[llvm] [Xtensa] Initial codegen support from IR (PR #78548)

[Sergei Barannikov via llvm-commits]

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@@ -0,0 +1,62 @@
+//===- XtensaMCInstLower.cpp - Convert Xtensa MachineInstr to MCInst ------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains code to lower Xtensa MachineInstrs to their corresponding
+// MCInst records.
+//
+//===----------------------------------------------------------------------===//
+
+#include "XtensaMCInstLower.h"
+#include "MCTargetDesc/XtensaMCExpr.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/IR/Mangler.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCStreamer.h"
+
+using namespace llvm;
+
+XtensaMCInstLower::XtensaMCInstLower(MCContext &ctx,
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s-barannikov wrote:

(nit) Variable names should start with a capital letter.

https://github.com/llvm/llvm-project/pull/78548