Eli Friedman 992205ac71 Add a limit to the number of instructions memdep will scan in a single block. This prevents (at least in some cases) O(N^2) runtime in passes like DSE.
The limit in this patch is probably too high, but it is enough to stop DSE from going completely insane on a testcase I have (which has a single block with around 50,000 non-aliasing stores in it).

rdar://9471075



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133111 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15 23:59:25 +00:00
2011-06-12 15:26:54 +00:00
2011-05-24 00:58:06 +00:00
2011-06-09 20:11:46 +00:00
2011-05-31 21:54:28 +00:00
2011-06-12 15:26:54 +00:00
2011-06-12 15:26:54 +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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