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Commit 67882bd9 authored by Craig Topper's avatar Craig Topper
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[AVX-512] Teach X86InstrInfo::copyPhysReg to use a 512-bit move if XMM16-XMM31... 

[AVX-512] Teach X86InstrInfo::copyPhysReg to use a 512-bit move if XMM16-XMM31 or YMM16-YMM31 are the source or dest of the copy and VLX is not supported.

This can happen with SUBREG_TO_REG of ZMM16-ZMM31. Fixes PR30430.

llvm-svn: 281959
parent 9820e341
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