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Manman Ren ba86b13ad9 MachineCSE: Update the heuristics for isProfitableToCSE.
If the result of a common subexpression is used at all uses of the candidate
expression, CSE should not increase the live range of the common subexpression.

rdar://11393714 and rdar://11819721


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161396 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07 06:16:46 +00:00
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include Revert r161371. Removing the 'const' before Type is a "good thing". 2012-08-07 05:51:59 +00:00
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test MachineCSE: Update the heuristics for isProfitableToCSE. 2012-08-07 06:16:46 +00:00
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Low Level Virtual Machine (LLVM)
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