mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-20 10:30:03 +00:00
067d024b05
- This is an initial step towards -march=native support in Clang, and towards eliminating host dependencies in the targets. See PR5389. - Patch by Roman Divacky! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88768 91177308-0d34-0410-b5e6-96231b3b80d8
54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
//===- 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();
|
|
|
|
/// getHostCPUName - Get the LLVM name for the host CPU. The particular format
|
|
/// of the name is target dependent, and suitable for passing as -mcpu to the
|
|
/// target which matches the host.
|
|
///
|
|
/// \return - The host CPU name, or empty if the CPU could not be determined.
|
|
std::string getHostCPUName();
|
|
}
|
|
}
|
|
|
|
#endif
|