llvm-project

4a9b6b05 - [X86] Cleanup lowerShuffleToEXPAND arg layout. NFC.

[X86] Cleanup lowerShuffleToEXPAND arg layout. NFC. Reorder the arg layout to match (most) other lowerShuffle* calls. Rename to lowerShuffleWithEXPAND to match other lowering cases where we lower to a single node.