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Commit 87722289 authored by Craig Topper's avatar Craig Topper
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[X86] Use SIGN_EXTEND rather than ZERO_EXTEND for lowering extract_vector_elt... 

[X86] Use SIGN_EXTEND rather than ZERO_EXTEND for lowering extract_vector_elt from vXi1 with a non-const index.

We have a better range of instructions we can use if we can fill with the value i1 value rather than zeroing.

llvm-svn: 321315
parent 37ae5afb
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