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...gnostopoulos shared thoughts on [improving performance of TableGen `-emit-dag-isel`](http://lists.llvm.org/pipermail/llvm-dev/2020-November/146563.html), at a small cost to code size. This triggered further discussion and proposals. ## LLVM commits * llvm-build has been replaced by plain CMake. [9218ff5](https://reviews.llvm.org/rG9218ff50f93). * TableGen gained a `!filter` bang operator. [91d2e5c](https://reviews.llvm.org/rG91d2e5c81ae). * `!annotation` metadata was introduced alongside a pass that emits summary remarks per function with counts for each annotation kind. [8bb6347](https://review...