Index: llvm/lib/Target/NVPTX/NVPTXImageOptimizer.cpp
===================================================================
--- llvm/lib/Target/NVPTX/NVPTXImageOptimizer.cpp
+++ llvm/lib/Target/NVPTX/NVPTXImageOptimizer.cpp
@@ -35,6 +35,8 @@
 
   bool runOnFunction(Function &F) override;
 
+  StringRef getPassName() const override { return "NVPTX Image Optimizer"; }
+
 private:
   bool replaceIsTypePSampler(Instruction &I);
   bool replaceIsTypePSurface(Instruction &I);
Index: llvm/lib/Target/NVPTX/NVPTXPrologEpilogPass.cpp
===================================================================
--- llvm/lib/Target/NVPTX/NVPTXPrologEpilogPass.cpp
+++ llvm/lib/Target/NVPTX/NVPTXPrologEpilogPass.cpp
@@ -36,6 +36,8 @@
 
   bool runOnMachineFunction(MachineFunction &MF) override;
 
+  StringRef getPassName() const override { return "NVPTX Prolog Epilog Pass"; }
+
 private:
   void calculateFrameObjectOffsets(MachineFunction &Fn);
 };
Index: llvm/test/CodeGen/NVPTX/pass-name.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/NVPTX/pass-name.ll
@@ -0,0 +1,3 @@
+; Check that all passes have names
+; RUN: llc %s -march=nvptx64 -O3 --debug-pass=Structure -o /dev/null 2>&1 | FileCheck %s
+; CHECK-NOT: Unnamed pass