[llvm] [X86] Remove X86ISD::VSHLDV/VSHRDV and use ISD::FSHL/FSHR opcodes directly (PR #157616)

[Ye Tian via llvm-commits]

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@@ -12298,72 +12298,76 @@ defm : vpclmulqdq_aliases<"VPCLMULQDQZ256", VR256X, i256mem>;
 // VBMI2
 //===----------------------------------------------------------------------===//
 
-multiclass VBMI2_shift_var_rm<bits<8> Op, string OpStr, SDNode OpNode,
+multiclass VBMI2_shift_var_rm<bits<8> Op, string OpStr, SDNode OpNode, bit SwapLR,
                               X86FoldableSchedWrite sched, X86VectorVTInfo VTI> {
   let Constraints = "$src1 = $dst",
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TianYe717 wrote:

I'll double-check the constraints and operand order with SwapLR, thanks!

https://github.com/llvm/llvm-project/pull/157616