[llvm-exegesis] Fix pfm counter names for Haswell for older versions of libpfm

The inconsistency caused uops mode to fail on an older version of libpfm
since the dispatched_port was added as an alias for executed_port only
after v4.6.0 of libpfm.

Differential revision: https://reviews.llvm.org/D71665

Author: Miloš Stojanović

llvm/lib/Target/X86/X86PfmCounters.td

@@ -81,14 +81,14 @@ def HaswellPfmCounters : ProcPfmCounters {
   let CycleCounter = UnhaltedCoreCyclesPfmCounter;
   let UopsCounter = UopsIssuedPfmCounter;
   let IssueCounters = [
-    PfmIssueCounter<"HWPort0", "uops_dispatched_port:port_0">,
-    PfmIssueCounter<"HWPort1", "uops_dispatched_port:port_1">,
-    PfmIssueCounter<"HWPort2", "uops_dispatched_port:port_2">,
-    PfmIssueCounter<"HWPort3", "uops_dispatched_port:port_3">,
-    PfmIssueCounter<"HWPort4", "uops_dispatched_port:port_4">,
-    PfmIssueCounter<"HWPort5", "uops_dispatched_port:port_5">,
-    PfmIssueCounter<"HWPort6", "uops_dispatched_port:port_6">,
-    PfmIssueCounter<"HWPort7", "uops_dispatched_port:port_7">
+    PfmIssueCounter<"HWPort0", "uops_executed_port:port_0">,
+    PfmIssueCounter<"HWPort1", "uops_executed_port:port_1">,
+    PfmIssueCounter<"HWPort2", "uops_executed_port:port_2">,
+    PfmIssueCounter<"HWPort3", "uops_executed_port:port_3">,
+    PfmIssueCounter<"HWPort4", "uops_executed_port:port_4">,
+    PfmIssueCounter<"HWPort5", "uops_executed_port:port_5">,
+    PfmIssueCounter<"HWPort6", "uops_executed_port:port_6">,
+    PfmIssueCounter<"HWPort7", "uops_executed_port:port_7">
   ];
 }
 def : PfmCountersBinding<"haswell", HaswellPfmCounters>;