Hiroshi Yamauchi 7b98fc0e46 [PGO][CHR] Speed up following long use-def chains.
Summary: Avoid visiting an instruction more than once by using a map.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62262

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@361416 91177308-0d34-0410-b5e6-96231b3b80d8
2019-05-22 18:37:34 +00:00
2014-03-02 13:08:46 +00:00
2019-05-21 20:28:32 +00:00
2016-01-26 21:29:08 +00:00
2019-02-19 20:38:51 +00:00

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