-//===-- 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.
//
//===----------------------------------------------------------------------===//
#include "X86MachineFunctionInfo.h"
#include "X86TargetMachine.h"
#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineDebugInfo.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/Support/Compiler.h"
-#include <set>
-
namespace llvm {
-// FIXME: Move this to CodeGen/AsmPrinter.h
-namespace PICStyle {
- enum X86AsmPICStyle {
- Stub, GOT
- };
-}
-
-struct VISIBILITY_HIDDEN X86SharedAsmPrinter : public AsmPrinter {
- DwarfWriter DW;
+class MCStreamer;
- X86SharedAsmPrinter(std::ostream &O, X86TargetMachine &TM,
- const TargetAsmInfo *T)
- : AsmPrinter(O, TM, T), DW(O, this, T), X86PICStyle(PICStyle::GOT) {
+class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
+ const X86Subtarget *Subtarget;
+ public:
+ explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : AsmPrinter(TM, Streamer) {
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*, X86FunctionInfo> 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<MachineDebugInfo>();
- }
- MachineFunctionPass::getAnalysisUsage(AU);
+ virtual const char *getPassName() const LLVM_OVERRIDE {
+ return "X86 AT&T-Style Assembly Printer";
}
- PICStyle::X86AsmPICStyle X86PICStyle;
-
- 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;
+ virtual void EmitStartOfAsmFile(Module &M) LLVM_OVERRIDE;
- // Necessary for dllexport support
- std::set<std::string> DLLExportedFns, DLLExportedGVs;
+ virtual void EmitEndOfAsmFile(Module &M) LLVM_OVERRIDE;
- inline static bool isScale(const MachineOperand &MO) {
- return MO.isImmediate() &&
- (MO.getImmedValue() == 1 || MO.getImmedValue() == 2 ||
- MO.getImmedValue() == 4 || MO.getImmedValue() == 8);
- }
+ virtual void EmitInstruction(const MachineInstr *MI) LLVM_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() ||
- MI->getOperand(Op+3).isJumpTableIndex());
- }
+ 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, unsigned AsmVariant = 0);
+ void printPCRelImm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
+
+ bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O);
+ virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &OS) LLVM_OVERRIDE;
+ virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &OS) LLVM_OVERRIDE;
+
+ 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 printIntelMemReference(const MachineInstr *MI, unsigned Op,
+ raw_ostream &O, const char *Modifier=NULL,
+ unsigned AsmVariant = 1);
+
+ virtual bool runOnMachineFunction(MachineFunction &F) LLVM_OVERRIDE;
+
+ void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
+
+ virtual MachineLocation
+ getDebugValueLocation(const MachineInstr *MI) const LLVM_OVERRIDE;
};
} // end namespace llvm