Revert r329156 "Add llvm-exegesis tool."

Breaks a bunch of bots.

llvm-svn: 329157

1 files changed, 0 insertions, 79 deletions

diff --git a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp b/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
deleted file mode 100644
index bdce72c1c11..00000000000
--- a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
+++ /dev/null
@@ -1,79 +0,0 @@
-//===-- BenchmarkRunner.cpp -------------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "BenchmarkRunner.h"
-#include "InMemoryAssembler.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Twine.h"
-#include <string>
-
-namespace exegesis {
-
-BenchmarkRunner::InstructionFilter::~InstructionFilter() = default;
-
-BenchmarkRunner::~BenchmarkRunner() = default;
-
-InstructionBenchmark
-BenchmarkRunner::run(const LLVMState &State, const unsigned Opcode,
-                     unsigned NumRepetitions,
-                     const InstructionFilter &Filter) const {
-  InstructionBenchmark InstrBenchmark;
-
-  InstrBenchmark.AsmTmpl.Name =
-      llvm::Twine(getDisplayName())
-          .concat(" ")
-          .concat(State.getInstrInfo().getName(Opcode))
-          .str();
-  InstrBenchmark.CpuName = State.getCpuName();
-  InstrBenchmark.LLVMTriple = State.getTriple();
-  InstrBenchmark.NumRepetitions = NumRepetitions;
-
-  // Ignore instructions that we cannot run.
-  if (State.getInstrInfo().get(Opcode).isPseudo()) {
-    InstrBenchmark.Error = "Unsupported opcode: isPseudo";
-    return InstrBenchmark;
-  }
-  if (llvm::Error E = Filter.shouldRun(State, Opcode)) {
-    InstrBenchmark.Error = llvm::toString(std::move(E));
-    return InstrBenchmark;
-  }
-
-  JitFunctionContext Context(State.createTargetMachine());
-  auto ExpectedInstructions =
-      createCode(State, Opcode, NumRepetitions, Context);
-  if (llvm::Error E = ExpectedInstructions.takeError()) {
-    InstrBenchmark.Error = llvm::toString(std::move(E));
-    return InstrBenchmark;
-  }
-
-  const std::vector<llvm::MCInst> Instructions = *ExpectedInstructions;
-  const JitFunction Function(std::move(Context), Instructions);
-  const llvm::StringRef CodeBytes = Function.getFunctionBytes();
-
-  std::string AsmExcerpt;
-  constexpr const int ExcerptSize = 100;
-  constexpr const int ExcerptTailSize = 10;
-  if (CodeBytes.size() <= ExcerptSize) {
-    AsmExcerpt = llvm::toHex(CodeBytes);
-  } else {
-    AsmExcerpt =
-        llvm::toHex(CodeBytes.take_front(ExcerptSize - ExcerptTailSize + 3));
-    AsmExcerpt += "...";
-    AsmExcerpt += llvm::toHex(CodeBytes.take_back(ExcerptTailSize));
-  }
-  llvm::outs() << "# Asm excerpt: " << AsmExcerpt << "\n";
-  llvm::outs().flush(); // In case we crash.
-
-  InstrBenchmark.Measurements =
-      runMeasurements(State, Function, NumRepetitions);
-  return InstrBenchmark;
-}
-
-} // namespace exegesis