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fc03e72b4f
When a shift with extension or an add with shift and extension cannot be folded into the memory operation, then the address calculation has to be materialized separately. While doing so the code forgot to consider a possible sign-/zero- extension. This fix folds now also the sign-/zero-extension into the add or shift instruction which is used to materialize the address. This fixes rdar://problem/18141718. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216511 91177308-0d34-0410-b5e6-96231b3b80d8
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