Changes in directory llvm/docs:
BytecodeFormat.html updated: 1.69 -> 1.70 LangRef.html updated: 1.237 -> 1.238 --- Log message: Implement aliases. This fixes PR1017: http://llvm.org/PR1017 and it's dependent bugs. CFE part will follow. --- Diffs of the changes: (+91 -15) BytecodeFormat.html | 69 ++++++++++++++++++++++++++++++++++++++++++++++------ LangRef.html | 37 +++++++++++++++++++++------ 2 files changed, 91 insertions(+), 15 deletions(-) Index: llvm/docs/BytecodeFormat.html diff -u llvm/docs/BytecodeFormat.html:1.69 llvm/docs/BytecodeFormat.html:1.70 --- llvm/docs/BytecodeFormat.html:1.69 Sat Apr 21 03:16:24 2007 +++ llvm/docs/BytecodeFormat.html Wed Apr 25 09:27:10 2007 @@ -943,11 +943,11 @@ target triple specified, i.e. a platform-independent module).</td> </tr> <tr> - <td><a href="#string">string</a></td> - <td class="td_left">The data layout string describing the endianness, - pointer size, and type alignments for which the module was written - (blank means no data layout specified, i.e. a platform-independent - module).</td> + <td><a href="#string">string</a></td> + <td class="td_left">The data layout string describing the endianness, + pointer size, and type alignments for which the module was written + (blank means no data layout specified, i.e. a platform-independent + module).</td> </tr> <tr> <td><a href="#llist">llist</a>(<a href="#string">string</a>)</td> @@ -959,6 +959,11 @@ <td><a href="#string">string</a></td> <td class="td_left">The inline asm block for this module.</td> </tr> + <tr> + <td><a href="#zlist">zlist</a>(<a href="#alias">alias</a>)</td> + <td class="td_left">A zero terminated list of aliases occurring in the + module.</td> + </tr> </tbody> </table> </div> @@ -1123,7 +1128,7 @@ <td><a href="#bit">bit(5-30)</a></td> <td class="td_left">Type slot number of type for the function.</td> </tr> - <tr> + <tr> <td><a href="#bit">bit(31)</a></td> <td class="td_left">Indicates whether an extension word follows.</td> </tr> @@ -1186,6 +1191,56 @@ </div> <!-- _______________________________________________________________________ --> +<div class="doc_subsubsection"><a name="alias">Alias Field</a> +</div> +<div class="doc_text"> +<p>Aliases are written using 3 <a href="#uint32_vbr">uint32_vbr</a> +that encode information about alias itself and aliasee.</p> + +<p>The table below provides the bit layout of +the first <a href="#uint32_vbr">uint32_vbr</a> which describes alias itself.</p> + +<table> + <tbody> + <tr> + <th><b>Type</b></th> + <th class="td_left"><b>Description</b></th> + </tr> + <tr> + <td><a href="#bit">bit(0-1)</a></td> + <td class="td_left">Alias linkage. 0 - External linkage, 1 - Internal + linkage, 2 - Weak linkage.</td> + </tr> + <tr> + <td><a href="#bit">bit(2-31)</a></td> + <td class="td_left">Type slot number of type for the alias itself.</td> + </tr> + </tbody> +</table> + + <p>The next two <a href="#uint32_vbr">uint32_vbr's</a> describes the + aliasee. </p> + +<table> + <tbody> + <tr> + <th><b>Type</b></th> + <th class="td_left"><b>Description</b></th> + </tr> + <tr> + <td><a href="#uint32_vbr">uint32_vbr</a></td> + <td class="td_left">Type slot number of type for the aliasee.</td> + </tr> + <tr> + <td><a href="#uint32_vbr">uint32_vbr</a></td> + <td class="td_left">Slot number of the aliasee.</td> + </tr> + </tbody> +</table> + +</div> + +<!-- _______________________________________________________________________ --> <div class="doc_subsection"><a name="constantpool">Constant Pool</a> </div> <div class="doc_text"> <p>A constant pool defines as set of constant values. There are @@ -2097,7 +2152,7 @@ <a href="mailto:[EMAIL PROTECTED]">Reid Spencer</a> and <a href="mailto:[EMAIL PROTECTED]">Chris Lattner</a><br> <a href="http://llvm.org">The LLVM Compiler Infrastructure</a><br> -Last modified: $Date: 2007/04/21 08:16:24 $ +Last modified: $Date: 2007/04/25 14:27:10 $ </address> </body> </html> Index: llvm/docs/LangRef.html diff -u llvm/docs/LangRef.html:1.237 llvm/docs/LangRef.html:1.238 --- llvm/docs/LangRef.html:1.237 Sun Apr 22 09:56:37 2007 +++ llvm/docs/LangRef.html Wed Apr 25 09:27:10 2007 @@ -498,7 +498,8 @@ <p>It is illegal for a function <i>declaration</i> to have any linkage type other than "externally visible", <tt>dllimport</tt>, or <tt>extern_weak</tt>.</p> - +<p>Aliases can have only <tt>external</tt>, <tt>internal</tt> and <tt>weak</tt> +linkages. </div> <!-- ======================================================================= --> @@ -602,12 +603,11 @@ <p>Global variables define regions of memory allocated at compilation time instead of run-time. Global variables may optionally be initialized, may have -an explicit section to be placed in, and may -have an optional explicit alignment specified. A variable may be defined as -"thread_local", which means that it will not be shared by threads (each thread -will have a separated copy of the variable). -A variable may be defined as a global "constant," which indicates that the -contents of the variable will <b>never</b> be modified (enabling better +an explicit section to be placed in, and may have an optional explicit alignment +specified. A variable may be defined as "thread_local", which means that it +will not be shared by threads (each thread will have a separated copy of the +variable). A variable may be defined as a global "constant," which indicates +that the contents of the variable will <b>never</b> be modified (enabling better optimization, allowing the global data to be placed in the read-only section of an executable, etc). Note that variables that need runtime initialization cannot be marked "constant" as there is a store to the variable.</p> @@ -698,6 +698,27 @@ </div> + +<!-- ======================================================================= --> +<div class="doc_subsection"> + <a name="aliasstructure">Aliases</a> +</div> +<div class="doc_text"> + <p>Aliases act as "second name" for the aliasee value (which can be either + function or global variable). Aliases may have an + optional <a href="#linkage">linkage type</a>, and an + optional <a href="#visibility">visibility style</a>.</p> + + <h5>Syntax:</h5> + + <pre> + @<Name> = [Linkage] [Visibility] alias <AliaseeTy> @<Aliasee> + </pre> + +</div> + + + <!-- ======================================================================= --> <div class="doc_subsection"><a name="paramattrs">Parameter Attributes</a></div> <div class="doc_text"> @@ -4728,7 +4749,7 @@ <a href="mailto:[EMAIL PROTECTED]">Chris Lattner</a><br> <a href="http://llvm.org">The LLVM Compiler Infrastructure</a><br> - Last modified: $Date: 2007/04/22 14:56:37 $ + Last modified: $Date: 2007/04/25 14:27:10 $ </address> </body> </html> _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits