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I'm still digesting the proposal in its entirety, but one point I want to call out here: On Tue, Oct 18, 2016 at 1:39 PM Friedman, Eli via llvm-dev < llvm-dev at lists.llvm.org> wrote: > Instcombine currently transforms "memcpy(dst, src, 4)" to "load i32 src; > store i32 dst". I guess that's illegal under this model? How about the > related transform

...e generates to facilitate vector operations on values of vector type. So for example, a vector of 32 i1s is likely to be put into a vector mask register. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20161104/d43cfd57/attachment.html>