[llvm] [Exegesis][RISCV] Add RISCV support for llvm-exegesis (PR #89047)

[via llvm-commits]

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@@ -0,0 +1,412 @@
+//===-- Target.cpp ----------------------------------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "../Target.h"
+
+#include "RISCVCounters.h"
+
+#include "MCTargetDesc/RISCVBaseInfo.h"
+#include "MCTargetDesc/RISCVMCTargetDesc.h"
+#include "MCTargetDesc/RISCVMatInt.h"
+#include "RISCVInstrInfo.h"
+
+// include computeAvailableFeatures and computeRequiredFeatures.
+#define GET_COMPUTE_FEATURES
+#define GET_AVAILABLE_OPCODE_CHECKER
+#include "RISCVGenInstrInfo.inc"
+#undef GET_COMPUTE_FEATURES
+#undef GET_AVAILABLE_OPCODE_CHECKER
+
+#include "llvm/CodeGen/MachineInstrBuilder.h"
+
+#include <vector>
+
+namespace llvm {
+namespace exegesis {
+
+namespace {
+
+static cl::OptionCategory
+    RISCVBenchmarkOptions("llvm-exegesis benchmark RISCV options");
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AnastasiyaChernikova wrote:

Now it really isn't used. We made it with expansion in mind. Deleted in this commit

https://github.com/llvm/llvm-project/pull/89047