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diff --git a/docs/BitCodeFormat.html b/docs/BitCodeFormat.html index 8d3d382..9a042a0 100644 --- a/docs/BitCodeFormat.html +++ b/docs/BitCodeFormat.html @@ -7,7 +7,7 @@ <link rel="stylesheet" href="llvm.css" type="text/css"> </head> <body> -<div class="doc_title"> LLVM Bitcode File Format </div> +<h1> LLVM Bitcode File Format</h1> <ol> <li><a href="#abstract">Abstract</a></li> <li><a href="#overview">Overview</a></li> @@ -47,10 +47,10 @@ </div> <!-- *********************************************************************** --> -<div class="doc_section"> <a name="abstract">Abstract</a></div> +<h2><a name="abstract">Abstract</a></h2> <!-- *********************************************************************** --> -<div class="doc_text"> +<div> <p>This document describes the LLVM bitstream file format and the encoding of the LLVM IR into it.</p> @@ -58,10 +58,10 @@ the LLVM IR into it.</p> </div> <!-- *********************************************************************** --> -<div class="doc_section"> <a name="overview">Overview</a></div> +<h2><a name="overview">Overview</a></h2> <!-- *********************************************************************** --> -<div class="doc_text"> +<div> <p> What is commonly known as the LLVM bitcode file format (also, sometimes @@ -88,10 +88,10 @@ wrapper format, then describes the record structure used by LLVM IR files. </div> <!-- *********************************************************************** --> -<div class="doc_section"> <a name="bitstream">Bitstream Format</a></div> +<h2><a name="bitstream">Bitstream Format</a></h2> <!-- *********************************************************************** --> -<div class="doc_text"> +<div> <p> The bitstream format is literally a stream of bits, with a very simple @@ -114,13 +114,12 @@ href="CommandGuide/html/llvm-bcanalyzer.html">llvm-bcanalyzer</a> tool can be used to dump and inspect arbitrary bitstreams, which is very useful for understanding the encoding.</p> -</div> - <!-- ======================================================================= --> -<div class="doc_subsection"><a name="magic">Magic Numbers</a> -</div> +<h3> + <a name="magic">Magic Numbers</a> +</h3> -<div class="doc_text"> +<div> <p>The first two bytes of a bitcode file are 'BC' (0x42, 0x43). The second two bytes are an application-specific magic number. Generic @@ -130,10 +129,11 @@ bitcode, while application-specific programs will want to look at all four.</p> </div> <!-- ======================================================================= --> -<div class="doc_subsection"><a name="primitives">Primitives</a> -</div> +<h3> + <a name="primitives">Primitives</a> +</h3> -<div class="doc_text"> +<div> <p> A bitstream literally consists of a stream of bits, which are read in order @@ -144,13 +144,12 @@ Width Integers</a> or as <a href="#variablewidth">Variable Width Integers</a>. </p> -</div> - <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> <a name="fixedwidth">Fixed Width Integers</a> -</div> +<h4> + <a name="fixedwidth">Fixed Width Integers</a> +</h4> -<div class="doc_text"> +<div> <p>Fixed-width integer values have their low bits emitted directly to the file. For example, a 3-bit integer value encodes 1 as 001. Fixed width integers @@ -161,10 +160,11 @@ Integers</a>. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> <a name="variablewidth">Variable Width -Integers</a></div> +<h4> + <a name="variablewidth">Variable Width Integers</a> +</h4> -<div class="doc_text"> +<div> <p>Variable-width integer (VBR) values encode values of arbitrary size, optimizing for the case where the values are small. Given a 4-bit VBR field, @@ -182,9 +182,9 @@ value of 24 (011 << 3) with no continuation. The sum (3+24) yields the value </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> <a name="char6">6-bit characters</a></div> +<h4><a name="char6">6-bit characters</a></h4> -<div class="doc_text"> +<div> <p>6-bit characters encode common characters into a fixed 6-bit field. They represent the following characters with the following 6-bit values:</p> @@ -206,9 +206,9 @@ characters not in the set.