[PATCH] In LICM, don't create more than one copy of an instruction per loop exit block when sinking.

[Evgeniy Stepanov]

================
Comment at: test/Transforms/LICM/extra-copies.ll:36
@@ +35,2 @@
+
+!0 = metadata !{metadata !"clang version 3.5.0 (211262)"}
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hfinkel at anl.gov wrote:
> Please remove the extra metadata (like this one), and any unneeded attributes.
done

http://reviews.llvm.org/D4252