[PATCH] [StatepointLowering] Don't create temporary instructions. NFCI.

[Philip Reames]

LGTM w/the requirement that you write a test which would have failed with your previous version and include it with the submission.


================
Comment at: lib/CodeGen/SelectionDAG/StatepointLowering.cpp:281
@@ -280,3 @@
-
-  // Search for the call node
-  // The following code is essentially reverse engineering X86's
----------------
I would prefer you kept this comment in the new code.  I regularly use it to remind myself what's going on here.

http://reviews.llvm.org/D9480

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