Tim Shen dc698c3e91 [PPC] Memoize getValueBits. NFC. ...

Summary: It triggers exponential behavior when the DAG has many branches.

Reviewers: hfinkel, kbarton

Subscribers: iteratee, nemanjai, echristo

Differential Revision: https://reviews.llvm.org/D23428

llvm-svn: 278548

2016-08-12 18:40:04 +00:00

162 KiB

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