[clang] [CIR] Upstream initial function call support (PR #134673)

[Sirui Mu via cfe-commits]

================
@@ -1242,6 +1242,43 @@ def FuncOp : CIR_Op<"func", [
   let hasVerifier = 1;
 }
 
+//===----------------------------------------------------------------------===//
+// CallOp
+//===----------------------------------------------------------------------===//
+
+class CIR_CallOp<string mnemonic, list<Trait> extra_traits = []>
+    : Op<CIR_Dialect, mnemonic,
+         !listconcat(extra_traits,
+                     [DeclareOpInterfaceMethods<CIRCallOpInterface>,
+                      DeclareOpInterfaceMethods<SymbolUserOpInterface>])> {
+  let hasCustomAssemblyFormat = 1;
+  let skipDefaultBuilders = 1;
+  let hasVerifier = 0;
----------------
Lancern wrote:

Updated.

https://github.com/llvm/llvm-project/pull/134673