[llvm] r221219 - Use the LLVM_GNUC_PREREQ macro instead of the longhand version check

[Reid Kleckner]

Author: rnk
Date: Mon Nov  3 19:28:33 2014
New Revision: 221219

URL: http://llvm.org/viewvc/llvm-project?rev=221219&view=rev
Log:
Use the LLVM_GNUC_PREREQ macro instead of the longhand version check

Modified:
    llvm/trunk/include/llvm/Support/SwapByteOrder.h

Modified: llvm/trunk/include/llvm/Support/SwapByteOrder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/SwapByteOrder.h?rev=221219&r1=221218&r2=221219&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/SwapByteOrder.h (original)
+++ llvm/trunk/include/llvm/Support/SwapByteOrder.h Mon Nov  3 19:28:33 2014
@@ -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_
 /// 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_
 /// 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);