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[X86][BtVer2] Use ReadAfterLd entries for the register operands of CMPXCHG.

Authored by andreadb on Aug 20 2019, 10:05 AM.

Description

[X86][BtVer2] Use ReadAfterLd entries for the register operands of CMPXCHG.

This is a follow-up of r369365.

llvm-svn: 369412

Details

Committed
andreadbAug 20 2019, 10:05 AM
Parents
rG2e68e4d60e9f: [InstCombine] make fold for icmp with sext more efficient; NFC
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