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25e6d48220
The normal tBX instruction is predicable, so there's no reason the pseudos for using it as a return shouldn't be. Gives us some nice code-gen improvements as can be seen by the test changes. In particular, several tests now have to disable if-conversion because it works too well and defeats the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134746 91177308-0d34-0410-b5e6-96231b3b80d8
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