[llvm] [CodeGen] Introduce MIR-level target-independent rematerialization helper (PR #177080)

[Quentin Colombet via llvm-commits]

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@@ -0,0 +1,460 @@
+//=====-- Rematerializer.h - MIR rematerialization support ------*- 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
+/// MIR-level target-independent rematerialization helpers.
+//
+//===----------------------------------------------------------------------===//
+
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qcolombet wrote:

Missing #ifndef statement.

https://github.com/llvm/llvm-project/pull/177080