</p> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> <a name="wordalign">Word Alignment</a></div> +<h4><a name="wordalign">Word Alignment</a></h4> -<div class="doc_text"> +<div> <p>Occasionally, it is useful to emit zero bits until the bitstream is a multiple of 32 bits. This ensures that the bit position in the stream can be @@ -216,12 +216,14 @@ represented as a multiple of 32-bit words.</p> </div> +</div> <!-- ======================================================================= --> -<div class="doc_subsection"><a name="abbrevid">Abbreviation IDs</a> -</div> +<h3> + <a name="abbrevid">Abbreviation IDs</a> +</h3> -<div class="doc_text"> +<div> <p> A bitstream is a sequential series of <a href="#blocks">Blocks</a> and @@ -253,10 +255,11 @@ an <a href="#abbrev_records">abbreviated record encoding</a>.</p> </div> <!-- ======================================================================= --> -<div class="doc_subsection"><a name="blocks">Blocks</a> -</div> +<h3> + <a name="blocks">Blocks</a> +</h3> -<div class="doc_text"> +<div> <p> Blocks in a bitstream denote nested regions of the stream, and are identified by @@ -297,13 +300,10 @@ its own set of abbreviations, and its own abbrev id width. When a sub-block is popped, the saved values are restored. </p> -</div> - <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> <a name="ENTER_SUBBLOCK">ENTER_SUBBLOCK -Encoding</a></div> +<h4><a name="ENTER_SUBBLOCK">ENTER_SUBBLOCK Encoding</a></h4> -<div class="doc_text"> +<div> <p><tt>[ENTER_SUBBLOCK, blockid<sub>vbr8</sub>, newabbrevlen<sub>vbr4</sub>, <align32bits>, blocklen<sub>32</sub>]</tt></p> @@ -322,10 +322,9 @@ reader to skip over the entire block in one jump. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> <a name="END_BLOCK">END_BLOCK -Encoding</a></div> +<h4><a name="END_BLOCK">END_BLOCK Encoding</a></h4> -<div class="doc_text"> +<div> <p><tt>[END_BLOCK, <align32bits>]</tt></p> @@ -337,13 +336,14 @@ an even multiple of 32-bits. </div> - +</div> <!-- ======================================================================= --> -<div class="doc_subsection"><a name="datarecord">Data Records</a> -</div> +<h3> + <a name="datarecord">Data Records</a> +</h3> -<div class="doc_text"> +<div> <p> Data records consist of a record code and a number of (up to) 64-bit integer values. The interpretation of the code and values is @@ -355,13 +355,10 @@ which encodes the target triple of a module. The code is ASCII codes for the characters in the string. </p> -</div> - <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> <a name="UNABBREV_RECORD">UNABBREV_RECORD -Encoding</a></div> +<h4><a name="UNABBREV_RECORD">UNABBREV_RECORD Encoding</a></h4> -<div class="doc_text"> +<div> <p><tt>[UNABBREV_RECORD, code<sub>vbr6</sub>, numops<sub>vbr6</sub>, op0<sub>vbr6</sub>, op1<sub>vbr6</sub>, ...]</tt></p> @@ -385,10 +382,9 @@ bits. This is not an efficient encoding, but it is fully general. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> <a name="abbrev_records">Abbreviated Record -Encoding</a></div> +<h4><a name="abbrev_records">Abbreviated Record Encoding</a></h4> -<div class="doc_text"> +<div> <p><tt>[<abbrevid>, fields...]</tt></p> @@ -409,11 +405,14 @@ operand value).</p> </div> -<!-- ======================================================================= --> -<div class="doc_subsection"><a name="abbreviations">Abbreviations</a> </div> -<div class="doc_text"> +<!