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Support: Document Endian.h functions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204671 91177308-0d34-0410-b5e6-96231b3b80d8
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Justin Bogner
2014-03-24 21:30:55 +00:00
parent f4ec1889db
commit 2563e201c1
1 changed files with 3 additions and 0 deletions
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include/llvm/Support/Endian.h
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@@ -34,6 +34,7 @@ namespace detail {
} // end namespace detail } // end namespace detail
namespace endian { namespace endian {
/// Swap the bytes of value to match the given endianness.
template<typename value_type, endianness endian> template<typename value_type, endianness endian>
inline value_type byte_swap(value_type value) { inline value_type byte_swap(value_type value) {
if (endian != native && sys::IsBigEndianHost != (endian == big)) if (endian != native && sys::IsBigEndianHost != (endian == big))
@@ -41,6 +42,7 @@ inline value_type byte_swap(value_type value) {
return value; return value;
} }
/// Read a value of a particular endianness from memory.
template<typename value_type, template<typename value_type,
endianness endian, endianness endian,
std::size_t alignment> std::size_t alignment>
@@ -54,6 +56,7 @@ inline value_type read(const void *memory) {
return byte_swap<value_type, endian>(ret); return byte_swap<value_type, endian>(ret);
} }
/// Write a value to memory with a particular endianness.
template<typename value_type, template<typename value_type,
endianness endian, endianness endian,
std::size_t alignment> std::size_t alignment>