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cf80bc1d4a
threading of shifts over selects and phis while there. This fires here and there in the testsuite, to not much effect. For example when compiling spirit it fires 5 times, during early-cse, resulting in 6 more cse simplifications, and 3 more terminators being folded by jump threading, but the final bitcode doesn't change in any interesting way: other optimizations would have caught the opportunity anyway, only later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123441 91177308-0d34-0410-b5e6-96231b3b80d8
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