-- ======================================================================= --> +<h3> + <a name="abbreviations">Abbreviations</a> +</h3> + +<div> <p> Abbreviations are an important form of compression for bitstreams. The idea is to specify a dense encoding for a class of records once, then use that encoding @@ -431,13 +430,11 @@ As a concrete example, LLVM IR files usually emit an abbreviation for binary operators. If a specific LLVM module contained no or few binary operators, the abbreviation does not need to be emitted. </p> -</div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="DEFINE_ABBREV">DEFINE_ABBREV - Encoding</a></div> +<h4><a name="DEFINE_ABBREV">DEFINE_ABBREV Encoding</a></h4> -<div class="doc_text"> +<div> <p><tt>[DEFINE_ABBREV, numabbrevops<sub>vbr5</sub>, abbrevop0, abbrevop1, ...]</tt></p> @@ -552,11 +549,14 @@ used for any other string value. </div> -<!-- ======================================================================= --> -<div class="doc_subsection"><a name="stdblocks">Standard Blocks</a> </div> -<div class="doc_text"> +<!-- ======================================================================= --> +<h3> + <a name="stdblocks">Standard Blocks</a> +</h3> + +<div> <p> In addition to the basic block structure and record encodings, the bitstream @@ -565,13 +565,10 @@ stream is to be decoded or other metadata. In the future, new standard blocks may be added. Block IDs 0-7 are reserved for standard blocks. </p> -</div> - <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="BLOCKINFO">#0 - BLOCKINFO -Block</a></div> +<h4><a name="BLOCKINFO">#0 - BLOCKINFO Block</a></h4> -<div class="doc_text"> +<div> <p> The <tt>BLOCKINFO</tt> block allows the description of metadata for other @@ -620,11 +617,15 @@ from the corresponding blocks. It is not safe to skip them. </div> +</div> + +</div> + <!-- *********************************************************************** --> -<div class="doc_section"> <a name="wrapper">Bitcode Wrapper Format</a></div> +<h2><a name="wrapper">Bitcode Wrapper Format</a></h2> <!-- *********************************************************************** --> -<div class="doc_text"> +<div> <p> Bitcode files for LLVM IR may optionally be wrapped in a simple wrapper @@ -652,10 +653,10 @@ value that can be used to encode the CPU of the target. </div> <!-- *********************************************************************** --> -<div class="doc_section"> <a name="llvmir">LLVM IR Encoding</a></div> +<h2><a name="llvmir">LLVM IR Encoding</a></h2> <!-- *********************************************************************** --> -<div class="doc_text"> +<div> <p> LLVM IR is encoded into a bitstream by defining blocks and records. It uses @@ -666,16 +667,17 @@ that the writer uses, as these are fully self-described in the file, and the reader is not allowed to build in any knowledge of this. </p> -</div> - <!-- ======================================================================= --> -<div class="doc_subsection"><a name="basics">Basics</a> -</div> +<h3> + <a name="basics">Basics</a> +</h3> + +<div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="ir_magic">LLVM IR Magic Number</a></div> +<h4><a name="ir_magic">LLVM IR Magic Number</a></h4> -<div class="doc_text"> +<div> <p> The magic number for LLVM IR files is: @@ -695,9 +697,9 @@ When combined with the bitcode magic number and viewed as bytes, this is </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="ir_signed_vbr">Signed VBRs</a></div> +<h4><a name="ir_signed_vbr">Signed VBRs</a></h4> -<div class="doc_text"> +<div> <p> <a href="#variablewidth">Variable Width Integer</a> encoding is an efficient way to @@ -728,9 +730,9 @@ within <tt>CONSTANTS_BLOCK</tt> blocks. <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="ir_blocks">LLVM IR Blocks</a></div> +<h4><a name="ir_blocks">LLVM IR Blocks</a></h4> -<div class="doc_text"> +<div> <p> LLVM IR is defined with the following blocks: @@ -758,11 +760,14 @@ LLVM IR is defined with the following blocks: </div> -<!