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4c70875774
Add new micro-optimizations. Add icmp predicate snuggling. Given %x ULT 4, "icmp ugt %x, 2" becomes "icmp eq %x, 3". This doesn't apply in any non-trivial cases yet due to missing support for NE values in ValueRanges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35119 91177308-0d34-0410-b5e6-96231b3b80d8
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