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Commit 56415772 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86] Add CBW/CDQ/CDQE/CQO/CWD/CWDE to WriteALU schedule class 

Some CPUs are already overriding these sign extension instructions but we should be able to use the WriteALU schedule class by default.

Differential Revision: https://reviews.llvm.org/D39899

llvm-svn: 318308
parent 572a87c7
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