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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2011-02-20 13:23:43 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2011-02-20 13:23:43 +0000 |
| commit | 91e37ef278779c3c8700bbddbb5c9d37739b1716 (patch) | |
| tree | 8af592d9d6408992eb6af45dc74fcb3efca98aba /lib/Transforms/Utils/Local.cpp | |
| parent | ed9b934f65d82324506f03e2db2834682c7a8914 (diff) | |
InstCombine: Add a bunch of combines of the form x | (y ^ z).
We usually catch this kind of optimization through InstSimplify's distributive
magic, but or doesn't distribute over xor in general.
"A | ~(A | B) -> A | ~B" hits 24 times on gcc.c.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126081 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/Local.cpp')
0 files changed, 0 insertions, 0 deletions