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Added information about how llvm-as and llvm-dis select the input and output
filenames. Corrected some typos in the llvm-dis documentation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8716 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -20,15 +20,39 @@ llvm-as
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SYNOPSIS
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</h3>
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llvm-as [options] < filename>
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llvm-as [options] [filename]
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<h3>
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DESCRIPTION
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</h3>
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The llvm-as command is the LLVM assembler. It takes a human readable LLVM
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assembly language file and translates it into LLVM bytecode.
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The llvm-as command is the LLVM assembler. It reads a file containing human
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readable LLVM assembly language, translates it to LLVM bytecode, and writes the
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result into a file or to standard output.
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<p>
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By default, llvm-as places its output into filename.bc.
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If filename is omitted or is -, then llvm-as reads its input from standard
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input.
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<p>
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If an output file is not specified with the -o option, then llvm-as sends its
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output to a file or standard output by the following logic:
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<ul>
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<li>
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If the input is standard input, then the output is standard output.
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<p>
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<li>
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If the input is a file that ends with .ll, then the output file is of
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the same name, except that the suffix is changed to .bc.
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<p>
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<li>
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If the input is a file that does not end with the .ll suffix, then the
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output file has the same name as the input file, except that the .bc suffix
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is appended.
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<p>
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</ul>
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<h3>
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OPTIONS
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@ -49,7 +73,8 @@ OPTIONS
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<li> -o <filename>
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<br>
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Specify the output filename.
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Specify the output filename. If filename is -, then llvm-as sends its
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output to standard output.
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<p>
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<li> -stats
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@ -20,16 +20,39 @@ llvm-dis
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SYNOPSIS
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</h3>
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llvm-dis [options] < filename>
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llvm-dis [options] [filename]
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<h3>
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DESCRIPTION
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</h3>
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The llvm-dis command is the LLVM disassembler. It takes an LLVM bytecode file
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and converts it into one of several human readable formats.
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and converts it into LLVM assembly language or C source code with equivalent
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functionality.
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<p>
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If filename is omitted, llvm-dis reads its input from standard input.
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<p>
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The default output file for llvm-dis is determined by the following logic:
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<ul>
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<li>
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If the input is standard input or the file -, then the output is standard
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output.
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<p>
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<li>
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If the input filename ends in .bc, then the output filename will be
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identical, except that the .bc suffix will be replaced by the .ll or .c
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suffix (for LLVM assembly language and C code, respectively).
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<p>
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<li>
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If the input filename does not end in .bc, then the output filename will be
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identical to the input filename, except that the .ll or .c suffix will be
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appended to the filename (for LLVM assembly language and C code,
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respectively).
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</ul>
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By default, llvm-dis places its output in filename.ll, removing the .bc suffix
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if it exists.
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<h3>
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OPTIONS
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</h3>
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@ -60,12 +83,13 @@ OPTIONS
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<li> -o <filename>
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<br>
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Specify the output filename.
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Specify the output filename. If filename is -, then the output is sent to
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standard output.
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<p>
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<li> -time-pdisses
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<li> -time-passes
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<br>
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Record the amount of time needed for each pdiss and print it to standard
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Record the amount of time needed for each pass and print it to standard
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error.
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<p>
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</ul>
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@ -80,7 +104,7 @@ will exit with a non-zero value.
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<h3>
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SEE ALSO
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</h3>
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llvm-dis
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llvm-as
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<HR>
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<a href="http://llvm.cs.uiuc.edu">LLVM Team</a>
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