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[svadev] [PATCH] Add implied fast load/store check optimization.


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  • From: Ott Tinn <llvm AT otinn.com>
  • To: svadev AT cs.uiuc.edu
  • Subject: [svadev] [PATCH] Add implied fast load/store check optimization.
  • Date: Fri, 17 Aug 2012 22:41:38 +0100
  • List-archive: <http://lists.cs.uiuc.edu/pipermail/svadev>
  • List-id: <svadev.cs.uiuc.edu>

Hi,

The attached patch adds an optimization pass that removes fast
load/store checks that are implied by other fast load/store checks.
It works by traversing a dominator tree to find out which checks must
always happen before other checks.
It looks for fast load/store checks that are dominated by other fast
load/store checks with the same access offset, access size, and object
size triple.

Attachment: optimize-implied-fast-ls-checks.patch
Description: Binary data




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