mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 15:32:52 +01:00
75 lines
2.4 KiB
C++
Executable File
75 lines
2.4 KiB
C++
Executable File
//===-- X86AsmPrinter.h - Convert X86 LLVM code to Intel assembly ---------===//
|
|
//
|
|
// 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'.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef X86ASMPRINTER_H
|
|
#define X86ASMPRINTER_H
|
|
|
|
#include "X86.h"
|
|
#include "llvm/CodeGen/AsmPrinter.h"
|
|
#include "llvm/ADT/Statistic.h"
|
|
#include <set>
|
|
|
|
|
|
namespace llvm {
|
|
namespace x86 {
|
|
|
|
extern Statistic<> EmittedInsts;
|
|
|
|
struct X86SharedAsmPrinter : public AsmPrinter {
|
|
X86SharedAsmPrinter(std::ostream &O, TargetMachine &TM)
|
|
: AsmPrinter(O, TM), forCygwin(false), forDarwin(false) { }
|
|
|
|
bool doInitialization(Module &M);
|
|
void printConstantPool(MachineConstantPool *MCP);
|
|
bool doFinalization(Module &M);
|
|
|
|
bool forCygwin;
|
|
bool forDarwin;
|
|
|
|
// Necessary for Darwin to print out the apprioriate types of linker stubs
|
|
std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
|
|
|
|
inline static bool isScale(const MachineOperand &MO) {
|
|
return MO.isImmediate() &&
|
|
(MO.getImmedValue() == 1 || MO.getImmedValue() == 2 ||
|
|
MO.getImmedValue() == 4 || MO.getImmedValue() == 8);
|
|
}
|
|
|
|
inline static bool isMem(const MachineInstr *MI, unsigned Op) {
|
|
if (MI->getOperand(Op).isFrameIndex()) return true;
|
|
if (MI->getOperand(Op).isConstantPoolIndex()) 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());
|
|
}
|
|
|
|
// SwitchSection - Switch to the specified section of the executable if we are
|
|
// not already in it!
|
|
inline static void SwitchSection(std::ostream &OS, std::string &CurSection,
|
|
const char *NewSection) {
|
|
if (CurSection != NewSection) {
|
|
CurSection = NewSection;
|
|
if (!CurSection.empty())
|
|
OS << "\t" << NewSection << "\n";
|
|
}
|
|
}
|
|
};
|
|
|
|
} // end namespace x86
|
|
} // end namespace llvm
|
|
|
|
#endif
|