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79ec2ed417
This uses the target-dependent selection code for shifts first, which allows us to create better code for shifts with immediates and sign-/zero-extend folding. Vector type are not handled yet and the code falls back to target-independent instruction selection for these cases. This fixes rdar://problem/17907920. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216985 91177308-0d34-0410-b5e6-96231b3b80d8