-//===-- X86AsmPrinter.h - Convert X86 LLVM code to Intel assembly ---------===//
+//===-- X86AsmPrinter.h - X86 implementation of AsmPrinter ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// 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'.
-//
-//===----------------------------------------------------------------------===//
#ifndef X86ASMPRINTER_H
#define X86ASMPRINTER_H
-#include "X86.h"
-#include "X86MachineFunctionInfo.h"
-#include "X86TargetMachine.h"
-#include "llvm/ADT/StringSet.h"
+#include "X86Subtarget.h"
#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/Support/Compiler.h"
+#include "llvm/CodeGen/StackMaps.h"
+#include "llvm/Target/TargetMachine.h"
namespace llvm {
+class MCStreamer;
+class MCSymbol;
-struct VISIBILITY_HIDDEN X86SharedAsmPrinter : public AsmPrinter {
- DwarfWriter DW;
- MachineModuleInfo *MMI;
+class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
+ const X86Subtarget *Subtarget;
+ StackMaps SM;
+
+ void GenerateExportDirective(const MCSymbol *Sym, bool IsData);
- X86SharedAsmPrinter(std::ostream &O, X86TargetMachine &TM,
- const TargetAsmInfo *T)
- : AsmPrinter(O, TM, T), DW(O, this, T), MMI(0) {
+ public:
+ explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : AsmPrinter(TM, Streamer), SM(*this) {
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);
+ const char *getPassName() const override {
+ return "X86 Assembly / Object Emitter";
}
- const X86Subtarget *Subtarget;
+ const X86Subtarget &getSubtarget() const { return *Subtarget; }
- // Necessary for Darwin to print out the apprioriate types of linker stubs
- StringSet<> FnStubs, GVStubs, LinkOnceStubs;
+ void EmitStartOfAsmFile(Module &M) override;
- // Necessary for dllexport support
- StringSet<> DLLExportedFns, DLLExportedGVs;
+ void EmitEndOfAsmFile(Module &M) override;
- inline static bool isScale(const MachineOperand &MO) {
- return MO.isImmediate() &&
- (MO.getImm() == 1 || MO.getImm() == 2 ||
- MO.getImm() == 4 || MO.getImm() == 8);
- }
+ void EmitInstruction(const MachineInstr *MI) 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());
- }
+ 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