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Commit 5b92eb00 authored by Craig Topper's avatar Craig Topper
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[X86] Redefine KUNPCK instructions to take a narrower source register class... 

[X86] Redefine KUNPCK instructions to take a narrower source register class than destination register class. Remove copies from the isel output pattern.

There's no reason for the inputs to be the destination register class. This just
forces an unnecessary copy in the output patterns.

llvm-svn: 358362
parent 96950f1f
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