[llvm-mca] Renamed BackendStatistics to RetireControlUnitStatistics.
Also, removed flag -verbose in favor of flag -retire-stats.
llvm-svn: 329794
diff --git a/llvm/tools/llvm-mca/CMakeLists.txt b/llvm/tools/llvm-mca/CMakeLists.txt
index e0a97a5..20a9966 100644
--- a/llvm/tools/llvm-mca/CMakeLists.txt
+++ b/llvm/tools/llvm-mca/CMakeLists.txt
@@ -12,7 +12,6 @@
add_llvm_tool(llvm-mca
Backend.cpp
BackendPrinter.cpp
- BackendStatistics.cpp
CodeRegion.cpp
Dispatch.cpp
DispatchStatistics.cpp
@@ -25,6 +24,7 @@
llvm-mca.cpp
RegisterFileStatistics.cpp
ResourcePressureView.cpp
+ RetireControlUnitStatistics.cpp
Scheduler.cpp
SchedulerStatistics.cpp
Support.cpp
diff --git a/llvm/tools/llvm-mca/BackendStatistics.cpp b/llvm/tools/llvm-mca/RetireControlUnitStatistics.cpp
similarity index 74%
rename from llvm/tools/llvm-mca/BackendStatistics.cpp
rename to llvm/tools/llvm-mca/RetireControlUnitStatistics.cpp
index 4e378b1..5b1a1de 100644
--- a/llvm/tools/llvm-mca/BackendStatistics.cpp
+++ b/llvm/tools/llvm-mca/RetireControlUnitStatistics.cpp
@@ -1,4 +1,5 @@
-//===--------------------- BackendStatistics.cpp ---------------*- C++ -*-===//
+//===--------------------- RetireControlUnitStatistics.cpp ---------------*- C++
+//-*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -8,24 +9,24 @@
//===----------------------------------------------------------------------===//
/// \file
///
-/// Functionalities used by the BackendPrinter to print out histograms
-/// related to number of {issue/retire} per number of cycles.
+/// This file implements the RetireControlUnitStatistics interface.
///
//===----------------------------------------------------------------------===//
-#include "BackendStatistics.h"
+#include "RetireControlUnitStatistics.h"
#include "llvm/Support/Format.h"
using namespace llvm;
namespace mca {
-void BackendStatistics::onInstructionEvent(const HWInstructionEvent &Event) {
+void RetireControlUnitStatistics::onInstructionEvent(
+ const HWInstructionEvent &Event) {
if (Event.Type == HWInstructionEvent::Retired)
++NumRetired;
}
-void BackendStatistics::printView(llvm::raw_ostream &OS) const {
+void RetireControlUnitStatistics::printView(llvm::raw_ostream &OS) const {
std::string Buffer;
raw_string_ostream TempStream(Buffer);
TempStream << "\n\nRetire Control Unit - "
diff --git a/llvm/tools/llvm-mca/BackendStatistics.h b/llvm/tools/llvm-mca/RetireControlUnitStatistics.h
similarity index 65%
rename from llvm/tools/llvm-mca/BackendStatistics.h
rename to llvm/tools/llvm-mca/RetireControlUnitStatistics.h
index 24b8e5c..f3952ab 100644
--- a/llvm/tools/llvm-mca/BackendStatistics.h
+++ b/llvm/tools/llvm-mca/RetireControlUnitStatistics.h
@@ -1,4 +1,5 @@
-//===--------------------- BackendStatistics.h ------------------*- C++ -*-===//
+//===--------------------- RetireControlUnitStatistics.h ------------------*-
+//C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -8,8 +9,8 @@
//===----------------------------------------------------------------------===//
/// \file
///
-/// This file implements a View named BackendStatistics that knows how to
-/// collect and print a few statistics related to the retire unit.
+/// This file defines class RetireControlUnitStatistics: a view that knows how
+/// to print general statistics related to the retire control unit.
///
/// Example:
/// ========
@@ -23,19 +24,16 @@
///
//===----------------------------------------------------------------------===//
-#ifndef LLVM_TOOLS_LLVM_MCA_BACKENDSTATISTICS_H
-#define LLVM_TOOLS_LLVM_MCA_BACKENDSTATISTICS_H
+#ifndef LLVM_TOOLS_LLVM_MCA_RETIRECONTROLUNITSTATISTICS_H
+#define LLVM_TOOLS_LLVM_MCA_RETIRECONTROLUNITSTATISTICS_H
#include "View.h"
-#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/MC/MCSubtargetInfo.h"
namespace mca {
-class BackendStatistics : public View {
- const llvm::MCSubtargetInfo &STI;
-
+class RetireControlUnitStatistics : public View {
using Histogram = llvm::DenseMap<unsigned, unsigned>;
Histogram RetiredPerCycle;
@@ -47,12 +45,8 @@
NumRetired = 0;
}
- void printRCUStatistics(llvm::raw_ostream &OS, const Histogram &Histogram,
- unsigned Cycles) const;
-
public:
- BackendStatistics(const llvm::MCSubtargetInfo &sti)
- : STI(sti), NumRetired(0), NumCycles(0) {}
+ RetireControlUnitStatistics() : NumRetired(0), NumCycles(0) {}
void onInstructionEvent(const HWInstructionEvent &Event) override;
diff --git a/llvm/tools/llvm-mca/llvm-mca.cpp b/llvm/tools/llvm-mca/llvm-mca.cpp
index 7b50196..3cb6292 100644
--- a/llvm/tools/llvm-mca/llvm-mca.cpp
+++ b/llvm/tools/llvm-mca/llvm-mca.cpp
@@ -22,13 +22,13 @@
//===----------------------------------------------------------------------===//
#include "BackendPrinter.h"
-#include "BackendStatistics.h"
#include "CodeRegion.h"
#include "DispatchStatistics.h"
#include "InstructionInfoView.h"
#include "InstructionTables.h"
#include "RegisterFileStatistics.h"
#include "ResourcePressureView.h"
+#include "RetireControlUnitStatistics.h"
#include "SchedulerStatistics.h"
#include "SummaryView.h"
#include "TimelineView.h"
@@ -101,11 +101,16 @@
cl::init(false));
static cl::opt<bool>
- PrintiSchedulerStats("scheduler-stats",
+ PrintSchedulerStats("scheduler-stats",
cl::desc("Print scheduler statistics"),
cl::init(false));
static cl::opt<bool>
+ PrintRetireStats("retire-stats",
+ cl::desc("Print retire control unit statistics"),
+ cl::init(false));
+
+static cl::opt<bool>
PrintResourcePressureView("resource-pressure",
cl::desc("Print the resource pressure view"),
cl::init(true));
@@ -438,11 +443,11 @@
if (PrintDispatchStats)
Printer.addView(llvm::make_unique<mca::DispatchStatistics>(*STI));
- if (PrintiSchedulerStats)
+ if (PrintSchedulerStats)
Printer.addView(llvm::make_unique<mca::SchedulerStatistics>(*STI));
- if (PrintModeVerbose)
- Printer.addView(llvm::make_unique<mca::BackendStatistics>(*STI));
+ if (PrintRetireStats)
+ Printer.addView(llvm::make_unique<mca::RetireControlUnitStatistics>());
if (PrintRegisterFileStats)
Printer.addView(llvm::make_unique<mca::RegisterFileStatistics>(*STI));