1 files changed, 0 insertions, 102 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MipsPreLegalizerCombiner.cpp b/contrib/llvm/lib/Target/Mips/MipsPreLegalizerCombiner.cpp
deleted file mode 100644
index 85076590d407..000000000000
--- a/contrib/llvm/lib/Target/Mips/MipsPreLegalizerCombiner.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-//=== lib/CodeGen/GlobalISel/MipsPreLegalizerCombiner.cpp --------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This pass does combining of machine instructions at the generic MI level,
-// before the legalizer.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MipsTargetMachine.h"
-#include "llvm/CodeGen/GlobalISel/Combiner.h"
-#include "llvm/CodeGen/GlobalISel/CombinerHelper.h"
-#include "llvm/CodeGen/GlobalISel/CombinerInfo.h"
-#include "llvm/CodeGen/GlobalISel/MIPatternMatch.h"
-#include "llvm/CodeGen/TargetPassConfig.h"
-
-#define DEBUG_TYPE "mips-prelegalizer-combiner"
-
-using namespace llvm;
-
-namespace {
-class MipsPreLegalizerCombinerInfo : public CombinerInfo {
-public:
-  MipsPreLegalizerCombinerInfo()
-      : CombinerInfo(/*AllowIllegalOps*/ true, /*ShouldLegalizeIllegal*/ false,
-                     /*LegalizerInfo*/ nullptr) {}
-  virtual bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
-                       MachineIRBuilder &B) const override;
-};
-
-bool MipsPreLegalizerCombinerInfo::combine(GISelChangeObserver &Observer,
-                                           MachineInstr &MI,
-                                           MachineIRBuilder &B) const {
-  CombinerHelper Helper(Observer, B);
-
-  switch (MI.getOpcode()) {
-  default:
-    return false;
-  case TargetOpcode::G_LOAD:
-  case TargetOpcode::G_SEXTLOAD:
-  case TargetOpcode::G_ZEXTLOAD:
-    return Helper.tryCombineExtendingLoads(MI);
-  }
-  return false;
-}
-
-// Pass boilerplate
-// ================
-
-class MipsPreLegalizerCombiner : public MachineFunctionPass {
-public:
-  static char ID;
-
-  MipsPreLegalizerCombiner();
-
-  StringRef getPassName() const override { return "MipsPreLegalizerCombiner"; }
-
-  bool runOnMachineFunction(MachineFunction &MF) override;
-
-  void getAnalysisUsage(AnalysisUsage &AU) const override;
-};
-} // end anonymous namespace
-
-void MipsPreLegalizerCombiner::getAnalysisUsage(AnalysisUsage &AU) const {
-  AU.addRequired<TargetPassConfig>();
-  AU.setPreservesCFG();
-  getSelectionDAGFallbackAnalysisUsage(AU);
-  MachineFunctionPass::getAnalysisUsage(AU);
-}
-
-MipsPreLegalizerCombiner::MipsPreLegalizerCombiner() : MachineFunctionPass(ID) {
-  initializeMipsPreLegalizerCombinerPass(*PassRegistry::getPassRegistry());
-}
-
-bool MipsPreLegalizerCombiner::runOnMachineFunction(MachineFunction &MF) {
-  if (MF.getProperties().hasProperty(
-          MachineFunctionProperties::Property::FailedISel))
-    return false;
-  auto *TPC = &getAnalysis<TargetPassConfig>();
-  MipsPreLegalizerCombinerInfo PCInfo;
-  Combiner C(PCInfo, TPC);
-  return C.combineMachineInstrs(MF, nullptr);
-}
-
-char MipsPreLegalizerCombiner::ID = 0;
-INITIALIZE_PASS_BEGIN(MipsPreLegalizerCombiner, DEBUG_TYPE,
-                      "Combine Mips machine instrs before legalization", false,
-                      false)
-INITIALIZE_PASS_DEPENDENCY(TargetPassConfig)
-INITIALIZE_PASS_END(MipsPreLegalizerCombiner, DEBUG_TYPE,
-                    "Combine Mips machine instrs before legalization", false,
-                    false)
-
-namespace llvm {
-FunctionPass *createMipsPreLegalizeCombiner() {
-  return new MipsPreLegalizerCombiner();
-}
-} // end namespace llvm