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72cce21049
Even at -O0, we fall back to SDAG when we hit intrinsics, and if the intrinsic is a memset/memcpy/etc. we might normally use vector types. At -O0, this is probably not a good idea (because, if there is a bug in the lowering code, there would be no good way to turn it off). At -O0, only use scalar preferred types. Related to PR22754. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233755 91177308-0d34-0410-b5e6-96231b3b80d8
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