-- ======================================================================= --> -<div class="doc_subsection"><a name="MODULE_BLOCK">MODULE_BLOCK Contents</a> </div> -<div class="doc_text"> +<!-- ======================================================================= --> +<h3> + <a name="MODULE_BLOCK">MODULE_BLOCK Contents</a> +</h3> + +<div> <p>The <tt>MODULE_BLOCK</tt> block (id 8) is the top-level block for LLVM bitcode files, and each bitcode file must contain exactly one. In @@ -782,13 +787,10 @@ following sub-blocks: <li><a href="#METADATA_BLOCK"><tt>METADATA_BLOCK</tt></a></li> </ul> -</div> - <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_VERSION">MODULE_CODE_VERSION Record</a> -</div> +<h4><a name="MODULE_CODE_VERSION">MODULE_CODE_VERSION Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[VERSION, version#]</tt></p> @@ -798,10 +800,9 @@ time.</p> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_TRIPLE">MODULE_CODE_TRIPLE Record</a> -</div> +<h4><a name="MODULE_CODE_TRIPLE">MODULE_CODE_TRIPLE Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[TRIPLE, ...string...]</tt></p> <p>The <tt>TRIPLE</tt> record (code 2) contains a variable number of @@ -810,10 +811,9 @@ specification string.</p> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_DATALAYOUT">MODULE_CODE_DATALAYOUT Record</a> -</div> +<h4><a name="MODULE_CODE_DATALAYOUT">MODULE_CODE_DATALAYOUT Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[DATALAYOUT, ...string...]</tt></p> <p>The <tt>DATALAYOUT</tt> record (code 3) contains a variable number of @@ -822,10 +822,9 @@ specification string.</p> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_ASM">MODULE_CODE_ASM Record</a> -</div> +<h4><a name="MODULE_CODE_ASM">MODULE_CODE_ASM Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[ASM, ...string...]</tt></p> <p>The <tt>ASM</tt> record (code 4) contains a variable number of @@ -834,10 +833,9 @@ individual assembly blocks separated by newline (ASCII 10) characters.</p> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_SECTIONNAME">MODULE_CODE_SECTIONNAME Record</a> -</div> +<h4><a name="MODULE_CODE_SECTIONNAME">MODULE_CODE_SECTIONNAME Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[SECTIONNAME, ...string...]</tt></p> <p>The <tt>SECTIONNAME</tt> record (code 5) contains a variable number @@ -850,10 +848,9 @@ referenced by the 1-based index in the <i>section</i> fields of </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_DEPLIB">MODULE_CODE_DEPLIB Record</a> -</div> +<h4><a name="MODULE_CODE_DEPLIB">MODULE_CODE_DEPLIB Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[DEPLIB, ...string...]</tt></p> <p>The <tt>DEPLIB</tt> record (code 6) contains a variable number of @@ -864,10 +861,9 @@ library name referenced.</p> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_GLOBALVAR">MODULE_CODE_GLOBALVAR Record</a> -</div> +<h4><a name="MODULE_CODE_GLOBALVAR">MODULE_CODE_GLOBALVAR Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[GLOBALVAR, pointer type, isconst, initid, linkage, alignment, section, visibility, threadlocal]</tt></p> <p>The <tt>GLOBALVAR</tt> record (code 7) marks the declaration or @@ -923,16 +919,15 @@ encoding of the visibility of this variable: is <tt>thread_local</tt></li> <li><i>unnamed_addr</i>: If present and non-zero, indicates that the variable -has <tt>unnamed_addr<tt></li> +has <tt>unnamed_addr</tt></li> </ul> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_FUNCTION">MODULE_CODE_FUNCTION Record</a> -</div> +<h4><a name="MODULE_CODE_FUNCTION">MODULE_CODE_FUNCTION Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[FUNCTION, type, callingconv, isproto, linkage, paramattr, alignment, section, visibility, gc]</tt></p> @@ -980,16 +975,15 @@ index in the table of <a href="#MODULE_CODE_GCNAME">MODULE_CODE_GCNAME</a> entries.