to +functions with large numbers of arguments. +.IP "\fBNumber Of Operands\fR" 4 +.IX Item "Number Of Operands" +The total number of operands used in all instructions in the bytecode file. +.IP "\fBNumber Of Compaction Tables\fR" 4 +.IX Item "Number Of Compaction Tables" +The total number of compaction tables in all functions in the bytecode file. +.IP "\fBNumber Of Symbol Tables\fR" 4 +.IX Item "Number Of Symbol Tables" +The total number of symbol tables in all functions in the bytecode file. +.IP "\fBNumber Of Dependent Libs\fR" 4 +.IX Item "Number Of Dependent Libs" +The total number of dependent libraries found in the bytecode file. +.IP "\fBTotal Instruction Size\fR" 4 +.IX Item "Total Instruction Size" +The total size of the instructions in all functions in the bytecode file. +.IP "\fBAverage Instruction Size\fR" 4 +.IX Item "Average Instruction Size" +The average number of bytes per instruction across all functions in the bytecode +file. This value is computed by dividing Total Instruction Size by Number Of +Instructions. +.IP "\fBMaximum Type Slot Number\fR" 4 +.IX Item "Maximum Type Slot Number" +The maximum value used for a type's slot number. Larger slot number values take +more bytes to encode. +.IP "\fBMaximum Value Slot Number\fR" 4 +.IX Item "Maximum Value Slot Number" +The maximum value used for a value's slot number. Larger slot number values take +more bytes to encode. +.IP "\fBBytes Per Value\fR" 4 +.IX Item "Bytes Per Value" +The average size of a Value definition (of any type). This is computed by +dividing File Size by the total number of values of any type. +.IP "\fBBytes Per Global\fR" 4 +.IX Item "Bytes Per Global" +The average size of a global definition (constants and global variables). +.IP "\fBBytes Per Function\fR" 4 +.IX Item "Bytes Per Function" +The average number of bytes per function definition. This is computed by +dividing Function Bytes by Number Of Functions. +.IP "\fB# of \s-1VBR\s0 32\-bit Integers\fR" 4 +.IX Item "# of VBR 32-bit Integers" +The total number of 32\-bit integers encoded using the Variable Bit Rate +encoding scheme. +.IP "\fB# of \s-1VBR\s0 64\-bit Integers\fR" 4 +.IX Item "# of VBR 64-bit Integers" +The total number of 64\-bit integers encoded using the Variable Bit Rate encoding +scheme. +.IP "\fB# of \s-1VBR\s0 Compressed Bytes\fR" 4 +.IX Item "# of VBR Compressed Bytes" +The total number of bytes consumed by the 32\-bit and 64\-bit integers that use +the Variable Bit Rate encoding scheme. +.IP "\fB# of \s-1VBR\s0 Expanded Bytes\fR" 4 +.IX Item "# of VBR Expanded Bytes" +The total number of bytes that would have been consumed by the 32\-bit and 64\-bit +integers had they not been compressed with the Variable Bit Rage encoding +scheme. +.IP "\fBBytes Saved With \s-1VBR\s0\fR" 4 +.IX Item "Bytes Saved With VBR" +The total number of bytes saved by using the Variable Bit Rate encoding scheme. +The percentage is relative to # of \s-1VBR\s0 Expanded Bytes. +.SH "DETAILED OUTPUT DEFINITIONS" +.IX Header "DETAILED OUTPUT DEFINITIONS" +The following definitions occur only if the \-nodetails option was not given. +The detailed output provides additional information on a per-function basis. +.IP "\fBType\fR" 4 +.IX Item "Type" +The type signature of the function. +.IP "\fBByte Size\fR" 4 +.IX Item "Byte Size" +The total number of bytes in the function's block. +.IP "\fBBasic Blocks\fR" 4 +.IX Item "Basic Blocks" +The number of basic blocks defined by the function. +.IP "\fBInstructions\fR" 4 +.IX Item "Instructions" +The number of instructions defined by the function. +.IP "\fBLong Instructions\fR" 4 +.IX Item "Long Instructions" +The number of instructions using the long instruction format in the function. +.IP "\fBOperands\fR" 4 +.IX Item "Operands" +The number of operands used by all instructions in the function. +.IP "\fBInstruction Size\fR" 4 +.IX Item "Instruction Size" +The number of bytes consumed by instructions in the function. +.IP "\fBAverage Instruction Size\fR" 4 +.IX Item "Average Instruction Size" +The average number of bytes consumed by the instructions in the funtion. This +value is computed by dividing Instruction Size by Instructions. +.IP "\fBBytes Per Instruction\fR" 4 +.IX Item "Bytes Per Instruction" +The average number of bytes used by the function per instruction. This value is +computed by dividing Byte Size by Instructions. Note that this is not the same +as Average Instruction Size. It computes a number relative to the total function +size not just the size of the instruction list. +.IP "\fBNumber of \s-1VBR\s0 32\-bit Integers\fR" 4 +.IX Item "Number of VBR 32-bit Integers" +The total number of 32\-bit integers found in this function (for any use). +.IP "\fBNumber of \s-1VBR\s0 64\-bit Integers\fR" 4 +.IX Item "Number of VBR 64-bit Integers" +The total number of 64\-bit integers found in this function (for any use). +.IP "\fBNumber of \s-1VBR\s0 Compressed Bytes\fR" 4 +.IX Item "Number of VBR Compressed Bytes" +The total number of bytes in this function consumed by the 32\-bit and 64\-bit +integers that use the Variable Bit Rate encoding scheme. +.IP "\fBNumber of \s-1VBR\s0 Expanded Bytes\fR" 4 +.IX Item "Number of VBR Expanded Bytes" +The total number of bytes in this function that would have been consumed by +the 32\-bit and 64\-bit integers had they not been compressed with the Variable +Bit Rate encoding scheme. +.IP "\fBBytes Saved With \s-1VBR\s0\fR" 4 +.IX Item "Bytes Saved With VBR" +The total number of bytes saved in this function by using the Variable Bit +Rate encoding scheme. The percentage is relative to # of \s-1VBR\s0 Expanded Bytes. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +llvm-dis, <http://llvm.org/docs/BytecodeFormat.html> +.SH "AUTHORS" +.IX Header "AUTHORS" +Maintained by the \s-1LLVM\s0 Team (<http://llvm.org>). |