mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-21 03:29:40 +00:00
based on TargetType. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24478 91177308-0d34-0410-b5e6-96231b3b80d8
58 lines
1.7 KiB
C++
58 lines
1.7 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;
|
|
|
|
public:
|
|
enum {
|
|
isELF, isCygwin, isDarwin, isWindows
|
|
} TargetType;
|
|
|
|
/// 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
|