</li> <li><i>unnamed_addr</i>: If present and non-zero, indicates that the function -has <tt>unnamed_addr<tt></li> +has <tt>unnamed_addr</tt></li> </ul> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_ALIAS">MODULE_CODE_ALIAS Record</a> -</div> +<h4><a name="MODULE_CODE_ALIAS">MODULE_CODE_ALIAS Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[ALIAS, alias type, aliasee val#, linkage, visibility]</tt></p> @@ -1011,10 +1005,9 @@ for this alias</li> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_PURGEVALS">MODULE_CODE_PURGEVALS Record</a> -</div> +<h4><a name="MODULE_CODE_PURGEVALS">MODULE_CODE_PURGEVALS Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[PURGEVALS, numvals]</tt></p> <p>The <tt>PURGEVALS</tt> record (code 10) resets the module-level @@ -1025,10 +1018,9 @@ new value indices will start from the given <i>numvals</i> value.</p> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="MODULE_CODE_GCNAME">MODULE_CODE_GCNAME Record</a> -</div> +<h4><a name="MODULE_CODE_GCNAME">MODULE_CODE_GCNAME Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[GCNAME, ...string...]</tt></p> <p>The <tt>GCNAME</tt> record (code 11) contains a variable number of @@ -1039,11 +1031,14 @@ the module. These records can be referenced by 1-based index in the <i>gc</i> fields of <tt>FUNCTION</tt> records.</p> </div> -<!-- ======================================================================= --> -<div class="doc_subsection"><a name="PARAMATTR_BLOCK">PARAMATTR_BLOCK Contents</a> </div> -<div class="doc_text"> +<!-- ======================================================================= --> +<h3> + <a name="PARAMATTR_BLOCK">PARAMATTR_BLOCK Contents</a> +</h3> + +<div> <p>The <tt>PARAMATTR_BLOCK</tt> block (id 9) contains a table of entries describing the attributes of function parameters. These @@ -1057,14 +1052,10 @@ href="#FUNC_CODE_INST_CALL"><tt>INST_CALL</tt></a> records.</p> that each is unique (i.e., no two indicies represent equivalent attribute lists). </p> -</div> - - <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="PARAMATTR_CODE_ENTRY">PARAMATTR_CODE_ENTRY Record</a> -</div> +<h4><a name="PARAMATTR_CODE_ENTRY">PARAMATTR_CODE_ENTRY Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[ENTRY, paramidx0, attr0, paramidx1, attr1...]</tt></p> @@ -1105,11 +1096,14 @@ the logarithm base 2 of the requested alignment, plus 1</li> </ul> </div> -<!-- ======================================================================= --> -<div class="doc_subsection"><a name="TYPE_BLOCK">TYPE_BLOCK Contents</a> </div> -<div class="doc_text"> +<!-- ======================================================================= --> +<h3> + <a name="TYPE_BLOCK">TYPE_BLOCK Contents</a> +</h3> + +<div> <p>The <tt>TYPE_BLOCK</tt> block (id 10) contains records which constitute a table of type operator entries used to represent types @@ -1124,13 +1118,10 @@ type operator records. each entry is unique (i.e., no two indicies represent structurally equivalent types). </p> -</div> - <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_NUMENTRY">TYPE_CODE_NUMENTRY Record</a> -</div> +<h4><a name="TYPE_CODE_NUMENTRY">TYPE_CODE_NUMENTRY Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[NUMENTRY, numentries]</tt></p> @@ -1142,10 +1133,9 @@ in the block. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_VOID">TYPE_CODE_VOID Record</a> -</div> +<h4><a name="TYPE_CODE_VOID">TYPE_CODE_VOID Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[VOID]</tt></p> @@ -1155,10 +1145,9 @@ type table. