[llvm] [X86] Add missing immediate arg tag to VRNDSCALES instruction names (PR #117203)

[Simon Pilgrim via llvm-commits]

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@@ -154,14 +154,14 @@ static bool performCustomAdjustments(MachineInstr &MI, unsigned NewOpc) {
   case X86::VRNDSCALEPDZ256rmi:
   case X86::VRNDSCALEPSZ256rri:
   case X86::VRNDSCALEPSZ256rmi:
-  case X86::VRNDSCALESDZr:
-  case X86::VRNDSCALESDZm:
-  case X86::VRNDSCALESSZr:
-  case X86::VRNDSCALESSZm:
-  case X86::VRNDSCALESDZr_Int:
-  case X86::VRNDSCALESDZm_Int:
-  case X86::VRNDSCALESSZr_Int:
-  case X86::VRNDSCALESSZm_Int:
+  case X86::VRNDSCALESDZri:
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RKSimon wrote:

Yes, a lot of the scalar variants don't do this consistently, especially when they are unary - so far its something I've been managing to avoid. But rndscale is easier to fix than others (which share more tablegen macrodefs) - I'll see what I can do.

https://github.com/llvm/llvm-project/pull/117203