diff --git a/llvm/lib/Target/AMDGPU/GCNRegBankReassign.cpp b/llvm/lib/Target/AMDGPU/GCNRegBankReassign.cpp
--- a/llvm/lib/Target/AMDGPU/GCNRegBankReassign.cpp
+++ b/llvm/lib/Target/AMDGPU/GCNRegBankReassign.cpp
@@ -48,11 +48,6 @@
 
 using namespace llvm;
 
-static cl::opt<unsigned> VerifyStallCycles("amdgpu-verify-regbanks-reassign",
-  cl::desc("Verify stall cycles in the regbanks reassign pass"),
-  cl::value_desc("0|1|2"),
-  cl::init(0), cl::Hidden);
-
 #define DEBUG_TYPE "amdgpu-regbanks-reassign"
 
 #define NUM_VGPR_BANKS 4
@@ -225,9 +220,6 @@
   // Try to reassign candidate. Returns number or stall cycles saved.
   unsigned tryReassign(Candidate &C);
 
-  bool verifyCycles(MachineFunction &MF,
-                    unsigned OriginalCycles, unsigned CyclesSaved);
-
 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 public:
@@ -741,15 +733,6 @@
   });
 }
 
-bool GCNRegBankReassign::verifyCycles(MachineFunction &MF,
-                                      unsigned OriginalCycles,
-                                      unsigned CyclesSaved) {
-  unsigned StallCycles = collectCandidates(MF, false);
-  LLVM_DEBUG(dbgs() << "=== After the pass " << StallCycles
-               << " stall cycles left\n");
-  return StallCycles + CyclesSaved == OriginalCycles;
-}
-
 bool GCNRegBankReassign::runOnMachineFunction(MachineFunction &MF) {
   ST = &MF.getSubtarget<GCNSubtarget>();
   if (!ST->hasRegisterBanking() || skipFunction(MF.getFunction()))
@@ -795,9 +778,6 @@
     unsigned LocalCyclesSaved = tryReassign(C);
     CyclesSaved += LocalCyclesSaved;
 
-    if (VerifyStallCycles > 1 && !verifyCycles(MF, StallCycles, CyclesSaved))
-      report_fatal_error("RegBank reassign stall cycles verification failed.");
-
     Candidates.pop_back();
     if (LocalCyclesSaved) {
       removeCandidates(C.Reg);
@@ -817,9 +797,6 @@
 
   Candidates.clear();
 
-  if (VerifyStallCycles == 1 && !verifyCycles(MF, StallCycles, CyclesSaved))
-    report_fatal_error("RegBank reassign stall cycles verification failed.");
-
   RegsUsed.clear();
 
   return CyclesSaved > 0;