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d11c5d08a5
This turns loops like
for (unsigned i = 0; i != n; ++i)
p[i] = p[i+1];
into memmove, which has a highly optimized implementation in most libcs.
This was really easy with the new DependenceAnalysis :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166875 91177308-0d34-0410-b5e6-96231b3b80d8
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