diff --git a/llvm/include/llvm/IR/Module.h b/llvm/include/llvm/IR/Module.h
--- a/llvm/include/llvm/IR/Module.h
+++ b/llvm/include/llvm/IR/Module.h
@@ -259,7 +259,7 @@
   /// when other randomness consuming passes are added or removed. In
   /// addition, the random stream will be reproducible across LLVM
   /// versions when the pass does not change.
-  std::unique_ptr<RandomNumberGenerator> createRNG(const Pass* P) const;
+  std::unique_ptr<RandomNumberGenerator> createRNG(const StringRef Name) const;
 
   /// Return true if size-info optimization remark is enabled, false
   /// otherwise.
diff --git a/llvm/lib/IR/Module.cpp b/llvm/lib/IR/Module.cpp
--- a/llvm/lib/IR/Module.cpp
+++ b/llvm/lib/IR/Module.cpp
@@ -85,8 +85,9 @@
   IFuncList.clear();
 }
 
-std::unique_ptr<RandomNumberGenerator> Module::createRNG(const Pass* P) const {
-  SmallString<32> Salt(P->getPassName());
+std::unique_ptr<RandomNumberGenerator>
+Module::createRNG(const StringRef Name) const {
+  SmallString<32> Salt(Name);
 
   // This RNG is guaranteed to produce the same random stream only
   // when the Module ID and thus the input filename is the same. This
@@ -100,7 +101,8 @@
   // store salt metadata from the Module constructor.
   Salt += sys::path::filename(getModuleIdentifier());
 
-  return std::unique_ptr<RandomNumberGenerator>(new RandomNumberGenerator(Salt));
+  return std::unique_ptr<RandomNumberGenerator>(
+      new RandomNumberGenerator(Salt));
 }
 
 /// getNamedValue - Return the first global value in the module with
diff --git a/llvm/unittests/IR/ModuleTest.cpp b/llvm/unittests/IR/ModuleTest.cpp
--- a/llvm/unittests/IR/ModuleTest.cpp
+++ b/llvm/unittests/IR/ModuleTest.cpp
@@ -63,7 +63,7 @@
 
   std::array<int, NBCheck> RandomStreams[2];
   for (auto &RandomStream : RandomStreams) {
-    std::unique_ptr<RandomNumberGenerator> RNG = M.createRNG(&DP);
+    std::unique_ptr<RandomNumberGenerator> RNG = M.createRNG(DP->getPassName());
     std::generate(RandomStream.begin(), RandomStream.end(),
                   [&]() { return dist(*RNG); });
   }