diff --git a/mlir/lib/Pass/IRPrinting.cpp b/mlir/lib/Pass/IRPrinting.cpp
--- a/mlir/lib/Pass/IRPrinting.cpp
+++ b/mlir/lib/Pass/IRPrinting.cpp
@@ -126,7 +126,8 @@
     beforePassFingerPrints.try_emplace(pass, op);
 
   config->printBeforeIfEnabled(pass, op, [&](raw_ostream &out) {
-    out << "// -----// IR Dump Before " << pass->getName();
+    out << "// -----// IR Dump Before " << pass->getName() << " ("
+        << pass->getArgument() << ")";
     printIR(op, config->shouldPrintAtModuleScope(), out,
             config->getOpPrintingFlags());
     out << "\n\n";
@@ -156,7 +157,8 @@
   }
 
   config->printAfterIfEnabled(pass, op, [&](raw_ostream &out) {
-    out << "// -----// IR Dump After " << pass->getName();
+    out << "// -----// IR Dump After " << pass->getName() << " ("
+        << pass->getArgument() << ")";
     printIR(op, config->shouldPrintAtModuleScope(), out,
             config->getOpPrintingFlags());
     out << "\n\n";
@@ -170,7 +172,8 @@
     beforePassFingerPrints.erase(pass);
 
   config->printAfterIfEnabled(pass, op, [&](raw_ostream &out) {
-    out << formatv("// -----// IR Dump After {0} Failed", pass->getName());
+    out << formatv("// -----// IR Dump After {0} Failed ({1})", pass->getName(),
+                   pass->getArgument());
     printIR(op, config->shouldPrintAtModuleScope(), out, OpPrintingFlags());
     out << "\n\n";
   });
diff --git a/mlir/test/Pass/ir-printing.mlir b/mlir/test/Pass/ir-printing.mlir
--- a/mlir/test/Pass/ir-printing.mlir
+++ b/mlir/test/Pass/ir-printing.mlir
@@ -15,53 +15,53 @@
   return
 }
 
-// BEFORE: // -----// IR Dump Before{{.*}}CSE //----- //
+// BEFORE: // -----// IR Dump Before{{.*}}CSE (cse) //----- //
 // BEFORE-NEXT: func @foo()
-// BEFORE: // -----// IR Dump Before{{.*}}CSE //----- //
+// BEFORE: // -----// IR Dump Before{{.*}}CSE (cse) //----- //
 // BEFORE-NEXT: func @bar()
-// BEFORE-NOT: // -----// IR Dump Before{{.*}}Canonicalizer //----- //
+// BEFORE-NOT: // -----// IR Dump Before{{.*}}Canonicalizer (canonicalize) //----- //
 // BEFORE-NOT: // -----// IR Dump After
 
-// BEFORE_ALL: // -----// IR Dump Before{{.*}}CSE //----- //
+// BEFORE_ALL: // -----// IR Dump Before{{.*}}CSE (cse) //----- //
 // BEFORE_ALL-NEXT: func @foo()
-// BEFORE_ALL: // -----// IR Dump Before{{.*}}Canonicalizer //----- //
+// BEFORE_ALL: // -----// IR Dump Before{{.*}}Canonicalizer (canonicalize) //----- //
 // BEFORE_ALL-NEXT: func @foo()
-// BEFORE_ALL: // -----// IR Dump Before{{.*}}CSE //----- //
+// BEFORE_ALL: // -----// IR Dump Before{{.*}}CSE (cse) //----- //
 // BEFORE_ALL-NEXT: func @bar()
-// BEFORE_ALL: // -----// IR Dump Before{{.*}}Canonicalizer //----- //
+// BEFORE_ALL: // -----// IR Dump Before{{.*}}Canonicalizer (canonicalize) //----- //
 // BEFORE_ALL-NEXT: func @bar()
 // BEFORE_ALL-NOT: // -----// IR Dump After
 
