[PATCH] D37885: [x86] Bring back the MOVZX64rr* pseudo instructions so that they can be coalesced using X86InstrInfo::isCoalescableExtInstr

Oren Ben Simhon via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 10 05:57:09 PDT 2017

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oren_ben_simhon added a comment.

Is it possible to change InstrEmitter/peephole pass to coalesce even in cases of SUBREG_TO_REG?


https://reviews.llvm.org/D37885

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