commit ecb8c2ba6029f02b01b20b110cc1b3b3ea2e1f1c
author Andrew Trick <atrick@apple.com> Wed Feb 13 19:22:27 2013 +0000
committer Andrew Trick <atrick@apple.com> Wed Feb 13 19:22:27 2013 +0000
tree 74b4f150ccd0e2e3346190fda382c42ca1f54ced
parent af7c042af1f0f890be38e0d484ab1e7751565c7b

MIsched: HazardRecognizers are created for each DAG. Free them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175067 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/MachineScheduler.cpp

diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index 513d8a9..ddaf566 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -1054,6 +1054,9 @@
 #endif
 
     void reset() {
+      // A new HazardRec is created for each DAG and owned by SchedBoundary.
+      delete HazardRec;
+
       Available.clear();
       Pending.clear();
       CheckPending = false;
@@ -1079,7 +1082,8 @@
     /// PendingFlag set.
     SchedBoundary(unsigned ID, const Twine &Name):
       DAG(0), SchedModel(0), Rem(0), Available(ID, Name+".A"),
-      Pending(ID << ConvergingScheduler::LogMaxQID, Name+".P") {
+      Pending(ID << ConvergingScheduler::LogMaxQID, Name+".P"),
+      HazardRec(0) {
       reset();
     }
 
@@ -1223,6 +1227,7 @@
   DAG = dag;
   SchedModel = DAG->getSchedModel();
   TRI = DAG->TRI;
+
   Rem.init(DAG, SchedModel);
   Top.init(DAG, SchedModel, &Rem);
   Bot.init(DAG, SchedModel, &Rem);