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_FLOAT">TYPE_CODE_FLOAT Record</a> -</div> +<h4><a name="TYPE_CODE_FLOAT">TYPE_CODE_FLOAT Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[FLOAT]</tt></p> @@ -1168,10 +1157,9 @@ floating point) type to the type table. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_DOUBLE">TYPE_CODE_DOUBLE Record</a> -</div> +<h4><a name="TYPE_CODE_DOUBLE">TYPE_CODE_DOUBLE Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[DOUBLE]</tt></p> @@ -1181,10 +1169,9 @@ floating point) type to the type table. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_LABEL">TYPE_CODE_LABEL Record</a> -</div> +<h4><a name="TYPE_CODE_LABEL">TYPE_CODE_LABEL Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[LABEL]</tt></p> @@ -1194,10 +1181,9 @@ the type table. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_OPAQUE">TYPE_CODE_OPAQUE Record</a> -</div> +<h4><a name="TYPE_CODE_OPAQUE">TYPE_CODE_OPAQUE Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[OPAQUE]</tt></p> @@ -1208,10 +1194,9 @@ unified. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_INTEGER">TYPE_CODE_INTEGER Record</a> -</div> +<h4><a name="TYPE_CODE_INTEGER">TYPE_CODE_INTEGER Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[INTEGER, width]</tt></p> @@ -1222,10 +1207,9 @@ integer type. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_POINTER">TYPE_CODE_POINTER Record</a> -</div> +<h4><a name="TYPE_CODE_POINTER">TYPE_CODE_POINTER Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[POINTER, pointee type, address space]</tt></p> @@ -1243,10 +1227,9 @@ default address space is zero. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_FUNCTION">TYPE_CODE_FUNCTION Record</a> -</div> +<h4><a name="TYPE_CODE_FUNCTION">TYPE_CODE_FUNCTION Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[FUNCTION, vararg, ignored, retty, ...paramty... ]</tt></p> @@ -1268,10 +1251,9 @@ parameter types of the function</li> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_STRUCT">TYPE_CODE_STRUCT Record</a> -</div> +<h4><a name="TYPE_CODE_STRUCT">TYPE_CODE_STRUCT Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[STRUCT, ispacked, ...eltty...]</tt></p> @@ -1287,10 +1269,9 @@ types of the structure</li> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_ARRAY">TYPE_CODE_ARRAY Record</a> -</div> +<h4><a name="TYPE_CODE_ARRAY">TYPE_CODE_ARRAY Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[ARRAY, numelts, eltty]</tt></p> @@ -1305,10 +1286,9 @@ table. The operand fields are</p> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_VECTOR">TYPE_CODE_VECTOR Record</a> -</div> +<h4><a name="TYPE_CODE_VECTOR">TYPE_CODE_VECTOR Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[VECTOR, numelts, eltty]</tt></p> @@ -1323,10 +1303,9 @@ table. The operand fields are</p> </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_X86_FP80">TYPE_CODE_X86_FP80 Record</a> -</div> +<h4><a name="TYPE_CODE_X86_FP80">TYPE_CODE_X86_FP80 Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[X86_FP80]</tt></p> @@ -1336,10 +1315,9 @@ floating point) type to the type table. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_FP128">TYPE_CODE_FP128 Record</a> -</div> +<h4><a name="TYPE_CODE_FP128">TYPE_CODE_FP128 Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[FP128]</tt></p> @@ -1349,10 +1327,9 @@ floating point) type to the type table. