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Differential D92410

Summary: Fixed a broken link to the 'Widening integer arithmetic' paper in document.
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Authored by dougpuob on Dec 1 2020, 10:41 AM.
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llvm/docs/CodeGenerator.rst

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Legalize passes, which allows Legalize to be very simple (it can focus on making Legalize passes, which allows Legalize to be very simple (it can focus on making
code legal instead of focusing on generating *good* and legal code). code legal instead of focusing on generating *good* and legal code).
One important class of optimizations performed is optimizing inserted sign and One important class of optimizations performed is optimizing inserted sign and
zero extension instructions. We currently use ad-hoc techniques, but could move zero extension instructions. We currently use ad-hoc techniques, but could move
to more rigorous techniques in the future. Here are some good papers on the to more rigorous techniques in the future. Here are some good papers on the
subject: subject:
"`Widening integer arithmetic <http://www.eecs.harvard.edu/~nr/pubs/widen-abstract.html>`_" :raw-html:`<br>` "`Widening integer arithmetic <https://dash.harvard.edu/handle/1/23017123>`_" :raw-html:`<br>`
Kevin Redwine and Norman Ramsey :raw-html:`<br>` Kevin Redwine and Norman Ramsey :raw-html:`<br>`
International Conference on Compiler Construction (CC) 2004 International Conference on Compiler Construction (CC) 2004
"`Effective sign extension elimination <http://portal.acm.org/citation.cfm?doid=512529.512552>`_" :raw-html:`<br>` "`Effective sign extension elimination <http://portal.acm.org/citation.cfm?doid=512529.512552>`_" :raw-html:`<br>`
Motohiro Kawahito, Hideaki Komatsu, and Toshio Nakatani :raw-html:`<br>` Motohiro Kawahito, Hideaki Komatsu, and Toshio Nakatani :raw-html:`<br>`
Proceedings of the ACM SIGPLAN 2002 Conference on Programming Language Design Proceedings of the ACM SIGPLAN 2002 Conference on Programming Language Design
and Implementation. and Implementation.
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