[X86] lowerV64I8Shuffle - prefer VPERMV3 byte shuffles to OR(PSHUFB,PSHUFB) on VBMI targets#182852
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…SHUFB) on VBMI targets Minor improvement for llvm#137422
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…SHUFB) on VBMI targets (llvm#182852) Minor improvement for llvm#137422 (cherry picked from commit 8f5880d)
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…SHUFB) on VBMI targets (llvm#182852) Minor improvement for llvm#137422 (cherry picked from commit 8f5880d)
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…SHUFB) on VBMI targets (llvm#182852) Minor improvement for llvm#137422 (cherry picked from commit 8f5880d)
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Minor improvement for #137422