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| -rw-r--r-- | docs/ReleaseNotes.html | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index 69132c4..eb8a256 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -98,9 +98,17 @@ optimizer, speeding it up and making it more aggressive</p> <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 |