diff --git a/mlir/include/mlir/Dialect/StandardOps/IR/Ops.td b/mlir/include/mlir/Dialect/StandardOps/IR/Ops.td
--- a/mlir/include/mlir/Dialect/StandardOps/IR/Ops.td
+++ b/mlir/include/mlir/Dialect/StandardOps/IR/Ops.td
@@ -1589,6 +1589,7 @@
 
 def DivFOp : FloatArithmeticOp<"divf"> {
   let summary = "floating point division operation";
+  let hasFolder = 1;
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/mlir/lib/Dialect/StandardOps/IR/Ops.cpp b/mlir/lib/Dialect/StandardOps/IR/Ops.cpp
--- a/mlir/lib/Dialect/StandardOps/IR/Ops.cpp
+++ b/mlir/lib/Dialect/StandardOps/IR/Ops.cpp
@@ -1483,6 +1483,15 @@
                  DimOfCastOp<tensor::CastOp>>(context);
 }
 
+// ---------------------------------------------------------------------------
+// DivFOp
+// ---------------------------------------------------------------------------
+
+OpFoldResult DivFOp::fold(ArrayRef<Attribute> operands) {
+  return constFoldBinaryOp<FloatAttr>(
+      operands, [](APFloat a, APFloat b) { return a / b; });
+}
+
 // ---------------------------------------------------------------------------
 // DmaStartOp
 // ---------------------------------------------------------------------------