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reenable array_pod_sort, this time hopefully happy on 64-bit

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and big endian systems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60371 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-12-01 21:11:25 +00:00
parent 57036da328
commit c65fc3bd27
1 changed files with 12 additions and 9 deletions
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21
include/llvm/ADT/STLExtras.h
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@ -231,6 +231,15 @@ static inline int array_pod_sort_comparator(const void *P1, const void *P2) {
return 1;
return 0;
}
/// get_array_pad_sort_comparator - This is an internal helper function used to
/// get type deduction of T right.
template<typename T>
static int (*get_array_pad_sort_comparator(const T &X))
(const void*, const void*) {
return array_pod_sort_comparator<T>;
}
/// array_pod_sort - This sorts an array with the specified start and end
/// extent. This is just like std::sort, except that it calls qsort instead of
@ -246,18 +255,12 @@ static inline int array_pod_sort_comparator(const void *P1, const void *P2) {
///
/// NOTE: If qsort_r were portable, we could allow a custom comparator and
/// default to std::less.
}
#include <algorithm>
namespace llvm {
template<class IteratorTy>
static inline void array_pod_sort(IteratorTy Start, IteratorTy End) {
std::sort(Start, End);
// Don't dereference start iterator of empty sequence.
//if (Start == End) return;
//qsort(&*Start, End-Start, sizeof(*Start),
// array_pod_sort_comparator<*Start>);
if (Start == End) return;
qsort(&*Start, End-Start, sizeof(*Start),
get_array_pad_sort_comparator(*Start));
}
} // End llvm namespace