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authorRalf Luther <luther.ralf@gmail.com>2019-03-27 20:23:17 +0000
committerGerrit Code Review <gerrit2@aicp-server-3>2019-03-27 20:23:17 +0000
commit1ce3a9d272e564b22a1333a1e36a3d3ab7cfab01 (patch)
tree391382eadd4fec5bb480f2e8934fa352770221d1 /clang-r353983/include/llvm/CodeGen/AsmPrinterHandler.h
parentd1d48b140bafaa8a50107292f5fce95562575765 (diff)
parent4f56932d3416ac03f646bc1a611b3135fec2fe08 (diff)
Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0
Diffstat (limited to 'clang-r353983/include/llvm/CodeGen/AsmPrinterHandler.h')
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1 files changed, 73 insertions, 0 deletions
diff --git a/clang-r353983/include/llvm/CodeGen/AsmPrinterHandler.h b/clang-r353983/include/llvm/CodeGen/AsmPrinterHandler.h
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+++ b/clang-r353983/include/llvm/CodeGen/AsmPrinterHandler.h
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+//===-- llvm/CodeGen/AsmPrinterHandler.h -----------------------*- 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 a generic interface for AsmPrinter handlers,
+// like debug and EH info emitters.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_ASMPRINTERHANDLER_H
+#define LLVM_CODEGEN_ASMPRINTERHANDLER_H
+
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+
+class AsmPrinter;
+class MachineBasicBlock;
+class MachineFunction;
+class MachineInstr;
+class MCSymbol;
+
+typedef MCSymbol *ExceptionSymbolProvider(AsmPrinter *Asm);
+
+/// Collects and handles AsmPrinter objects required to build debug
+/// or EH information.
+class AsmPrinterHandler {
+public:
+ virtual ~AsmPrinterHandler();
+
+ /// For symbols that have a size designated (e.g. common symbols),
+ /// this tracks that size.
+ virtual void setSymbolSize(const MCSymbol *Sym, uint64_t Size) = 0;
+
+ /// Emit all sections that should come after the content.
+ virtual void endModule() = 0;
+
+ /// Gather pre-function debug information.
+ /// Every beginFunction(MF) call should be followed by an endFunction(MF)
+ /// call.
+ virtual void beginFunction(const MachineFunction *MF) = 0;
+
+ // Emit any of function marker (like .cfi_endproc). This is called
+ // before endFunction and cannot switch sections.
+ virtual void markFunctionEnd();
+
+ /// Gather post-function debug information.
+ /// Please note that some AsmPrinter implementations may not call
+ /// beginFunction at all.
+ virtual void endFunction(const MachineFunction *MF) = 0;
+
+ virtual void beginFragment(const MachineBasicBlock *MBB,
+ ExceptionSymbolProvider ESP) {}
+ virtual void endFragment() {}
+
+ /// Emit target-specific EH funclet machinery.
+ virtual void beginFunclet(const MachineBasicBlock &MBB,
+ MCSymbol *Sym = nullptr) {}
+ virtual void endFunclet() {}
+
+ /// Process beginning of an instruction.
+ virtual void beginInstruction(const MachineInstr *MI) = 0;
+
+ /// Process end of an instruction.
+ virtual void endInstruction() = 0;
+};
+} // End of namespace llvm
+
+#endif