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-rw-r--r--llvm/lib/CodeGen/Spiller.h43
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diff --git a/llvm/lib/CodeGen/Spiller.h b/llvm/lib/CodeGen/Spiller.h
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-//===- llvm/CodeGen/Spiller.h - Spiller -------------------------*- 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
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_CODEGEN_SPILLER_H
-#define LLVM_LIB_CODEGEN_SPILLER_H
-
-namespace llvm {
-
-class LiveRangeEdit;
-class MachineFunction;
-class MachineFunctionPass;
-class VirtRegMap;
-
- /// Spiller interface.
- ///
- /// Implementations are utility classes which insert spill or remat code on
- /// demand.
- class Spiller {
- virtual void anchor();
-
- public:
- virtual ~Spiller() = 0;
-
- /// spill - Spill the LRE.getParent() live interval.
- virtual void spill(LiveRangeEdit &LRE) = 0;
-
- virtual void postOptimization() {}
- };
-
- /// Create and return a spiller that will insert spill code directly instead
- /// of deferring though VirtRegMap.
- Spiller *createInlineSpiller(MachineFunctionPass &pass,
- MachineFunction &mf,
- VirtRegMap &vrm);
-
-} // end namespace llvm
-
-#endif // LLVM_LIB_CODEGEN_SPILLER_H