[clang] [CIR][X86] Add support for alignd builtins (PR #171621)

[Andy Kaylor via cfe-commits]

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@@ -1154,9 +1154,6 @@ mlir::Value CIRGenFunction::emitX86BuiltinExpr(unsigned builtinID,
   case X86::BI__builtin_ia32_palignr128:
   case X86::BI__builtin_ia32_palignr256:
   case X86::BI__builtin_ia32_palignr512:
-  case X86::BI__builtin_ia32_alignd128:
-  case X86::BI__builtin_ia32_alignd256:
-  case X86::BI__builtin_ia32_alignd512:
   case X86::BI__builtin_ia32_alignq128:
   case X86::BI__builtin_ia32_alignq256:
   case X86::BI__builtin_ia32_alignq512:
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andykaylor wrote:

These builtins should use the same implementation as the `alignd` builtins.

https://github.com/llvm/llvm-project/pull/171621