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[llvm-exegesis] Check perf event validity.
authorClement Courbet <courbet@google.com>
Tue, 15 May 2018 07:35:21 +0000 (07:35 +0000)
committerClement Courbet <courbet@google.com>
Tue, 15 May 2018 07:35:21 +0000 (07:35 +0000)
commit4021505db6f1c8d2b8fb0aee5e6689555e52bbed
tree50e0f732afe77360469d27845cb548b666e70da6
parent370633f2f2dd08a52252ac2c5f476651a51d65a7
[llvm-exegesis] Check perf event validity.

This was part of https://reviews.llvm.org/D46821.

Authored by Guillaume Chatelet

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@332330 91177308-0d34-0410-b5e6-96231b3b80d8
tools/llvm-exegesis/lib/PerfHelper.cpp