1 files changed, 1 insertions, 69 deletions
diff --git a/llvm/lib/CodeGen/TargetSubtargetInfo.cpp b/llvm/lib/CodeGen/TargetSubtargetInfo.cpp
index e34f9a1579d..7b29b68597c 100644
--- a/llvm/lib/CodeGen/TargetSubtargetInfo.cpp
+++ b/llvm/lib/CodeGen/TargetSubtargetInfo.cpp
@@ -11,14 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
-#include "llvm/ADT/Optional.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/TargetInstrInfo.h"
-#include "llvm/CodeGen/TargetSchedule.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/Support/Format.h"
-#include "llvm/Support/raw_ostream.h"
-#include <string>
 
 using namespace llvm;
 
@@ -66,64 +58,4 @@ bool TargetSubtargetInfo::useAA() const {
   return false;
 }
 
-static std::string createSchedInfoStr(unsigned Latency, double RThroughput) {
-  static const char *SchedPrefix = " sched: [";
-  std::string Comment;
-  raw_string_ostream CS(Comment);
-  if (RThroughput != 0.0)
-    CS << SchedPrefix << Latency << format(":%2.2f", RThroughput)
-       << "]";
-  else
-    CS << SchedPrefix << Latency << ":?]";
-  CS.flush();
-  return Comment;
-}
-
-/// Returns string representation of scheduler comment
-std::string TargetSubtargetInfo::getSchedInfoStr(const MachineInstr &MI) const {
-  if (MI.isPseudo() || MI.isTerminator())
-    return std::string();
-  // We don't cache TSchedModel because it depends on TargetInstrInfo
-  // that could be changed during the compilation
-  TargetSchedModel TSchedModel;
-  TSchedModel.init(this);
-  unsigned Latency = TSchedModel.computeInstrLatency(&MI);
-
-  // Add extra latency due to forwarding delays.
-  const MCSchedClassDesc &SCDesc = *TSchedModel.resolveSchedClass(&MI);
-  Latency +=
-      MCSchedModel::getForwardingDelayCycles(getReadAdvanceEntries(SCDesc));
-
-  double RThroughput = TSchedModel.computeReciprocalThroughput(&MI);
-  return createSchedInfoStr(Latency, RThroughput);
-}
-
-/// Returns string representation of scheduler comment
-std::string TargetSubtargetInfo::getSchedInfoStr(MCInst const &MCI) const {
-  // We don't cache TSchedModel because it depends on TargetInstrInfo
-  // that could be changed during the compilation
-  TargetSchedModel TSchedModel;
-  TSchedModel.init(this);
-  unsigned Latency;
-  if (TSchedModel.hasInstrSchedModel()) {
-    Latency = TSchedModel.computeInstrLatency(MCI);
-    // Add extra latency due to forwarding delays.
-    const MCSchedModel &SM = *TSchedModel.getMCSchedModel();
-    unsigned SClassID = getInstrInfo()->get(MCI.getOpcode()).getSchedClass();
-    while (SM.getSchedClassDesc(SClassID)->isVariant())
-      SClassID = resolveVariantSchedClass(SClassID, &MCI, SM.ProcID);
-    const MCSchedClassDesc &SCDesc = *SM.getSchedClassDesc(SClassID);  
-    Latency +=
-        MCSchedModel::getForwardingDelayCycles(getReadAdvanceEntries(SCDesc));
-  } else if (TSchedModel.hasInstrItineraries()) {
-    auto *ItinData = TSchedModel.getInstrItineraries();
-    Latency = ItinData->getStageLatency(
-        getInstrInfo()->get(MCI.getOpcode()).getSchedClass());
-  } else
-    return std::string();
-  double RThroughput = TSchedModel.computeReciprocalThroughput(MCI);
-  return createSchedInfoStr(Latency, RThroughput);
-}
-
-void TargetSubtargetInfo::mirFileLoaded(MachineFunction &MF) const {
-}
+void TargetSubtargetInfo::mirFileLoaded(MachineFunction &MF) const { }