352a52804d
git-subtree-dir: external/capstone git-subtree-split: 5430745e9623786f65c0d773a417f389ebb43395
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
//===- llvm/CodeGen/Spiller.h - Spiller -------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_SPILLER_H
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#define LLVM_CODEGEN_SPILLER_H
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namespace llvm {
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class LiveRangeEdit;
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class MachineFunction;
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class MachineFunctionPass;
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class VirtRegMap;
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class VirtRegAuxInfo;
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/// Spiller interface.
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///
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/// Implementations are utility classes which insert spill or remat code on
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/// demand.
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class Spiller {
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virtual void anchor();
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public:
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virtual ~Spiller() = 0;
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/// spill - Spill the LRE.getParent() live interval.
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virtual void spill(LiveRangeEdit &LRE) = 0;
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virtual void postOptimization() {}
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};
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/// Create and return a spiller that will insert spill code directly instead
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/// of deferring though VirtRegMap.
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Spiller *createInlineSpiller(MachineFunctionPass &Pass, MachineFunction &MF,
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VirtRegMap &VRM, VirtRegAuxInfo &VRAI);
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} // end namespace llvm
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#endif // LLVM_CODEGEN_SPILLER_H
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