[PATCH] D29747: PredicateInfo: Support switch statements

[Daniel Berlin via Phabricator via llvm-commits]

dberlin created this revision.

Depends on https://reviews.llvm.org/D29606 and https://reviews.llvm.org/D29682

Makes us pass GVN's edge.ll (we also will pass a few other testcases
they just need cleaning up).

Thoughts on the Predicate* hiearchy of classes especially welcome :)
(it's not clear to me how best to organize it, and currently, the getBlock* seems ... uglier than maybe wasting a field somewhere or something).


https://reviews.llvm.org/D29747

Files:
  include/llvm/Transforms/Utils/PredicateInfo.h
  lib/Transforms/Scalar/NewGVN.cpp
  lib/Transforms/Utils/PredicateInfo.cpp

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