[llvm] [Xtensa] Implement base CallConvention. (PR #83280)

[Sergei Barannikov via llvm-commits]

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+//===--- XtensaUtils.h ---- Xtensa Utility Functions ------------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains miscellaneous utility functions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_XTENSA_XTENSAUTILS_H
+#define LLVM_LIB_TARGET_XTENSA_XTENSAUTILS_H
+
+#include "XtensaInstrInfo.h"
+#include "llvm/CodeGen/MachineInstr.h"
+
+namespace llvm {
+// Check address offset for load/store instructions
+// The offset should be multiple of scale
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s-barannikov wrote:

Sentences should end with a period.


https://github.com/llvm/llvm-project/pull/83280