[PATCH] [RewriteStatepointsForGC] Extend base pointer to handle more cases w/vectors

[Pat Gavlin]

LGTM with one nit.


================
Comment at: lib/Transforms/Scalar/RewriteStatepointsForGC.cpp:304
@@ +303,3 @@
+    if (isa<ConstantInt>(Index) && isa<ConstantInt>(InsertIndex) &&
+        Index != InsertIndex)
+      return findBaseOfVector(IEI->getOperand(0), Index);
----------------
Isn't `Index != InsertIndex` redundant?

http://reviews.llvm.org/D9676

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