#define LLVM_CODEGEN_ASMPRINTER_H
#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Support/DebugLoc.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/ADT/DenseMap.h"
namespace llvm {
+ class BlockAddress;
class GCStrategy;
class Constant;
class ConstantArray;
class MCContext;
class MCSection;
class MCStreamer;
+ class MCSymbol;
class DwarfWriter;
class Mangler;
class MCAsmInfo;
///
MachineLoopInfo *LI;
- protected:
+ public:
/// MMI - If available, this is a pointer to the current MachineModuleInfo.
MachineModuleInfo *MMI;
+ protected:
/// DW - If available, this is a pointer to the current dwarf writer.
DwarfWriter *DW;
public:
+ /// Flags to specify different kinds of comments to output in
+ /// assembly code. These flags carry semantic information not
+ /// otherwise easily derivable from the IR text.
+ ///
+ enum CommentFlag {
+ ReloadReuse = 0x1
+ };
+
/// Output stream on which we're printing assembly code.
///
formatted_raw_ostream &O;
///
Mangler *Mang;
- /// Cache of mangled name for current function. This is recalculated at the
+ /// The symbol for the current function. This is recalculated at the
/// beginning of each call to runOnMachineFunction().
///
- std::string CurrentFnName;
+ const MCSymbol *CurrentFnSym;
/// getCurrentSection() - Return the current section we are emitting to.
const MCSection *getCurrentSection() const;
///
bool VerboseAsm;
- /// ExuberantAsm - Emit many more comments in assembly output if
- /// this is true.
- ///
- bool ExuberantAsm;
-
/// Private state for PrintSpecial()
// Assign a unique ID to this machine instruction.
mutable const MachineInstr *LastMI;
mutable const Function *LastFn;
mutable unsigned Counter;
- // Private state for processDebugLock()
- mutable DebugLocTuple PrevDLT;
+ // Private state for processDebugLoc()
+ mutable DILocation PrevDLT;
protected:
explicit AsmPrinter(formatted_raw_ostream &o, TargetMachine &TM,
///
bool isVerbose() const { return VerboseAsm; }
- /// getGlobalLinkName - Returns the asm/link name of of the specified
- /// global variable. Should be overridden by each target asm printer to
- /// generate the appropriate value.
- virtual const std::string &getGlobalLinkName(const GlobalVariable *GV,
- std::string &LinkName) const;
-
- /// EmitExternalGlobal - Emit the external reference to a global variable.
- /// Should be overridden if an indirect reference should be used.
- virtual void EmitExternalGlobal(const GlobalVariable *GV);
-
- /// getCurrentFunctionEHName - Called to return the CurrentFnEHName.
- ///
- std::string getCurrentFunctionEHName(const MachineFunction *MF) const;
-
+ /// getFunctionNumber - Return a unique ID for the current function.
+ ///
+ unsigned getFunctionNumber() const { return FunctionNumber; }
+
protected:
/// getAnalysisUsage - Record analysis usage.
///
/// call this implementation.
bool doInitialization(Module &M);
+ /// EmitStartOfAsmFile - This virtual method can be overridden by targets
+ /// that want to emit something at the start of their file.
+ virtual void EmitStartOfAsmFile(Module &) {}
+
+ /// EmitEndOfAsmFile - This virtual method can be overridden by targets that
+ /// want to emit something at the end of their file.
+ virtual void EmitEndOfAsmFile(Module &) {}
+
/// doFinalization - Shut down the asmprinter. If you override this in your
/// pass, you must make sure to call it explicitly.
bool doFinalization(Module &M);
/// is being processed from runOnMachineFunction.
void SetupMachineFunction(MachineFunction &MF);
- /// getFunctionNumber - Return a unique ID for the current function.
- ///
- unsigned getFunctionNumber() const { return FunctionNumber; }
-
/// IncrementFunctionNumber - Increase Function Number. AsmPrinters should
/// not normally call this, as the counter is automatically bumped by
/// SetupMachineFunction.
void EOL() const;
void EOL(const std::string &Comment) const;
void EOL(const char* Comment) const;
-
+ void EOL(const char *Comment, unsigned Encoding) const;
+
/// EmitULEB128Bytes - Emit an assembler byte data directive to compose an
/// unsigned leb128 value.
void EmitULEB128Bytes(unsigned Value) const;
/// EmitString - Emit a string with quotes and a null terminator.