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_PPC_FP128">TYPE_CODE_PPC_FP128 Record</a> -</div> +<h4><a name="TYPE_CODE_PPC_FP128">TYPE_CODE_PPC_FP128 Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[PPC_FP128]</tt></p> @@ -1362,10 +1339,9 @@ floating point) type to the type table. </div> <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TYPE_CODE_METADATA">TYPE_CODE_METADATA Record</a> -</div> +<h4><a name="TYPE_CODE_METADATA">TYPE_CODE_METADATA Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[METADATA]</tt></p> @@ -1374,11 +1350,14 @@ type to the type table. </p> </div> -<!-- ======================================================================= --> -<div class="doc_subsection"><a name="CONSTANTS_BLOCK">CONSTANTS_BLOCK Contents</a> </div> -<div class="doc_text"> +<!-- ======================================================================= --> +<h3> + <a name="CONSTANTS_BLOCK">CONSTANTS_BLOCK Contents</a> +</h3> + +<div> <p>The <tt>CONSTANTS_BLOCK</tt> block (id 11) ... </p> @@ -1387,10 +1366,11 @@ type to the type table. <!-- ======================================================================= --> -<div class="doc_subsection"><a name="FUNCTION_BLOCK">FUNCTION_BLOCK Contents</a> -</div> +<h3> + <a name="FUNCTION_BLOCK">FUNCTION_BLOCK Contents</a> +</h3> -<div class="doc_text"> +<div> <p>The <tt>FUNCTION_BLOCK</tt> block (id 12) ... </p> @@ -1409,23 +1389,21 @@ type to the type table. <!-- ======================================================================= --> -<div class="doc_subsection"><a name="TYPE_SYMTAB_BLOCK">TYPE_SYMTAB_BLOCK Contents</a> -</div> +<h3> + <a name="TYPE_SYMTAB_BLOCK">TYPE_SYMTAB_BLOCK Contents</a> +</h3> -<div class="doc_text"> +<div> <p>The <tt>TYPE_SYMTAB_BLOCK</tt> block (id 13) contains entries which map between module-level named types and their corresponding type indices. </p> -</div> - <!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"><a name="TST_CODE_ENTRY">TST_CODE_ENTRY Record</a> -</div> +<h4><a name="TST_CODE_ENTRY">TST_CODE_ENTRY Record</a></h4> -<div class="doc_text"> +<div> <p><tt>[ENTRY, typeid, ...string...]</tt></p> @@ -1436,12 +1414,14 @@ name. Each entry corresponds to a single named type. </p> </div> +</div> <!-- ======================================================================= --> -<div class="doc_subsection"><a name="VALUE_SYMTAB_BLOCK">VALUE_SYMTAB_BLOCK Contents</a> -</div> +<h3> + <a name="VALUE_SYMTAB_BLOCK">VALUE_SYMTAB_BLOCK Contents</a> +</h3> -<div class="doc_text"> +<div> <p>The <tt>VALUE_SYMTAB_BLOCK</tt> block (id 14) ... </p> @@ -1450,10 +1430,11 @@ name. Each entry corresponds to a single named type. <!-- ======================================================================= --> -<div class="doc_subsection"><a name="METADATA_BLOCK">METADATA_BLOCK Contents</a> -</div> +<h3> + <a name="METADATA_BLOCK">METADATA_BLOCK Contents</a> +</h3> -<div class="doc_text"> +<div> <p>The <tt>METADATA_BLOCK</tt> block (id 15) ... </p> @@ -1462,16 +1443,18 @@ name. Each entry corresponds to a single named type. <!-- ======================================================================= --> -<div class="doc_subsection"><a name="METADATA_ATTACHMENT">METADATA_ATTACHMENT Contents</a> -</div> +<h3> + <a name="METADATA_ATTACHMENT">METADATA_ATTACHMENT Contents</a> +</h3> -<div class="doc_text"> +<div> <p>The <tt>METADATA_ATTACHMENT</tt> block (id 16) ... </p> </div> +</div> <!-- *********************************************************************** --> <hr> @@ -1480,8 +1463,8 @@ name. Each entry corresponds to a single named type. <a href="http://validator.w3.org/check/referer"><img src="http://www.w3.org/Icons/valid-html401-blue" alt="Valid HTML 4.01"></a> <a href="mailto:sabre@nondot.org">Chris Lattner</a><br> -<a href="http://llvm.org">The LLVM Compiler Infrastructure</a><br> -Last modified: $Date: 2011-01-08 17:42:36 +0100 (Sat, 08 Jan 2011) $ +<a href="http://llvm.org/">The LLVM Compiler Infrastructure</a><br> +Last modified: $Date: 2011-04-23 02:30:22 +0200 (Sat, 23 Apr 2011) $ </address> </body> </html> |