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Mehdi Amini 67d2cc1fad [ThinLTO] Add a recursive step in Metadata lazy-loading 
Summary:
Without this, we're stressing the RAUW of unique nodes,
which is a costly operation. This is intended to limit
the number of RAUW, and is very effective on the total
link-time of opt with ThinLTO, before:

  real 4m4.587s  user 15m3.401s  sys 0m23.616s

after:

  real 3m25.261s user 12m22.132s sys 0m24.152s

Reviewers: tejohnson, pcc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D28751

llvm-svn: 292420
 		2017-01-18 18:36:21 +00:00
..
Reader [ThinLTO] Add a recursive step in Metadata lazy-loading 2017-01-18 18:36:21 +00:00
Writer Remove unused lambda captures. NFC 2017-01-13 17:12:16 +00:00
CMakeLists.txt
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LLVMBuild.txt
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