[llvm-exegesis] Fix pfm counter names for BDW.

[courbet]

Summary

They are not consistent with other microarchitectures.

lib/Target/X86/X86PfmCounters.td

 def HWPort4Counter : PfmIssueCounter<HWPort4, ["uops_dispatched_port:port_4"]>;
 def HWPort5Counter : PfmIssueCounter<HWPort5, ["uops_dispatched_port:port_5"]>;
 def HWPort6Counter : PfmIssueCounter<HWPort6, ["uops_dispatched_port:port_6"]>;
 def HWPort7Counter : PfmIssueCounter<HWPort7, ["uops_dispatched_port:port_7"]>;
 }
 
 let SchedModel = BroadwellModel in {
 def BWCycleCounter : PfmCycleCounter<"unhalted_core_cycles">;
-def BWPort0Counter : PfmIssueCounter<BWPort0, ["uops_dispatched_port:port_0"]>;
-def BWPort1Counter : PfmIssueCounter<BWPort1, ["uops_dispatched_port:port_1"]>;
-def BWPort2Counter : PfmIssueCounter<BWPort2, ["uops_dispatched_port:port_2"]>;
-def BWPort3Counter : PfmIssueCounter<BWPort3, ["uops_dispatched_port:port_3"]>;
-def BWPort4Counter : PfmIssueCounter<BWPort4, ["uops_dispatched_port:port_4"]>;
-def BWPort5Counter : PfmIssueCounter<BWPort5, ["uops_dispatched_port:port_5"]>;
-def BWPort6Counter : PfmIssueCounter<BWPort6, ["uops_dispatched_port:port_6"]>;
-def BWPort7Counter : PfmIssueCounter<BWPort7, ["uops_dispatched_port:port_7"]>;
+def BWPort0Counter : PfmIssueCounter<BWPort0, ["uops_executed_port:port_0"]>;
+def BWPort1Counter : PfmIssueCounter<BWPort1, ["uops_executed_port:port_1"]>;
+def BWPort2Counter : PfmIssueCounter<BWPort2, ["uops_executed_port:port_2"]>;
+def BWPort3Counter : PfmIssueCounter<BWPort3, ["uops_executed_port:port_3"]>;
+def BWPort4Counter : PfmIssueCounter<BWPort4, ["uops_executed_port:port_4"]>;
+def BWPort5Counter : PfmIssueCounter<BWPort5, ["uops_executed_port:port_5"]>;
+def BWPort6Counter : PfmIssueCounter<BWPort6, ["uops_executed_port:port_6"]>;
+def BWPort7Counter : PfmIssueCounter<BWPort7, ["uops_executed_port:port_7"]>;
 }
 
 let SchedModel = SkylakeClientModel in {
 def SKLCycleCounter : PfmCycleCounter<"unhalted_core_cycles">;
 def SKLPort0Counter : PfmIssueCounter<SKLPort0, ["uops_dispatched_port:port_0"]>;
 def SKLPort1Counter : PfmIssueCounter<SKLPort1, ["uops_dispatched_port:port_1"]>;
 def SKLPort2Counter : PfmIssueCounter<SKLPort2, ["uops_dispatched_port:port_2"]>;
 def SKLPort3Counter : PfmIssueCounter<SKLPort3, ["uops_dispatched_port:port_3"]>;