diff --git a/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp b/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
--- a/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
+++ b/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
@@ -12,9 +12,9 @@
 #include "llvm/Support/Error.h"
 #include "llvm/Support/raw_ostream.h"
 #ifdef HAVE_LIBPFM
-#include "perfmon/perf_event.h"
-#include "perfmon/pfmlib.h"
-#include "perfmon/pfmlib_perf_event.h"
+#include <perfmon/perf_event.h>
+#include <perfmon/pfmlib.h>
+#include <perfmon/pfmlib_perf_event.h>
 #endif
 
 #include <cassert>
diff --git a/llvm/tools/llvm-exegesis/lib/X86/X86Counter.h b/llvm/tools/llvm-exegesis/lib/X86/X86Counter.h
--- a/llvm/tools/llvm-exegesis/lib/X86/X86Counter.h
+++ b/llvm/tools/llvm-exegesis/lib/X86/X86Counter.h
@@ -15,14 +15,14 @@
 #ifndef LLVM_TOOLS_LLVM_EXEGESIS_LIB_X86_X86COUNTER_H
 #define LLVM_TOOLS_LLVM_EXEGESIS_LIB_X86_X86COUNTER_H
 
-#include "../PerfHelper.h"
-#include "llvm/Support/Error.h"
-
 // FIXME: Use appropriate wrappers for poll.h and mman.h
 // to support Windows and remove this linux-only guard.
 #if defined(__linux__) && defined(HAVE_LIBPFM) &&                              \
     defined(LIBPFM_HAS_FIELD_CYCLES)
 
+#include "../PerfHelper.h"
+#include "llvm/Support/Error.h"
+
 namespace llvm {
 namespace exegesis {
 
diff --git a/llvm/tools/llvm-exegesis/lib/X86/X86Counter.cpp b/llvm/tools/llvm-exegesis/lib/X86/X86Counter.cpp
--- a/llvm/tools/llvm-exegesis/lib/X86/X86Counter.cpp
+++ b/llvm/tools/llvm-exegesis/lib/X86/X86Counter.cpp
@@ -16,11 +16,9 @@
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/Errc.h"
 
-#ifdef HAVE_LIBPFM
-#include "perfmon/perf_event.h"
-#include "perfmon/pfmlib.h"
-#include "perfmon/pfmlib_perf_event.h"
-#endif // HAVE_LIBPFM
+#include <perfmon/perf_event.h>
+#include <perfmon/pfmlib.h>
+#include <perfmon/pfmlib_perf_event.h>
 
 #include <atomic>
 #include <chrono>