be24c02003
Summary: As described in PR40209, there can be issues in DBG_VALUEs handling when multiple defs present in a BB. This patch adds logic for detection of related to def DBG_VALUEs and localizes register update and movement to found DBG_VALUEs. Reviewers: aheejin Subscribers: mgorny, dschuff, sbc100, jgravelle-google, sunfish, llvm-commits Differential Revision: https://reviews.llvm.org/D56401 llvm-svn: 351216
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
// WebAssemblyDebugValueManager.h - WebAssembly DebugValue Manager -*- C++ -*-//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file contains the declaration of the WebAssembly-specific
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/// manager for DebugValues associated with the specific MachineInstr.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYDEBUGVALUEMANAGER_H
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#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYDEBUGVALUEMANAGER_H
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#include "llvm/ADT/SmallVector.h"
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namespace llvm {
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class MachineInstr;
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class WebAssemblyDebugValueManager {
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SmallVector<MachineInstr *, 2> DbgValues;
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public:
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WebAssemblyDebugValueManager(MachineInstr *Instr);
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void move(MachineInstr *Insert);
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void updateReg(unsigned Reg);
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void clone(MachineInstr *Insert, unsigned NewReg);
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};
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} // end namespace llvm
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#endif
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