Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp

@@ -1,98 +0,0 @@
-///===- MachineOptimizationRemarkEmitter.cpp - Opt Diagnostic -*- C++ -*---===//
-///
-///                     The LLVM Compiler Infrastructure
-///
-/// This file is distributed under the University of Illinois Open Source
-/// License. See LICENSE.TXT for details.
-///
-///===---------------------------------------------------------------------===//
-/// \file
-/// Optimization diagnostic interfaces for machine passes.  It's packaged as an
-/// analysis pass so that by using this service passes become dependent on MBFI
-/// as well.  MBFI is used to compute the "hotness" of the diagnostic message.
-///
-///===---------------------------------------------------------------------===//
-
-#include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
-#include "llvm/CodeGen/LazyMachineBlockFrequencyInfo.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/IR/DiagnosticInfo.h"
-#include "llvm/IR/LLVMContext.h"
-
-using namespace llvm;
-
-DiagnosticInfoMIROptimization::MachineArgument::MachineArgument(
-    StringRef MKey, const MachineInstr &MI)
-    : Argument() {
-  Key = MKey;
-
-  raw_string_ostream OS(Val);
-  MI.print(OS, /*SkipOpers=*/false, /*SkipDebugLoc=*/true);
-}
-
-Optional<uint64_t>
-MachineOptimizationRemarkEmitter::computeHotness(const MachineBasicBlock &MBB) {
-  if (!MBFI)
-    return None;
-
-  return MBFI->getBlockProfileCount(&MBB);
-}
-
-void MachineOptimizationRemarkEmitter::computeHotness(
-    DiagnosticInfoMIROptimization &Remark) {
-  const MachineBasicBlock *MBB = Remark.getBlock();
-  if (MBB)
-    Remark.setHotness(computeHotness(*MBB));
-}
-
-void MachineOptimizationRemarkEmitter::emit(
-    DiagnosticInfoOptimizationBase &OptDiagCommon) {
-  auto &OptDiag = cast<DiagnosticInfoMIROptimization>(OptDiagCommon);
-  computeHotness(OptDiag);
-
-  LLVMContext &Ctx = MF.getFunction().getContext();
-
-  // Only emit it if its hotness meets the threshold.
-  if (OptDiag.getHotness().getValueOr(0) <
-      Ctx.getDiagnosticsHotnessThreshold()) {
-    return;
-  }
-
-  Ctx.diagnose(OptDiag);
-}
-
-MachineOptimizationRemarkEmitterPass::MachineOptimizationRemarkEmitterPass()
-    : MachineFunctionPass(ID) {
-  initializeMachineOptimizationRemarkEmitterPassPass(
-      *PassRegistry::getPassRegistry());
-}
-
-bool MachineOptimizationRemarkEmitterPass::runOnMachineFunction(
-    MachineFunction &MF) {
-  MachineBlockFrequencyInfo *MBFI;
-
-  if (MF.getFunction().getContext().getDiagnosticsHotnessRequested())
-    MBFI = &getAnalysis<LazyMachineBlockFrequencyInfoPass>().getBFI();
-  else
-    MBFI = nullptr;
-
-  ORE = llvm::make_unique<MachineOptimizationRemarkEmitter>(MF, MBFI);
-  return false;
-}
-
-void MachineOptimizationRemarkEmitterPass::getAnalysisUsage(
-    AnalysisUsage &AU) const {
-  AU.addRequired<LazyMachineBlockFrequencyInfoPass>();
-  AU.setPreservesAll();
-  MachineFunctionPass::getAnalysisUsage(AU);
-}
-
-char MachineOptimizationRemarkEmitterPass::ID = 0;
-static const char ore_name[] = "Machine Optimization Remark Emitter";
-#define ORE_NAME "machine-opt-remark-emitter"
-
-INITIALIZE_PASS_BEGIN(MachineOptimizationRemarkEmitterPass, ORE_NAME, ore_name,
-                      false, true)
-INITIALIZE_PASS_DEPENDENCY(LazyMachineBlockFrequencyInfoPass)
-INITIALIZE_PASS_END(MachineOptimizationRemarkEmitterPass, ORE_NAME, ore_name,
-                    false, true)