Chandler Carruth c7384cfc7a Add support for hashing pairs by delegating to each sub-object. There is
an open question of whether we can do better than this by treating pairs
as boring data containers and directly hashing the two subobjects. This
at least makes the API reasonable.

In order to make this change, I reorganized the header a bit. I lifted
the declarations of the hash_value functions up to the top of the header
with their doxygen comments as these are intended for users to interact
with. They shouldn't have to wade through implementation details. I then
defined them at the very end so that they could be defined in terms of
hash_combine or any other hashing infrastructure.

Added various pair-hashing unittests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151882 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02 08:32:29 +00:00
2012-03-01 22:19:54 +00:00
2012-02-29 16:43:11 +00:00

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the HTML documentation provided in docs/index.html for further
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LLVM backend for 6502
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