llvm-6502/lib/Target/X86/X86Subtarget.h
2005-07-12 02:36:10 +00:00

59 lines
1.8 KiB
C++

//=====-- X86Subtarget.h - Define TargetMachine for the X86 ---*- C++ -*--====//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Nate Begeman and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the X86 specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
#ifndef X86SUBTARGET_H
#define X86SUBTARGET_H
#include "llvm/Target/TargetSubtarget.h"
namespace llvm {
class Module;
class X86Subtarget : public TargetSubtarget {
protected:
/// stackAlignment - The minimum alignment known to hold of the stack frame on
/// entry to the function and which must be maintained by every function.
unsigned stackAlignment;
/// Used by instruction selector
bool indirectExternAndWeakGlobals;
/// Used by the asm printer
bool asmDarwinLinkerStubs;
bool asmLeadingUnderscore;
bool asmAlignmentIsInBytes;
bool asmPrintDotLocalConstants;
bool asmPrintDotLCommConstants;
bool asmPrintConstantAlignment;
public:
/// This constructor initializes the data members to match that
/// of the specified module.
///
X86Subtarget(const Module &M);
/// getStackAlignment - Returns the minimum alignment known to hold of the
/// stack frame on entry to the function and which must be maintained by every
/// function for this subtarget.
unsigned getStackAlignment() const { return stackAlignment; }
/// Returns true if the instruction selector should treat global values
/// referencing external or weak symbols as indirect rather than direct
/// references.
bool getIndirectExternAndWeakGlobals() const {
return indirectExternAndWeakGlobals;
}
};
} // End llvm namespace
#endif