[Mlir-commits] [mlir] [mlir] [LLVM IR] Introduce VaArgOp (PR #109260)

[Markus Böck]

================
@@ -582,6 +582,26 @@ def LLVM_LandingpadOp : LLVM_Op<"landingpad"> {
   let hasVerifier = 1;
 }
 
+//===----------------------------------------------------------------------===//
+// VAArgOp
+//===----------------------------------------------------------------------===//
+
+def LLVM_VaArgOp : LLVM_Op<"va_arg"> {
+  let arguments = (ins LLVM_AnyPointer:$arg);
+  let results = (outs LLVM_Type:$res);
+
+  let builders = [LLVM_OneResultOpBuilder];
+
+  let llvmBuilder = " $res = builder.CreateVAArg($arg, $_resultType); ";
+  let assemblyFormat = "$arg attr-dict `:` `(` type($arg) `)` `->` type($res)";
----------------
zero9178 wrote:

```suggestion
  let assemblyFormat = "$arg attr-dict `:` functional-type($arg, $res)";
```

https://github.com/llvm/llvm-project/pull/109260