diff --git a/csrc/ir/internal_nodes.h b/csrc/ir/internal_nodes.h
index 7352e7fc96e..df9b0bf50c9 100644
--- a/csrc/ir/internal_nodes.h
+++ b/csrc/ir/internal_nodes.h
@@ -320,6 +320,8 @@ class NVF_API UnaryOp : public Expr {
     return "UnaryOp";
   }
 
+  std::string getGraphvizLabel() const override;
+
   std::vector<PolymorphicValue> evaluate(
       const ExpressionEvaluator& ee,
       const std::vector<PolymorphicValue>& inputs) const override;
@@ -358,6 +360,8 @@ class NVF_API BinaryOp : public Expr {
     return "BinaryOp";
   }
 
+  std::string getGraphvizLabel() const override;
+
   std::vector<PolymorphicValue> evaluate(
       const ExpressionEvaluator& ee,
       const std::vector<PolymorphicValue>& inputs) const override;
@@ -405,6 +409,8 @@ class TernaryOp : public Expr {
     return "TernaryOp";
   }
 
+  std::string getGraphvizLabel() const override;
+
   std::vector<PolymorphicValue> evaluate(
       const ExpressionEvaluator& ee,
       const std::vector<PolymorphicValue>& inputs) const override;
@@ -1445,15 +1451,15 @@ class NVF_API MmaOp : public Expr {
     return attribute<MmaMacro>(ATTR_POS_MACRO);
   }
 
-  int m() const {
+  int64_t m() const {
     return getM(macro());
   }
 
-  int n() const {
+  int64_t n() const {
     return getN(macro());
   }
 
-  int k() const {
+  int64_t k() const {
     return getK(macro());
   }
 
diff --git a/csrc/ir/nodes.cpp b/csrc/ir/nodes.cpp
index 33b5ce0b345..fd021239f93 100644
--- a/csrc/ir/nodes.cpp
+++ b/csrc/ir/nodes.cpp
@@ -557,6 +557,12 @@ std::string UnaryOp::toInlineString(int indent_size) const {
   return ss.str();
 }
 
+std::string UnaryOp::getGraphvizLabel() const {
+  std::stringstream ss;
+  ss << getOpString() << "(" << getUnaryOpType() << ")";
+  return ss.str();
+}
+
 NVFUSER_DEFINE_CLONE_AND_CREATE(UnaryOp)
 
 BinaryOp::BinaryOp(
@@ -724,6 +730,12 @@ std::string BinaryOp::toInlineString(int indent_size) const {
   return ss.str();
 }
 
+std::string BinaryOp::getGraphvizLabel() const {
+  std::stringstream ss;
+  ss << getOpString() << "(" << getBinaryOpType() << ")";
+  return ss.str();
+}
+
 NVFUSER_DEFINE_CLONE_AND_CREATE(BinaryOp)
 
 TernaryOp::TernaryOp(
@@ -825,6 +837,12 @@ std::string TernaryOp::toInlineString(int indent_size) const {
   return ss.str();
 }
 
+std::string TernaryOp::getGraphvizLabel() const {
+  std::stringstream ss;
+  ss << getOpString() << "(" << getTernaryOpType() << ")";
+  return ss.str();
+}
+
 NVFUSER_DEFINE_CLONE_AND_CREATE(TernaryOp)
 
 ArrayConstruct::ArrayConstruct(