[PATCH] [IndVarSimplify] Widen signed loop compare instructions to enable additional optimizations.

[David Peixotto]

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Comment at: lib/Transforms/Scalar/IndVarSimplify.cpp:931
@@ -928,1 +930,3 @@
 
+/// If the narrow use is a compare instruction, and the compare has a single use
+/// then widen the compare instruction (and possibly the other operand).
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Does your comment about single use still apply? I don't see a check for it.

http://reviews.llvm.org/D5333