/// Special characters are emitted properly.
/// @verbatim (Eg. '\t') @endverbatim
- void EmitString(const std::string &String) const;
+ void EmitString(const StringRef String) const;
void EmitString(const char *String, unsigned Size) const;
/// EmitFile - Emit a .file directive.
/// EmitComments - Pretty-print comments for instructions
void EmitComments(const MachineInstr &MI) const;
- /// EmitComments - Pretty-print comments for instructions
- void EmitComments(const MCInst &MI) const;
/// EmitComments - Pretty-print comments for basic blocks
void EmitComments(const MachineBasicBlock &MBB) const;
- /// printMCInst - Print an MCInst for this target.
- ///
- /// Note, this is only a temporary hack to allow the MCStreamer to print
- /// instructions, do not use this function outside of llvm-mc.
- virtual void printMCInst(const MCInst *MI);
+ /// GetGlobalValueSymbol - Return the MCSymbol for the specified global
+ /// value.
+ MCSymbol *GetGlobalValueSymbol(const GlobalValue *GV) const;
+ /// GetPrivateGlobalValueSymbolStub - Return the MCSymbol for a symbol with
+ /// global value name as its base, with the specified suffix, and where the
+ /// symbol is forced to have private linkage.
+ MCSymbol *GetPrivateGlobalValueSymbolStub(const GlobalValue *GV,
+ StringRef Suffix) const;
+
+ /// GetExternalSymbolSymbol - Return the MCSymbol for the specified
+ /// ExternalSymbol.
+ MCSymbol *GetExternalSymbolSymbol(StringRef Sym) const;
+
+ /// GetMBBSymbol - Return the MCSymbol corresponding to the specified basic
+ /// block label.
+ MCSymbol *GetMBBSymbol(unsigned MBBID) const;
+
+ /// GetBlockAddressSymbol - Return the MCSymbol used to satisfy BlockAddress
+ /// uses of the specified basic block.
+ MCSymbol *GetBlockAddressSymbol(const BlockAddress *BA,
+ const char *Suffix = "") const;
+ MCSymbol *GetBlockAddressSymbol(const Function *F,
+ const BasicBlock *BB,
+ const char *Suffix = "") const;
+
+ /// EmitBasicBlockStart - This method prints the label for the specified
+ /// MachineBasicBlock, an alignment (if present) and a comment describing
+ /// it if appropriate.
+ void EmitBasicBlockStart(const MachineBasicBlock *MBB) const;
protected:
/// EmitZeros - Emit a block of zeros.
///
virtual void EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV);
/// processDebugLoc - Processes the debug information of each machine
- /// instruction's DebugLoc.
- void processDebugLoc(DebugLoc DL);
+ /// instruction's DebugLoc.
+ void processDebugLoc(const MachineInstr *MI, bool BeforePrintingInsn);
/// printInlineAsm - This method formats and prints the specified machine
/// instruction that is an inline asm.
/// printImplicitDef - This method prints the specified machine instruction
/// that is an implicit def.
- virtual void printImplicitDef(const MachineInstr *MI) const;
-
- /// printBasicBlockLabel - This method prints the label for the specified
- /// MachineBasicBlock
- virtual void printBasicBlockLabel(const MachineBasicBlock *MBB,
- bool printAlign = false,
- bool printColon = false,
- bool printComment = true) const;
-
+ void printImplicitDef(const MachineInstr *MI) const;
+
+ /// printKill - This method prints the specified kill machine instruction.
+ void printKill(const MachineInstr *MI) const;
+
/// printPICJumpTableSetLabel - This method prints a set label for the
/// specified MachineBasicBlock for a jumptable entry.
virtual void printPICJumpTableSetLabel(unsigned uid,
/// printVisibility - This prints visibility information about symbol, if
/// this is suported by the target.
- void printVisibility(const std::string& Name, unsigned Visibility) const;
-
+ void printVisibility(const MCSymbol *Sym, unsigned Visibility) const;
+
/// printOffset - This is just convenient handler for printing offsets.
void printOffset(int64_t Offset) const;
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