llvm-6502/lib/Target/X86/X86Subtarget.h
Jim Laskey b1e1180ca0 1. Use SubtargetFeatures in llc/lli.
2. Propagate feature "string" to all targets.

3. Implement use of SubtargetFeatures in PowerPCTargetSubtarget.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23192 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-01 21:38:21 +00:00

61 lines
1.9 KiB
C++

//=====---- X86Subtarget.h - Define Subtarget 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"
#include <string>
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, const std::string &FS);
/// 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