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
@@ -1122,12 +1122,13 @@
 
     // Sugar i1 constants with 'true' and 'false'.
     if (intTy && intTy.getWidth() == 1)
-      return setNameFn(getResult(), (intCst.getInt() ? "true" : "false"));
+      return setNameFn(getResult(),
+                       (intCst.getValue().getZExtValue() ? "true" : "false"));
 
     // 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' << intCst.getValue().getSExtValue();
     if (intTy)
       specialName << '_' << type;
     setNameFn(getResult(), specialName.str());