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

[Sergei Barannikov via llvm-commits]

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@@ -0,0 +1,60 @@
+//===--- XtensaUtils.cpp ---- 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.
+//
+//===----------------------------------------------------------------------===//
+
+#include "XtensaUtils.h"
+
+namespace llvm {
+
+// Check address offset for load/store instructions
+// The offset should be multiple of scale
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s-barannikov wrote:

It is documented in the header file, no need to duplicate the comment here.


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