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minor corrections, improved formatting

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llvm-svn: 57486
This commit is contained in:
Gabor Greif 2008-10-14 11:31:14 +00:00
parent d9aa92c0f1
commit d22d9a65f7
1 changed files with 12 additions and 12 deletions
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@ -272,7 +272,7 @@ for any of these IR features though.</li>
<li>A new <tt>DebugInfoBuilder</tt> class is available, which makes it much
easier for front-ends to create debug info descriptors, similar to the way that
IRBuilder makes it easier to create LLVM IR.</li>
<tt>IRBuilder</tt> makes it easier to create LLVM IR.</li>
<li>The <tt>IRBuilder</tt> class is now parametrized by a class responsible
for constant folding. The default <tt>ConstantFolder</tt> class does target independent
@ -312,11 +312,11 @@ where doing so won't grow code size.</li>
<li>LLVM 2.4 includes a new loop deletion pass (which removes output-free
provably-finite loops) and a rewritten Aggressive Dead Code Elimination (ADCE)
pass that no longer uses control dependence information. These changes speed up
the optimizer and also prevents it from deleting output-free infinite
the optimizer and also prevent it from deleting output-free infinite
loops.</li>
<li>The new AddReadAttrs pass works out which functions are read-only or
read-none (these correspond to 'pure' and 'const' in C) and marks them
read-none (these correspond to 'pure' and 'const' in GCC) and marks them
with the appropriate attribute.</li>
<li>LLVM 2.4 now includes a new SparsePropagation framework, which makes it
@ -350,7 +350,7 @@ provided are now achieved by other passes.</li>
<div class="doc_text">
<p>We put a significant amount of work into the code generator infrastructure,
<p>We have put a significant amount of work into the code generator infrastructure,
which allows us to implement more aggressive algorithms and make it run
faster:</p>
@ -365,14 +365,14 @@ faster:</p>
<li>In addition to the new 'fast' instruction selection path, many existing
pieces of the code generator have been optimized in significant ways.
SelectionDAG's are now pool allocated and use better algorithms in many
places, the ".s" file printers now use raw_ostream to emit text much faster,
places, the ".s" file printers now use <tt>raw_ostream</tt> to emit text much faster,
etc. The end result of these improvements is that the compiler also takes
substantially less time to generate code that is just as good (and often
better) than before.</li>
<li>Each target has been split to separate the .s file printing logic from the
<li>Each target has been split to separate the ".s" file printing logic from the
rest of the target. This enables JIT compilers that don't link in the
(somewhat large) code and data tables used for printing a .s file.</li>
(somewhat large) code and data tables used for printing a ".s" file.</li>
<li>The code generator now includes a "stack slot coloring" pass, which packs
together individual spilled values into common stack slots. This reduces
@ -477,17 +477,17 @@ API changes are:</p>
<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>
"<tt>llvm/Analysis/ValueTracking.h</tt>".</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>
<li>Various header files like "<tt>llvm/ADT/iterator</tt>" were given a ".h" suffix.
Change your code to #include "<tt>llvm/ADT/iterator.h</tt>" instead.</li>
<li>In the code generator, many MachineOperand predicates were renamed to be
<li>In the code generator, many <tt>MachineOperand</tt> predicates were renamed to be
shorter (e.g. <tt>isFrameIndex()</tt> -&gt; <tt>isFI()</tt>),
<tt>SDOperand</tt> was renamed to <tt>SDValue</tt> (and the "<tt>Val</tt>"
member was changed to be the <tt>getNode()</tt> accessor), and the
@ -560,7 +560,7 @@ components, please contact us on the <a
href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev">LLVMdev list</a>.</p>
<ul>
<li>The MSIL, IA64, Alpha, SPU, and MIPS backends are experimental.</li>
<li>The MSIL, IA64, Alpha, SPU, MIPS, and PIC16 backends are experimental.</li>
<li>The llc "<tt>-filetype=asm</tt>" (the default) is the only supported
value for this option.</li>
</ul>