X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86AsmPrinter.h;h=3a50435d38baf19b2801d7e0b6b60791a9dc17f7;hb=0be938e38916cecd4d3406c8531a341b2e1c9ec5;hp=a32142ceac28e6c8cf3b966785d881619c8bbc8a;hpb=cd8bc05102e7963a5839cfdca7785390288bc745;p=oota-llvm.git

diff --git a/lib/Target/X86/X86AsmPrinter.h b/lib/Target/X86/X86AsmPrinter.h
index a32142ceac2..3a50435d38b 100644
--- a/lib/Target/X86/X86AsmPrinter.h
+++ b/lib/Target/X86/X86AsmPrinter.h
@@ -1,15 +1,13 @@
-//===-- X86AsmPrinter.h - Convert X86 LLVM code to Intel assembly ---------===//
+//===-- X86AsmPrinter.h - Convert X86 LLVM code to assembly -----*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
-// This file the shared super class printer that converts from our internal
-// representation of machine-dependent LLVM code to Intel and AT&T format
-// assembly language.  This printer is the output mechanism used by `llc'.
+// AT&T assembly code printer class.
 //
 //===----------------------------------------------------------------------===//
 
@@ -19,78 +17,69 @@
 #include "X86.h"
 #include "X86MachineFunctionInfo.h"
 #include "X86TargetMachine.h"
+#include "llvm/ADT/StringSet.h"
 #include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DwarfWriter.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/ValueTypes.h"
 #include "llvm/Support/Compiler.h"
-#include <set>
-
 
 namespace llvm {
 
-struct VISIBILITY_HIDDEN X86SharedAsmPrinter : public AsmPrinter {
-  DwarfWriter DW;
-  MachineModuleInfo *MMI;
-
-  X86SharedAsmPrinter(std::ostream &O, X86TargetMachine &TM,
-                      const TargetAsmInfo *T)
-    : AsmPrinter(O, TM, T), DW(O, this, T), MMI(0) {
-    Subtarget = &TM.getSubtarget<X86Subtarget>();
-  }
-
-  // We have to propagate some information about MachineFunction to
-  // AsmPrinter. It's ok, when we're printing the function, since we have
-  // access to MachineFunction and can get the appropriate MachineFunctionInfo.
-  // Unfortunately, this is not possible when we're printing reference to
-  // Function (e.g. calling it and so on). Even more, there is no way to get the
-  // corresponding MachineFunctions: it can even be not created at all. That's
-  // why we should use additional structure, when we're collecting all necessary
-  // information.
-  //
-  // This structure is using e.g. for name decoration for stdcall & fastcall'ed
-  // function, since we have to use arguments' size for decoration.
-  typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
-  FMFInfoMap FunctionInfoMap;
-
-  void decorateName(std::string& Name, const GlobalValue* GV);
-
-  bool doInitialization(Module &M);
-  bool doFinalization(Module &M);
-
-  void getAnalysisUsage(AnalysisUsage &AU) const {
-    AU.setPreservesAll();
-    if (Subtarget->isTargetDarwin() ||
-        Subtarget->isTargetELF() ||
-        Subtarget->isTargetCygMing()) {
-      AU.addRequired<MachineModuleInfo>();
-    }
-    AsmPrinter::getAnalysisUsage(AU);
-  }
+class MachineJumpTableInfo;
+class MCContext;
+class MCInst;
+class MCStreamer;
+class MCSymbol;
 
+class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
   const X86Subtarget *Subtarget;
-
-  // Necessary for Darwin to print out the apprioriate types of linker stubs
-  std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
-
-  // Necessary for dllexport support
-  std::set<std::string> DLLExportedFns, DLLExportedGVs;
-
-  inline static bool isScale(const MachineOperand &MO) {
-    return MO.isImmediate() &&
-          (MO.getImmedValue() == 1 || MO.getImmedValue() == 2 ||
-          MO.getImmedValue() == 4 || MO.getImmedValue() == 8);
+ public:
+  explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+    : AsmPrinter(TM, Streamer) {
+    Subtarget = &TM.getSubtarget<X86Subtarget>();
   }
 
-  inline static bool isMem(const MachineInstr *MI, unsigned Op) {
-    if (MI->getOperand(Op).isFrameIndex()) return true;
-    return Op+4 <= MI->getNumOperands() &&
-      MI->getOperand(Op  ).isRegister() && isScale(MI->getOperand(Op+1)) &&
-      MI->getOperand(Op+2).isRegister() &&
-      (MI->getOperand(Op+3).isImmediate() ||
-       MI->getOperand(Op+3).isGlobalAddress() ||
-       MI->getOperand(Op+3).isConstantPoolIndex() ||
-       MI->getOperand(Op+3).isJumpTableIndex());
+  virtual const char *getPassName() const {
+    return "X86 AT&T-Style Assembly Printer";
   }
+  
+  const X86Subtarget &getSubtarget() const { return *Subtarget; }
+
+  virtual void EmitStartOfAsmFile(Module &M);
+
+  virtual void EmitEndOfAsmFile(Module &M);
+  
+  virtual void EmitInstruction(const MachineInstr *MI);
+  
+  void printSymbolOperand(const MachineOperand &MO, raw_ostream &O);
+
+  // These methods are used by the tablegen'erated instruction printer.
+  void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O,
+                    const char *Modifier = 0);
+  void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
+
+  bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O);
+  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+                       unsigned AsmVariant, const char *ExtraCode,
+                       raw_ostream &OS);
+  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+                             unsigned AsmVariant, const char *ExtraCode,
+                             raw_ostream &OS);
+
+  void printMachineInstruction(const MachineInstr *MI);
+  void printSSECC(const MachineInstr *MI, unsigned Op, raw_ostream &O);
+  void printMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
+                         const char *Modifier=NULL);
+  void printLeaMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
+                            const char *Modifier=NULL);
+
+  void printPICLabel(const MachineInstr *MI, unsigned Op, raw_ostream &O);
+
+  bool runOnMachineFunction(MachineFunction &F);
+  
+  void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
+
+  MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
 };
 
 } // end namespace llvm