1 files changed, 0 insertions, 85 deletions
diff --git a/gnu/llvm/lib/CodeGen/TailDuplication.cpp b/gnu/llvm/lib/CodeGen/TailDuplication.cpp
deleted file mode 100644
index 25cd7802264..00000000000
--- a/gnu/llvm/lib/CodeGen/TailDuplication.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-//===- TailDuplication.cpp - Duplicate blocks into predecessors' tails ----===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-/// \file This pass duplicates basic blocks ending in unconditional branches
-/// into the tails of their predecessors, using the TailDuplicator utility
-/// class.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/CodeGen/MachineBranchProbabilityInfo.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/CodeGen/Passes.h"
-#include "llvm/CodeGen/TailDuplicator.h"
-#include "llvm/Pass.h"
-
-using namespace llvm;
-
-#define DEBUG_TYPE "tailduplication"
-
-namespace {
-
-class TailDuplicateBase : public MachineFunctionPass {
-  TailDuplicator Duplicator;
-  bool PreRegAlloc;
-public:
-  TailDuplicateBase(char &PassID, bool PreRegAlloc)
-    : MachineFunctionPass(PassID), PreRegAlloc(PreRegAlloc) {}
-
-  bool runOnMachineFunction(MachineFunction &MF) override;
-
-  void getAnalysisUsage(AnalysisUsage &AU) const override {
-    AU.addRequired<MachineBranchProbabilityInfo>();
-    MachineFunctionPass::getAnalysisUsage(AU);
-  }
-};
-
-class TailDuplicate : public TailDuplicateBase {
-public:
-  static char ID;
-  TailDuplicate() : TailDuplicateBase(ID, false) {
-    initializeTailDuplicatePass(*PassRegistry::getPassRegistry());
-  }
-};
-
-class EarlyTailDuplicate : public TailDuplicateBase {
-public:
-  static char ID;
-  EarlyTailDuplicate() : TailDuplicateBase(ID, true) {
-    initializeEarlyTailDuplicatePass(*PassRegistry::getPassRegistry());
-  }
-};
-
-} // end anonymous namespace
-
-char TailDuplicate::ID;
-char EarlyTailDuplicate::ID;
-
-char &llvm::TailDuplicateID = TailDuplicate::ID;
-char &llvm::EarlyTailDuplicateID = EarlyTailDuplicate::ID;
-
-INITIALIZE_PASS(TailDuplicate, DEBUG_TYPE, "Tail Duplication", false, false)
-INITIALIZE_PASS(EarlyTailDuplicate, "early-tailduplication",
-                "Early Tail Duplication", false, false)
-
-bool TailDuplicateBase::runOnMachineFunction(MachineFunction &MF) {
-  if (skipFunction(MF.getFunction()))
-    return false;
-
-  auto MBPI = &getAnalysis<MachineBranchProbabilityInfo>();
-  Duplicator.initMF(MF, PreRegAlloc, MBPI, /*LayoutMode=*/false);
-
-  bool MadeChange = false;
-  while (Duplicator.tailDuplicateBlocks())
-    MadeChange = true;
-
-  return MadeChange;
-}