[llvm-commits] [llvm] r42286 - /llvm/trunk/docs/ReleaseNotes.html

Owen Anderson resistor at mac.com
Mon Sep 24 19:10:58 PDT 2007


Author: resistor
Date: Mon Sep 24 21:10:58 2007
New Revision: 42286

URL: http://llvm.org/viewvc/llvm-project?rev=42286&view=rev
Log:
Fill in the sections about my contributions.

Modified:
    llvm/trunk/docs/ReleaseNotes.html

Modified: llvm/trunk/docs/ReleaseNotes.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/ReleaseNotes.html?rev=42286&r1=42285&r2=42286&view=diff

==============================================================================
--- llvm/trunk/docs/ReleaseNotes.html (original)
+++ llvm/trunk/docs/ReleaseNotes.html Mon Sep 24 21:10:58 2007
@@ -98,9 +98,17 @@
 
 <ul>
 
-<li>Owen DSE and MemDep analysis</li>
-<li>Owen GVN</li>
-<li>Owen GVN-PRE, not in llvm-gcc</li>
+<li>Owen Anderson wrote the new MemoryDependenceAnalysis pass, which provides 
+    a lazy, caching layer on top of alias analysis.  He then used it to rewrite
+    DeadStoreElimination which resulted in significantly better compile time in 
+    common cases, </li>
+<li>Owen implemented the new GVN pass, which is also based on 
+    MemoryDependenceAnalysis.  This pass replaces GCSE/LoadVN in the standard
+    set of passes, providing more aggressive optimization at a some-what 
+    improved compile-time cost.</li>
+<li>Owen implemented GVN-PRE, a partial redundancy elimination algorithm that
+    shares some details with the new GVN pass.  It is still in need of compile
+    time tuning, and is not turned on by default.</li>
 <li>Devang merged ETForest and DomTree into a single easier to use data
 structure.</li>
 <li>Nick Lewycky improved loop trip count analysis to handle many more common





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