llvm-mirror/include/llvm/System/Host.h
Duncan Sands 47526c4a42 Remove host endianness info from TargetData and
put it in a new header System/Host.h instead.
Instead of getting the endianness from configure,
calculate it directly.

llvm-svn: 44959
2007-12-12 23:03:45 +00:00

37 lines
800 B
C++

//===- llvm/System/Host.h - Host machine characteristics --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Duncan Sands and 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
namespace llvm {
namespace sys {
inline bool littleEndianHost() {
union {
int i;
char c;
};
i = 1;
return c;
}
inline bool bigEndianHost() {
return !littleEndianHost();
}
}
}
#endif