[llvm-exegesis] Do not initialize FileDescriptor when libpfm is not

available.

llvm-svn: 329177

diff --git a/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp b/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
index bba0433..b7cbbf7 100644 (file)
--- a/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
+++ b/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
@@ -113,7 +113,7 @@ int64_t Counter::read() const {
 
 #else
 
-Counter::Counter(const PerfEvent &Event) : FileDescriptor(-1) {}
+Counter::Counter(const PerfEvent &Event) {}
 
 Counter::~Counter() = default;