freebsd-dev/include/llvm/System/Host.h

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2009-06-02 17:52:33 +00:00
//===- llvm/System/Host.h - Host machine characteristics --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Methods for querying the nature of the host machine.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SYSTEM_HOST_H
#define LLVM_SYSTEM_HOST_H
#include <string>
namespace llvm {
namespace sys {
inline bool isLittleEndianHost() {
union {
int i;
char c;
};
i = 1;
return c;
}
inline bool isBigEndianHost() {
return !isLittleEndianHost();
}
/// getHostTriple() - Return the target triple of the running
/// system.
///
/// The target triple is a string in the format of:
/// CPU_TYPE-VENDOR-OPERATING_SYSTEM
/// or
/// CPU_TYPE-VENDOR-KERNEL-OPERATING_SYSTEM
std::string getHostTriple();
}
}
#endif