From 8f492f646781ed6c894775f95846520728d9119e Mon Sep 17 00:00:00 2001
From: Mehdi Amini <joker.eph@gmail.com>
Date: Sat, 24 Oct 2020 00:36:51 +0000
Subject: [PATCH] Remove unused verifyRegStateMapping() function in
 RegAllocFast (NFC)

This fixes compiler warning when building with assertions.
---
 llvm/lib/CodeGen/RegAllocFast.cpp | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/llvm/lib/CodeGen/RegAllocFast.cpp b/llvm/lib/CodeGen/RegAllocFast.cpp
index 03411bebf747..78a797da8459 100644
--- a/llvm/lib/CodeGen/RegAllocFast.cpp
+++ b/llvm/lib/CodeGen/RegAllocFast.cpp
@@ -213,9 +213,6 @@ namespace {
 
     void allocateInstruction(MachineInstr &MI);
     void handleDebugValue(MachineInstr &MI);
-#ifndef NDEBUG
-    bool verifyRegStateMapping(const LiveReg &LR) const;
-#endif
     bool usePhysReg(MachineInstr &MI, MCPhysReg PhysReg);
     bool definePhysReg(MachineInstr &MI, MCPhysReg PhysReg);
     bool displacePhysReg(MachineInstr &MI, MCPhysReg PhysReg);
@@ -1380,17 +1377,6 @@ void RegAllocFast::handleDebugValue(MachineInstr &MI) {
   LiveDbgValueMap[Reg].push_back(&MI);
 }
 
-#ifndef NDEBUG
-bool RegAllocFast::verifyRegStateMapping(const LiveReg &LR) const {
-  for (MCRegUnitIterator UI(LR.PhysReg, TRI); UI.isValid(); ++UI) {
-    if (RegUnitStates[*UI] != LR.VirtReg)
-      return false;
-  }
-
-  return true;
-}
-#endif
-
 void RegAllocFast::allocateBasicBlock(MachineBasicBlock &MBB) {
   this->MBB = &MBB;
   LLVM_DEBUG(dbgs() << "\nAllocating " << MBB);