<div dir="ltr">For what it's worth, I've recently been running into problems related to the NATIVE tablegen build for optimized tablegen usage in debug builds. In my case, it was (and may still be) unnecessarily rebuilding tablegen related files every time, even though nothing has changed, which in turn causes the rest of the build to trigger (as Visual Studio sees things as being out-of-date). I forget the exact details, but can dig them out later if someone is interested in investigating further.
I haven't had the time to dig into this properly myself, but it is frequently hurting my productivity.<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 20 Dec 2020 at 21:32, Paul C. Anagnostopoulos via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Thank you, sir! Indeed, -DLLVM_OPTIMIZED_TABLEGEN=ON was the problem. Everything is back to normal with =OFF.<br>
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At 12/19/2020 08:48 PM, Reid Kleckner wrote:<br>
>This seems like a bug in LLVM_OPTIMIZED_TABLEGEN. What you are describing works in the standard configuration.<br>
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