diff --git a/test/SDFG/Converter/toSDFG/func/entry.mlir b/test/SDFG/Converter/toSDFG/func/entry.mlir
new file mode 100644
index 00000000..580882bf
--- /dev/null
+++ b/test/SDFG/Converter/toSDFG/func/entry.mlir
@@ -0,0 +1,11 @@
+// RUN: sdfg-opt --convert-to-sdfg=main-func-name="f2" %s | sdfg-opt | FileCheck %s
+// CHECK: arith.addi
+func.func private @f1(%arg1: i32, %arg2: i32) -> i32 {
+  %c0 = arith.subi %arg1, %arg2 : i32
+  return %c0 : i32
+}
+
+func.func private @f2(%arg1: i32, %arg2: i32) -> i32 {
+  %c0 = arith.addi %arg1, %arg2 : i32
+  return %c0 : i32
+}
diff --git a/test/SDFG/Converter/toSDFG/func/entry2.mlir b/test/SDFG/Converter/toSDFG/func/entry2.mlir
new file mode 100644
index 00000000..3b2e0dbd
--- /dev/null
+++ b/test/SDFG/Converter/toSDFG/func/entry2.mlir
@@ -0,0 +1,11 @@
+// RUN: sdfg-opt --convert-to-sdfg=main-func-name="f1" %s | sdfg-opt | FileCheck %s
+// CHECK: arith.subi
+func.func private @f1(%arg1: i32, %arg2: i32) -> i32 {
+  %c0 = arith.subi %arg1, %arg2 : i32
+  return %c0 : i32
+}
+
+func.func private @f2(%arg1: i32, %arg2: i32) -> i32 {
+  %c0 = arith.addi %arg1, %arg2 : i32
+  return %c0 : i32
+}