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authorDale Johannesen <dalej@apple.com>2008-12-16 22:16:28 +0000
committerDale Johannesen <dalej@apple.com>2008-12-16 22:16:28 +0000
commit7b7b3d459399e5d3409aa6f208a88edc4cf86745 (patch)
tree797c6be3c1bf9ae1e07b8ac5d01c93a8580ab866 /utils
parent0b58ffac380b4128b2b100e807a88f4c65d498ac (diff)
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Clarify that the scale factor from CheckForIVReuse
can be negative. Keep track of whether all uses of an IV are outside the loop. Some cosmetics; no functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61109 91177308-0d34-0410-b5e6-96231b3b80d8
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