Chandler Carruth 5f46c3c2e8 Make SimplifyCFG simply depend upon TargetTransformInfo and pass it ...

through as a reference rather than a pointer. There is always *some*
implementation of this available, so this simplifies code by not having
to test for whether it is available or not.

Further, it turns out there were piles of places where SimplifyCFG was
recursing and not passing down either TD or TTI. These are fixed to be
more pedantically consistent even though I don't have any particular
cases where it would matter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171691 91177308-0d34-0410-b5e6-96231b3b80d8

2013-01-07 03:53:25 +00:00

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