[clang] [CIR][AArch64] Upstream vector-shift-right-and-insert NEON builtins (PR #196776)

[Vicky Nguyen via cfe-commits]

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@@ -369,12 +369,96 @@ static mlir::Value emitCommonNeonSISDBuiltinExpr(
   case NEON::BI__builtin_neon_vmaxv_f32:
   case NEON::BI__builtin_neon_vmaxvq_f32:
   case NEON::BI__builtin_neon_vmaxvq_f64:
-    return emitNeonCall(cgf.cgm, cgf.getBuilder(),
-                        {cgf.convertType(expr->getArg(0)->getType())}, ops,
-                        llvmIntrName, cgf.convertType(expr->getType()), loc);
+  case NEON::BI__builtin_neon_vsrid_n_s64:
+  case NEON::BI__builtin_neon_vsrid_n_u64:
+    break;
   }
 
-  return nullptr;
+  // Generic handling based on TypeModifier flags, mirroring
+  // EmitCommonNeonSISDBuiltinExpr + LookupNeonLLVMIntrinsic in ARM.cpp.
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iamvickynguyen wrote:

That's a good point! I've moved the logic into `deriveNeonIntrinsicOperandTypes()`

https://github.com/llvm/llvm-project/pull/196776