commit bb0402417fc1d386649870e3347225d3cf9483b9
author Alina Sbirlea <asbirlea@google.com> Tue Feb 12 23:05:40 2019 +0000
committer Alina Sbirlea <asbirlea@google.com> Tue Feb 12 23:05:40 2019 +0000
tree ffb15d7c8d5e7dc9fa0829b55c247971fadd6080
parent 56bc56e24546966090a680b027d4e6b8460312d4

[LICM] Cap the clobbering calls in LICM.

Summary:
Unlimitted number of calls to getClobberingAccess can lead to high
compile times in pathological cases.
Switching EnableLicmCap flag from bool to int, and enabling to default 100.
(tested to be appropriate for current bechmarks)
We can revisit this value when enabling MemorySSA.

Reviewers: sanjoy, chandlerc, george.burgess.iv

Subscribers: jlebar, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D57968

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353897 91177308-0d34-0410-b5e6-96231b3b80d8