Jakob Stoklund Olesen 107d366df7 Tweak the register allocator priority queue some more.
New live ranges are assigned in long -> short order, but live ranges that have
been evicted at least once are deferred and assigned in short -> long order.

Also disable splitting and spilling for live ranges seen for the first time.

The intention is to create a realistic interference pattern from the heavy live
ranges before starting splitting and spilling around it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24 23:21:36 +00:00
2010-12-12 21:42:01 +00:00
2011-01-29 01:09:53 +00:00
2010-12-17 17:22:50 +00:00
2010-11-29 18:16:10 +00:00
2011-02-11 19:11:57 +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.

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LLVM backend for 6502
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