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authorStephen Hines <srhines@google.com>2019-07-02 16:25:20 -0700
committerAli B <abittin@gmail.com>2019-07-05 19:33:16 +0300
commit9afee4e65dc5f9f5eb371683729ff67b8df81d03 (patch)
tree4cf241d6c9044f91ee8c06e6920174d06f8de0b6 /clang-r353983e/include/llvm/CodeGen/AsmPrinterHandler.h
parent2f19bd722c4c825320d1511c1ed83161b7f95d51 (diff)
Update prebuilt Clang to r353983e.HEADq10.0
clang 9.0.5 (based on r353983e) from build 5696680. Bug: http://b/135931688 Bug: http://b/136008926 Test: N/A Change-Id: I922d17410047d2e2df4625615352c588ee71b203
Diffstat (limited to 'clang-r353983e/include/llvm/CodeGen/AsmPrinterHandler.h')
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1 files changed, 73 insertions, 0 deletions
diff --git a/clang-r353983e/include/llvm/CodeGen/AsmPrinterHandler.h b/clang-r353983e/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