[PATCH] [JumpThreading] Simplify comparisons when simplifying branches

[hfinkel at anl.gov]

LGTM too (without the unrelated white-space change).

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Comment at: lib/Transforms/Scalar/JumpThreading.cpp:855
@@ -854,3 +865,2 @@
 
-
   // TODO: If we have: "br (X > 0)"  and we have a predecessor where we know
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Unrelated white-space change.

http://reviews.llvm.org/D9312

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