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[llvm-exegesis] Do not initialize FileDescriptor when libpfm is not
authorClement Courbet <courbet@google.com>
Wed, 4 Apr 2018 12:12:38 +0000 (12:12 +0000)
committerClement Courbet <courbet@google.com>
Wed, 4 Apr 2018 12:12:38 +0000 (12:12 +0000)
commitfdbb56de7e551621ef98edbe09b318989946ad89
tree66b10285c850512cff461b7c3a838f7b30da04b2
parentc07488664c0a51a6ca2d094f576f992b0acf6e4a
[llvm-exegesis] Do not initialize FileDescriptor when libpfm is not
available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@329177 91177308-0d34-0410-b5e6-96231b3b80d8
tools/llvm-exegesis/lib/PerfHelper.cpp