Paul C. Anagnostopoulos 54f9ee3341 [TableGen] Add frontend/backend phase timing capability. ...

Describe in the BackEnd Developer's Guide. Instrument a few backends.

Remove an old unused timing facility. Add a null backend for timing
the parser.

Differential Revision: https://reviews.llvm.org/D91388

2020-11-14 10:10:29 -05:00

9.7 KiB

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