add a bunch of random and unformatted notes as I am reading

through tons of old commits.

llvm-svn: 98709
This commit is contained in:
Chris Lattner 2010-03-17 04:41:49 +00:00
parent 5da0364420
commit b66f9c24a7

View File

@ -51,14 +51,17 @@ href="http://llvm.org/releases/">LLVM releases web site</a>.</p>
<p>For more information about LLVM, including information about the latest
release, please check out the <a href="http://llvm.org/">main LLVM
web site</a>. If you have questions or comments, the <a
href="http://mail.cs.uiuc.edu/mailman/listinfo/llvmdev">LLVM Developer's Mailing
List</a> is a good place to send them.</p>
href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev">LLVM Developer's
Mailing List</a> is a good place to send them.</p>
<p>Note that if you are reading this file from a Subversion checkout or the
main LLVM web page, this document applies to the <i>next</i> release, not the
current one. To see the release notes for a specific release, please see the
<a href="http://llvm.org/releases/">releases page</a>.</p>
<p>FIXME: llvm.org moved to new server, mention new logo.</p>
</div>
@ -441,6 +444,33 @@ in this section.
<li>...</li>
</ul>
Extensible metadata solid.
Debug info improvements: using metadata instead of llvm.dbg global variables.
This brings several enhancements including improved compile times.
New instruction selector.
GHC Haskell ABI/ calling conv support.
Pre-Alpha support for unions in IR.
New InlineHint and StackAlignment function attributes
Code generator MC'ized except for debug info and EH.
New SCEV AA pass: -scev-aa
Inliner reuses arrays allocas when inlining multiple callers to reduce stack usage.
MC encoding and disassembler apis.
Optimal Edge Profiling?
Instcombine is now a library, has its own IRBuilder to simplify itself.
New llvm/Support/Regex.h API. FileCheck now does regex's
AndersAA got removed (from 2.7 or mainline?)
LLVM command line tools now overwrite their output, before they would only do this with -f.
DOUT removed, use DEBUG(errs() instead.
Much stuff converted to use raw_ostream instead of std::ostream.
TargetAsmInfo renamed to MCAsmInfo
llvm/ADT/iterator.h gone.
</div>
<!--=========================================================================-->
@ -757,7 +787,8 @@ href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev">LLVMdev list</a>.</p>
<li>The MSIL, Alpha, SPU, MIPS, PIC16, Blackfin, MSP430 and SystemZ backends are
experimental.</li>
<li>The <tt>llc</tt> "<tt>-filetype=asm</tt>" (the default) is the only
supported value for this option. The ELF writer is experimental.</li>
supported value for this option. The MachO writer is experimental, and
works much better in mainline SVN.</li>
</ul>
</div>
@ -888,7 +919,7 @@ appropriate nops inserted to ensure restartability.</li>
<!-- ======================================================================= -->
<div class="doc_subsection">
<a name="c-fe">Known problems with the llvm-gcc C front-end</a>
<a name="c-fe">Known problems with the llvm-gcc C and C++ front-end</a>
</div>
<div class="doc_text">
@ -904,24 +935,6 @@ appropriate nops inserted to ensure restartability.</li>
</div>
<!-- ======================================================================= -->
<div class="doc_subsection">
<a name="c++-fe">Known problems with the llvm-gcc C++ front-end</a>
</div>
<div class="doc_text">
<p>The C++ front-end is considered to be fully
tested and works for a number of non-trivial programs, including LLVM
itself, Qt, Mozilla, etc.</p>
<ul>
<li>Exception handling works well on the X86 and PowerPC targets. Currently
only Linux and Darwin targets are supported (both 32 and 64 bit).</li>
</ul>
</div>
<!-- ======================================================================= -->
<div class="doc_subsection">
<a name="fortran-fe">Known problems with the llvm-gcc Fortran front-end</a>