Importing rustc-1.45.2

Change-Id: Idd187dd729f3089d9529753a17db5fbb40bacdeb
diff --git a/src/llvm-project/llvm/lib/Target/RISCV/RISCVLegalizerInfo.cpp b/src/llvm-project/llvm/lib/Target/RISCV/RISCVLegalizerInfo.cpp
new file mode 100644
index 0000000..c92f4a3
--- /dev/null
+++ b/src/llvm-project/llvm/lib/Target/RISCV/RISCVLegalizerInfo.cpp
@@ -0,0 +1,23 @@
+//===-- RISCVLegalizerInfo.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
+//
+//===----------------------------------------------------------------------===//
+/// \file
+/// This file implements the targeting of the Machinelegalizer class for RISCV.
+/// \todo This should be generated by TableGen.
+//===----------------------------------------------------------------------===//
+
+#include "RISCVLegalizerInfo.h"
+#include "llvm/CodeGen/TargetOpcodes.h"
+#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Type.h"
+
+using namespace llvm;
+
+RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) {
+  computeTables();
+}