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| -rw-r--r-- | docs/ReleaseNotes.html | 68 |
1 files changed, 35 insertions, 33 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index 6051d7a0a2..aefa4f1d8f 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -368,7 +368,7 @@ faster:</p> <!--=========================================================================--> <div class="doc_subsection"> -<a name="x86specific">X86/X86-64 Specific Improvements</a> +<a name="targetspecific">Target Specific Improvements</a> </div> <div class="doc_text"> @@ -378,25 +378,8 @@ faster:</p> <ul> <li>Exception handling is supported by default on Linux/x86-64.</li> <li>Position Independent Code (PIC) is now supported on Linux/x86-64.</li> -<li>...</li> - -</ul> - -</div> - -<!--=========================================================================--> -<div class="doc_subsection"> -<a name="targetspecific">Other Target Specific Improvements</a> -</div> - -<div class="doc_text"> -<p>New target-specific features include: -</p> - -<ul> -<li>MIPS floating point support?</li> -<li>PowerPC now supports trampolines.</li> -<li>....</li> +<li>MIPS floating point support? [BRUNO]</li> +<li>The PowerPC backend now supports trampolines.</li> </ul> </div> @@ -413,11 +396,17 @@ faster:</p> <ul> <li><tt>llvmc2</tt> (the generic compiler driver) gained plugin - support. It is now easier to experiment with <tt>llvmc2</tt> and - build your own tools based on it. </li> -<li>raw_ostream + formatting</li> -<li>Recycler + pool allocation stuff?</li> -<li>...</li> + support. It is now easier to experiment with <tt>llvmc2</tt> and + build your own tools based on it.</li> + +<li>LLVM 2.4 includes a number of new generic algorithms and data structures, + include a scoped hash table, 'immutable' data structures, and a + <tt>raw_ostream</tt> class. The <tt>raw_ostream</tt> class and + <tt>format</tt> allow for efficient file output, and various pieces of LLVM + have switched over to use it. The eventual goal is to eliminate + std::ostream in favor of it.</li> + +<li>Recycler + pool allocation stuff? [DAN]</li> </ul> </div> @@ -429,27 +418,40 @@ faster:</p> <div class="doc_text"> -<p>If you're already an LLVM user, this section lists some "gotchas" that you -may run into upgrading from the previous release.</p> +<p>If you're already an LLVM user or developer with out-of-tree changes based +on LLVM 2.3, this section lists some "gotchas" that you may run into upgrading +from the previous release.</p> -<p>The LLVM IR generated by llvm-gcc no longer names all instructions. - Use the instnamer pass if you want everything named.</p> +<ul> -<li>The LoadVN and GCSE passes have been removed.</li> +<li>The LLVM IR generated by llvm-gcc no longer names all instructions. This + makes it run faster, but may be more confusing to some people. If you + prefer to have names, the '<tt>opt -instnamer</tt>' pass will add names to + all instructions.</li> +<li>The LoadVN and GCSE passes have been removed from the tree. They are + obsolete and have been replaced with the GVN and MemoryDependence passes. + </li> +</ul> -<p>LLVM API Changes:</p> + +<p>In addition, many APIs have changed in this release. Some of the major LLVM +API changes are:</p> <ul> -<li>... Attributes changes ... </li> +<li>Attributes changes [DEVANG] </li> <li>The <tt>DbgStopPointInst</tt> methods <tt>getDirectory</tt> and <tt>getFileName</tt> now return <tt>Value*</tt> instead of strings. These can be converted to strings using <tt>llvm::GetConstantStringInfo</tt> defined via "llvm/Analysis/ValueTracking.h".</li> -<li>API change: BinaryOperator::create -> Create (CmpInst, CastInst too)</li> +<li>The APIs to create various instructions have changed from lower case + "create" methods to upper case "Create" methods (e.g. + <tt>BinaryOperator::create</tt>). LLVM 2.4 includes both cases, but the + lower case ones are removed in mainline, please migrate.</li> + <li>Various header files like "llvm/ADT/iterator" were given a .h suffix. Change your code to #include "llvm/ADT/iterator.h" instead.</li> |