There's more context in the thread where it was upstreamed: https://lists.llvm.org/pipermail/llvm-dev/2016-February/095118.html https://lists.llvm.org/pipermail

There's more context in the thread where it was upstreamed: https://lists.llvm.org/pipermail/llvm-dev/2016-February/095118.html https://lists.llvm.org/pipermail/llvm-dev/2016-February/0951... Some notable comments: > I was going to mention it, but you guys know very well the drill, so unless this hardware changes fundamental parts of the middle end in ways that are unnatural to most other targets (doesn't seem that way), then I see no reason why not have it upstream. > I see no problem with having the backend upstream with the understanding that all the normal policies apply. Getting more people working on ToT is valuable to the community as a whole and provided it's "just another backend" with plenty of tests, the cost is low.