[X86] Add support for Read Time Stamp Counter x86 builtin intrinsics.

[oota-llvm.git] / lib / Target / X86 / X86AsmPrinter.h

diff --git a/lib/Target/X86/X86AsmPrinter.h b/lib/Target/X86/X86AsmPrinter.h
old mode 100755 (executable)
new mode 100644 (file)
index eee956c..3308cc2
--- a/lib/Target/X86/X86AsmPrinter.h
+++ b/lib/Target/X86/X86AsmPrinter.h
@@ -1,97 +1,54 @@
-//===-- X86AsmPrinter.h - Convert X86 LLVM code to Intel assembly ---------===//
+//===-- X86AsmPrinter.h - X86 implementation of AsmPrinter ------*- 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 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'.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef X86ASMPRINTER_H
 #define X86ASMPRINTER_H
 
-#include "X86.h"
-#include "X86TargetMachine.h"
+#include "X86Subtarget.h"
 #include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineDebugInfo.h"
-#include "llvm/ADT/Statistic.h"
-#include <set>
-
+#include "llvm/CodeGen/StackMaps.h"
+#include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
 
-extern Statistic<> EmittedInsts;
+class MCStreamer;
 
-/// X86DwarfWriter - Dwarf debug info writer customized for Darwin/Mac OS X
-///
-struct X86DwarfWriter : public DwarfWriter {
- // Ctor.
-X86DwarfWriter(std::ostream &o, AsmPrinter *ap)
-  : DwarfWriter(o, ap)
-    {
-      needsSet = true;
-      DwarfAbbrevSection = ".section __DWARFA,__debug_abbrev";
-      DwarfInfoSection = ".section __DWARFA,__debug_info";
-      DwarfLineSection = ".section __DWARFA,__debug_line";
-      DwarfFrameSection = ".section __DWARFA,__debug_frame";
-      DwarfPubNamesSection = ".section __DWARFA,__debug_pubnames";
-      DwarfPubTypesSection = ".section __DWARFA,__debug_pubtypes";
-      DwarfStrSection = ".section __DWARFA,__debug_str";
-      DwarfLocSection = ".section __DWARFA,__debug_loc";
-      DwarfARangesSection = ".section __DWARFA,__debug_aranges";
-      DwarfRangesSection = ".section __DWARFA,__debug_ranges";
-      DwarfMacInfoSection = ".section __DWARFA,__debug_macinfo";
-      TextSection = ".text";
-       DataSection = ".data";
-    }
-};
-
-struct X86SharedAsmPrinter : public AsmPrinter {
-  X86DwarfWriter DW;
+class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
+  const X86Subtarget *Subtarget;
+  StackMaps SM;
 
-  X86SharedAsmPrinter(std::ostream &O, X86TargetMachine &TM)
-    : AsmPrinter(O, TM), DW(O, this) {
+ public:
+  explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+    : AsmPrinter(TM, Streamer), SM(*this) {
     Subtarget = &TM.getSubtarget<X86Subtarget>();
   }
 
-  bool doInitialization(Module &M);
-  bool doFinalization(Module &M);
-
-  void getAnalysisUsage(AnalysisUsage &AU) const {
-    AU.setPreservesAll();
-    AU.addRequired<MachineDebugInfo>();
-    MachineFunctionPass::getAnalysisUsage(AU);
+  const char *getPassName() const override {
+    return "X86 Assembly / Object Emitter";
   }
 
-  const char *DefaultTextSection;   // "_text" for MASM, ".text" for others.
-  const char *DefaultDataSection;   // "_data" for MASM, ".data" for others.
-  const X86Subtarget *Subtarget;
+  const X86Subtarget &getSubtarget() const { return *Subtarget; }
 
-  // Necessary for Darwin to print out the apprioriate types of linker stubs
-  std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
+  void EmitStartOfAsmFile(Module &M) override;
 
-  inline static bool isScale(const MachineOperand &MO) {
-    return MO.isImmediate() &&
-          (MO.getImmedValue() == 1 || MO.getImmedValue() == 2 ||
-          MO.getImmedValue() == 4 || MO.getImmedValue() == 8);
-  }
+  void EmitEndOfAsmFile(Module &M) override;
 
-  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());
-  }
+  void EmitInstruction(const MachineInstr *MI) override;
+
+  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+                       unsigned AsmVariant, const char *ExtraCode,
+                       raw_ostream &OS) override;
+  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+                             unsigned AsmVariant, const char *ExtraCode,
+                             raw_ostream &OS) override;
+
+  bool runOnMachineFunction(MachineFunction &F) override;
 };
 
 } // end namespace llvm