Jingyue Wu 7a1e93493d [ValueTracking] do not overwrite analysis results already computed ...

Summary:
ValueTracking used to overwrite the analysis results computed from
assumes and dominating conditions. This patch fixes this issue.

Test Plan: test/Analysis/ValueTracking/assume.ll

Reviewers: hfinkel, majnemer

Reviewed By: majnemer

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10283

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239718 91177308-0d34-0410-b5e6-96231b3b80d8

2015-06-15 05:46:29 +00:00

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