serge-sans-paille 07bb29d8ff

[OptTable] Precompute OptTable prefixes union table through tablegen ...

This avoid rediscovering this table when reading each options, providing
a sensible 2% speedup when processing and empty file, and a measurable
speedup on typical workloads, see:

This is optional, the legacy, on-the-fly, approach can still be used
through the GenericOptTable class, while the new one is used through
PrecomputedOptTable.

https://llvm-compile-time-tracker.com/compare.php?from=4da6cb3202817ee2897d6b690e4af950459caea4&to=19a492b704e8f5c1dea120b9c0d3859bd78796be&stat=instructions:u

Differential Revision: https://reviews.llvm.org/D140800

2023-01-12 12:08:06 +01:00

..

CMakeLists.txt

[Support] Move TargetParsers to new component

2022-12-20 11:05:50 +00:00

llvm-size.cpp

[OptTable] Precompute OptTable prefixes union table through tablegen

2023-01-12 12:08:06 +01:00

Opts.td

…