[PATCH] D13358: InstCombine: Fold comparisons between unguessable allocas and other pointers

[Hans Wennborg via llvm-commits]

hans updated the summary for this revision.
hans updated this revision to Diff 36685.
hans added a comment.

Bail early if we hit an instruction with many uses. In particular, don't cause WorkList to get heap allocated by adding elements to it that we're not going to process anyway.

I can has lgtm?


http://reviews.llvm.org/D13358

Files:
  lib/Transforms/InstCombine/InstCombineCompares.cpp
  lib/Transforms/InstCombine/InstCombineInternal.h
  test/Transforms/InstCombine/compare-alloca.ll

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