 // AFTER-NOT: // -----// IR Dump Before
-// AFTER: // -----// IR Dump After{{.*}}CSE //----- //
+// AFTER: // -----// IR Dump After{{.*}}CSE (cse) //----- //
 // AFTER-NEXT: func @foo()
-// AFTER: // -----// IR Dump After{{.*}}CSE //----- //
+// AFTER: // -----// IR Dump After{{.*}}CSE (cse) //----- //
 // AFTER-NEXT: func @bar()
-// AFTER-NOT: // -----// IR Dump After{{.*}}Canonicalizer //----- //
+// AFTER-NOT: // -----// IR Dump After{{.*}}Canonicalizer (canonicalize) //----- //
 
 // AFTER_ALL-NOT: // -----// IR Dump Before
-// AFTER_ALL: // -----// IR Dump After{{.*}}CSE //----- //
+// AFTER_ALL: // -----// IR Dump After{{.*}}CSE (cse) //----- //
 // AFTER_ALL-NEXT: func @foo()
-// AFTER_ALL: // -----// IR Dump After{{.*}}Canonicalizer //----- //
+// AFTER_ALL: // -----// IR Dump After{{.*}}Canonicalizer (canonicalize) //----- //
 // AFTER_ALL-NEXT: func @foo()
-// AFTER_ALL: // -----// IR Dump After{{.*}}CSE //----- //
+// AFTER_ALL: // -----// IR Dump After{{.*}}CSE (cse) //----- //
 // AFTER_ALL-NEXT: func @bar()
-// AFTER_ALL: // -----// IR Dump After{{.*}}Canonicalizer //----- //
+// AFTER_ALL: // -----// IR Dump After{{.*}}Canonicalizer (canonicalize) //----- //
 // AFTER_ALL-NEXT: func @bar()
 
-// BEFORE_MODULE: // -----// IR Dump Before{{.*}}CSE ('func.func' operation: @foo) //----- //
+// BEFORE_MODULE: // -----// IR Dump Before{{.*}}CSE (cse) ('func.func' operation: @foo) //----- //
 // BEFORE_MODULE: func @foo()
 // BEFORE_MODULE: func @bar()
-// BEFORE_MODULE: // -----// IR Dump Before{{.*}}CSE ('func.func' operation: @bar) //----- //
+// BEFORE_MODULE: // -----// IR Dump Before{{.*}}CSE (cse) ('func.func' operation: @bar) //----- //
 // BEFORE_MODULE: func @foo()
 // BEFORE_MODULE: func @bar()
 
-// AFTER_ALL_CHANGE: // -----// IR Dump After{{.*}}CSE //----- //
+// AFTER_ALL_CHANGE: // -----// IR Dump After{{.*}}CSE (cse) //----- //
 // AFTER_ALL_CHANGE-NEXT: func @foo()
-// AFTER_ALL_CHANGE-NOT: // -----// IR Dump After{{.*}}CSE //----- //
+// AFTER_ALL_CHANGE-NOT: // -----// IR Dump After{{.*}}CSE (cse) //----- //
 // We expect that only 'foo' changed during CSE, and the second run of CSE did
 // nothing.
 
 // AFTER_FAILURE-NOT: // -----// IR Dump After{{.*}}CSE
-// AFTER_FAILURE: // -----// IR Dump After{{.*}}TestFailurePass Failed //----- //
+// AFTER_FAILURE: // -----// IR Dump After{{.*}}TestFailurePass Failed (test-pass-failure) //----- //
 // AFTER_FAILURE: func @foo()
diff --git a/mlir/test/Pass/run-reproducer.mlir b/mlir/test/Pass/run-reproducer.mlir
--- a/mlir/test/Pass/run-reproducer.mlir
+++ b/mlir/test/Pass/run-reproducer.mlir
@@ -18,9 +18,9 @@
   }
 #-}
 
-// BEFORE: // -----// IR Dump Before{{.*}}CSE //----- //
+// BEFORE: // -----// IR Dump Before{{.*}}CSE (cse) //----- //
 // BEFORE-NEXT: func @foo()
-// BEFORE: // -----// IR Dump Before{{.*}}CSE //----- //
+// BEFORE: // -----// IR Dump Before{{.*}}CSE (cse) //----- //
 // BEFORE-NEXT: func @bar()
-// BEFORE-NOT: // -----// IR Dump Before{{.*}}Canonicalizer //----- //
+// BEFORE-NOT: // -----// IR Dump Before{{.*}}Canonicalizer (canonicalize) //----- //
 // BEFORE-NOT: // -----// IR Dump After