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Use the LLVM_GNUC_PREREQ macro instead of the longhand version check 

llvm-svn: 221219
This commit is contained in:
Reid Kleckner 2014-11-04 01:28:33 +00:00
parent 6847d05f06
commit bfe73d7506
1 changed files with 3 additions and 4 deletions
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7
llvm/include/llvm/Support/SwapByteOrder.h
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@ -15,6 +15,7 @@
#ifndef LLVM_SUPPORT_SWAPBYTEORDER_H
#define LLVM_SUPPORT_SWAPBYTEORDER_H
#include "llvm/Support/Compiler.h"
#include "llvm/Support/DataTypes.h"
#include <cstddef>
#include <limits>
@ -39,8 +40,7 @@ inline uint16_t SwapByteOrder_16(uint16_t value) {
/// SwapByteOrder_32 - This function returns a byte-swapped representation of
/// the 32-bit argument.
inline uint32_t SwapByteOrder_32(uint32_t value) {
#if defined(__llvm__) || \
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__ICC)
#if defined(__llvm__) || (LLVM_GNUC_PREREQ(4, 3, 0) && !defined(__ICC))
return __builtin_bswap32(value);
#elif defined(_MSC_VER) && !defined(_DEBUG)
return _byteswap_ulong(value);
@ -56,8 +56,7 @@ inline uint32_t SwapByteOrder_32(uint32_t value) {
/// SwapByteOrder_64 - This function returns a byte-swapped representation of
/// the 64-bit argument.
inline uint64_t SwapByteOrder_64(uint64_t value) {
#if defined(__llvm__) || \
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__ICC)
#if defined(__llvm__) || (LLVM_GNUC_PREREQ(4, 3, 0) && !defined(__ICC))
return __builtin_bswap64(value);
#elif defined(_MSC_VER) && !defined(_DEBUG)
return _byteswap_uint64(value);