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Commit 8b09a464 authored by Christopher Lamb's avatar Christopher Lamb
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Fold certain additions through selects (and their compares) so as to eliminate... 

Fold certain additions through selects (and their compares) so as to eliminate subtractions. This code is often produced by the SMAX expansion in SCEV.

This implements test/Transforms/InstCombine/2007-12-18-AddSelCmpSub.ll

llvm-svn: 45158
parent 91e0fc9c
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