[clang] [CIR] Add side effect attribute to call operations (PR #144201)

[Andy Kaylor via cfe-commits]

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@@ -24,16 +24,17 @@ let cppNamespace = "::cir" in {
   def CIRCallOpInterface : OpInterface<"CIRCallOpInterface", [CallOpInterface]> {
     // Currently we don't have any methods defined in CIRCallOpInterface. We'll
     // add more methods as the upstreaming proceeds.
-    let methods = [
-      InterfaceMethod<
-          "Return the operand at index 'i', accounts for indirect call or "
-          "exception info",
-          "mlir::Value", "getArgOperand",
-          (ins "unsigned":$i)>,
-      InterfaceMethod<
-          "Return the number of operands, accounts for indirect call or "
-          "exception info",
-          "unsigned", "getNumArgOperands", (ins)>,
+    let methods =
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andykaylor wrote:

Why did you make this change?

https://github.com/llvm/llvm-project/pull/144201