[Packetizer] Add AliasAnalysis as a parameter to the packetizer

[oota-llvm.git] / include / llvm / CodeGen / MachineScheduler.h

diff --git a/include/llvm/CodeGen/MachineScheduler.h b/include/llvm/CodeGen/MachineScheduler.h
index 3a510084f65a7be82dec0f2a8289153f62c05618..358fd5a3732a6377db705c6b5a66f09a043abdcf 100644 (file)
--- a/include/llvm/CodeGen/MachineScheduler.h
+++ b/include/llvm/CodeGen/MachineScheduler.h
@@ -228,6 +228,7 @@ public:
 class ScheduleDAGMI : public ScheduleDAGInstrs {
 protected:
   AliasAnalysis *AA;
+  LiveIntervals *LIS;
   std::unique_ptr<MachineSchedStrategy> SchedImpl;
 
   /// Topo - A topological ordering for SUnits which permits fast IsReachable
@@ -255,9 +256,10 @@ protected:
 public:
   ScheduleDAGMI(MachineSchedContext *C, std::unique_ptr<MachineSchedStrategy> S,
                 bool RemoveKillFlags)
-      : ScheduleDAGInstrs(*C->MF, C->MLI, C->LIS, RemoveKillFlags),
-        AA(C->AA), SchedImpl(std::move(S)), Topo(SUnits, &ExitSU), CurrentTop(),
-        CurrentBottom(), NextClusterPred(nullptr), NextClusterSucc(nullptr) {
+      : ScheduleDAGInstrs(*C->MF, C->MLI, RemoveKillFlags), AA(C->AA),
+        LIS(C->LIS), SchedImpl(std::move(S)), Topo(SUnits, &ExitSU),
+        CurrentTop(), CurrentBottom(), NextClusterPred(nullptr),
+        NextClusterSucc(nullptr) {
 #ifndef NDEBUG
     NumInstrsScheduled = 0;
 #endif
@@ -266,6 +268,9 @@ public:
   // Provide a vtable anchor
   ~ScheduleDAGMI() override;
 
+  // Returns LiveIntervals instance for use in DAG mutators and such.
+  LiveIntervals *getLIS() const { return LIS; }
+
   /// Return true if this DAG supports VReg liveness and RegPressure.
   virtual bool hasVRegLiveness() const { return false; }