[Mlir-commits] [mlir] [MLIR][LLVM] Add vararg support in LLVM::LLVMFuncOp (PR #67274)

[Christian Ulmann]

================
@@ -1412,12 +1542,26 @@ ParseResult InvokeOp::parse(OpAsmParser &parser, OperationState &result) {
       parser.parseKeyword("to") ||
       parser.parseSuccessorAndUseList(normalDest, normalOperands) ||
       parser.parseKeyword("unwind") ||
-      parser.parseSuccessorAndUseList(unwindDest, unwindOperands) ||
-      parser.parseOptionalAttrDict(result.attributes))
+      parser.parseSuccessorAndUseList(unwindDest, unwindOperands))
+    return failure();
+
+  bool isVarArg = parser.parseOptionalKeyword("vararg").succeeded();
+  if (isVarArg) {
+    if (parser.parseLParen().failed() ||
+        !parser
+             .parseOptionalAttribute(calleeType, "callee_type",
+                                     result.attributes)
+             .has_value() ||
+        parser.parseRParen().failed())
+      return failure();
+  }
+
+  if (parser.parseOptionalAttrDict(result.attributes))
     return failure();
 
   // Parse the trailing type list and resolve the function operands.
-  if (parseCallTypeAndResolveOperands(parser, result, isDirect, operands))
+  if (parseCallTypeAndResolveOperands(parser, result, isDirect, operands,
+                                      /*isVarArg*/ false))
----------------
Dinistro wrote:

```suggestion
                                      /*isVarArg=*/false))
```

https://github.com/llvm/llvm-project/pull/67274