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

[Tobias Gysi]

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@@ -1563,6 +1571,19 @@ llvm.func @invokeLandingpad() -> i32 attributes { personality = @__gxx_personali
 // CHECK-NEXT:          to label %[[normal]] unwind label %[[unwind]]
 ^bb3:	// pred: ^bb1
   %8 = llvm.invoke @bar(%6) to ^bb2 unwind ^bb1 : (!llvm.ptr<i8>) -> !llvm.ptr<i8>
+
+// CHECK: [[BB4:.*]]:
+// CHECK: invoke void (ptr, ...) @vararg_foo(ptr %[[a1]], i32 0)
+// CHECK-NEXT: to label %[[normal:[0-9]+]] unwind label %[[unwind:[0-9]+]]
+^bb4:
+  llvm.invoke @vararg_foo(%6, %0) to ^bb2 unwind ^bb1 vararg(!llvm.func<void (ptr<i8>, ...)>) : (!llvm.ptr<i8>, i32) -> ()
+
+// CHECK: [[BB5:.*]]:
+// CHECK: invoke void (ptr, ...) undef(ptr %[[a1]], i32 0)
+// CHECK-NEXT: to label %[[normal:[0-9]+]] unwind label %[[unwind:[0-9]+]]
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gysit wrote:

```suggestion
```
nit: i would probably drop that since it seems not relevant for this test?

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