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authorChris Lattner <sabre@nondot.org>2010-04-16 06:20:22 +0000
committerChris Lattner <sabre@nondot.org>2010-04-16 06:20:22 +0000
commit8b5d9c89146c012f8e532c03720814b84b4ee359 (patch)
treee95cf73a5f9fe6731fa4e18a7c0dc7ab9ad0e1f0 /docs/ReleaseNotes.html
parent64b7bf71e84094193b40ab81aa7dacad921ecbea (diff)
downloadexternal_llvm-8b5d9c89146c012f8e532c03720814b84b4ee359.zip
external_llvm-8b5d9c89146c012f8e532c03720814b84b4ee359.tar.gz
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completed my pass over all 6+ months of commits, next step, format and make comprehendable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101449 91177308-0d34-0410-b5e6-96231b3b80d8
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diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
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+++ b/docs/ReleaseNotes.html
@@ -62,7 +62,7 @@ current one. To see the release notes for a specific release, please see the
<p>FIXME: llvm.org moved to new server, mention new logo, Ted and Doug new code
- owners.</p>
+ owners, web page in llvm-www repos.</p>
</div>
@@ -534,15 +534,29 @@ New SSAUpdater and MachineSSAUpdater classes for unstructured ssa updating,
Combiner-AA improvements, why not on by default?
Pre-regalloc tail duplication
x86 sibcall / tailcall optimization in CCC mode.
-New LSR with full strength reduction mode
-The most awesome sext / zext optimization pass. ?
+New LSR with "full strength reduction" mode. Description?
+Codegen level OptimizeExtsPass pass, takes advantage of x86 subregs.
Better code size analysis in loop unswitch, inliner code split out to a new
CodeMetrics class for reuse.
The ARM backend now has good support for ARMv4 backend (tested on StrongARM
hardware), previously only supported ARMv4T and newer.
Half-float support in APFloat
Indirect branch + address of label (blog post), particularly useful for interpreters.
-Many changes to the pass ordering for improved optimization effectiveness.
+Many changes to the pass ordering for improved optimization effectiveness.
+BasicAA improved to be less dependent on "type safe" pointers, it can now look
+ through bitcasts more aggressively.
+GVN PHI Translation improvements. blog post: http://blog.llvm.org/2009/12/advanced-topics-in-redundant-load.html
+llvm.objectsize.
+MachineSSAUpdater.h
+PostRA scheduler for X86?
+llvm.dbg.value, not being used by default though, more in 2.8. Many improvements to debug info
+Support for the GCC option -fno-schedule-insns
+non-temporal load/store
+libllvm2.7.so?? configure with --enable-shared
+dbgs() and -debug-buffer-size=N
+New MicroBlaze backend. http://en.wikipedia.org/wiki/MicroBlaze
+XMM subreg modeling for extraction of the low element.
+
Opt now works conservatively if no target data is set (is this fully working?)
Target data now has notion of 'native' integer data types which optimizations can use.
@@ -556,9 +570,9 @@ X86 and XCore supports returning arbitrary return values, returning too many val
verbose-asm now produces information about spill slots and loop nests
-Defaults to RTTI off, packagers should build with make REQUIRE_RTTI=1.
-AndersAA got removed (from 2.7 or mainline?)
-PredSimplify, LoopVR, GVNPRE got removed.
+Defaults to RTTI off (smaller code size!), packagers should build with make REQUIRE_RTTI=1.
+AndersAA got removed
+PredSimplify, LoopVR, GVNPRE, RSProfiling (random sampling profiling) got removed.
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.