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
@@ -878,7 +878,14 @@
     // Otherwise, build a complex name with the value and type.
     SmallString<32> specialNameBuffer;
     llvm::raw_svector_ostream specialName(specialNameBuffer);
-    specialName << 'c' << intCst.getInt();
+    specialName << 'c';
+    if (intTy && intTy.isSigned())
+      specialName << intCst.getSInt();
+    else if (intTy && intTy.isUnsigned())
+      specialName << intCst.getUInt();
+    else
+      specialName << intCst.getInt();
+
     if (intTy)
       specialName << '_' << type;
     setNameFn(getResult(), specialName.str());
diff --git a/mlir/test/IR/core-ops.mlir b/mlir/test/IR/core-ops.mlir
--- a/mlir/test/IR/core-ops.mlir
+++ b/mlir/test/IR/core-ops.mlir
@@ -98,6 +98,12 @@
   // CHECK: %cst = constant 4.300000e+01 : bf16
   %9 = constant 43.0 : bf16
 
+  // CHECK: %c42_si32 = constant 42 : si32
+  %c42_si32 = constant 42 : si32
+
+  // CHECK: %c42_ui32 = constant 42 : ui32
+  %c42_ui32 = constant 42 : ui32
+
   // CHECK: %f = constant @func_with_ops : (f32) -> ()
   %10 = constant @func_with_ops : (f32) -> ()