Change the scheduler accessor methods to accept an explicit TargetMachine

argument instead of taking the SelectionDAG's TargetMachine. This is
needed for some upcoming scheduler changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59055 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 16 insertions, 10 deletions

diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
index 83f7b73..d205f3d 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
@@ -652,6 +652,7 @@ void ScheduleDAGFast::ListScheduleBottomUp() {
 
 llvm::ScheduleDAG* llvm::createFastDAGScheduler(SelectionDAGISel *IS,
                                                 SelectionDAG *DAG,
+                                                const TargetMachine *TM,
                                                 MachineBasicBlock *BB, bool) {
-  return new ScheduleDAGFast(*DAG, BB, DAG->getTarget());
+  return new ScheduleDAGFast(*DAG, BB, *TM);
 }
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
index 067407b..178c3f6 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
@@ -541,8 +541,9 @@ void LatencyPriorityQueue::AdjustPriorityOfUnscheduledPreds(SUnit *SU) {
 /// recognizer and deletes it when done.
 ScheduleDAG* llvm::createTDListDAGScheduler(SelectionDAGISel *IS,
                                             SelectionDAG *DAG,
+                                            const TargetMachine *TM,
                                             MachineBasicBlock *BB, bool Fast) {
-  return new ScheduleDAGList(*DAG, BB, DAG->getTarget(),
+  return new ScheduleDAGList(*DAG, BB, *TM,
                              new LatencyPriorityQueue(),
                              IS->CreateTargetHazardRecognizer());
 }
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index d1617bd..5ae3158 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -1881,27 +1881,29 @@ void TDRegReductionPriorityQueue::CalculateSethiUllmanNumbers() {
 
 llvm::ScheduleDAG* llvm::createBURRListDAGScheduler(SelectionDAGISel *IS,
                                                     SelectionDAG *DAG,
+                                                    const TargetMachine *TM,
                                                     MachineBasicBlock *BB,
                                                     bool Fast) {
   if (Fast)
-    return new ScheduleDAGRRList(*DAG, BB, DAG->getTarget(), true, true,
+    return new ScheduleDAGRRList(*DAG, BB, *TM, true, true,
                                  new BURegReductionFastPriorityQueue());
 
-  const TargetInstrInfo *TII = DAG->getTarget().getInstrInfo();
-  const TargetRegisterInfo *TRI = DAG->getTarget().getRegisterInfo();
+  const TargetInstrInfo *TII = TM->getInstrInfo();
+  const TargetRegisterInfo *TRI = TM->getRegisterInfo();
   
   BURegReductionPriorityQueue *PQ = new BURegReductionPriorityQueue(TII, TRI);
 
   ScheduleDAGRRList *SD =
-    new ScheduleDAGRRList(*DAG, BB, DAG->getTarget(),true,false, PQ);
+    new ScheduleDAGRRList(*DAG, BB, *TM, true, false, PQ);
   PQ->setScheduleDAG(SD);
   return SD;  
 }
 
 llvm::ScheduleDAG* llvm::createTDRRListDAGScheduler(SelectionDAGISel *IS,
                                                     SelectionDAG *DAG,
+                                                    const TargetMachine *TM,
                                                     MachineBasicBlock *BB,
                                                     bool Fast) {
-  return new ScheduleDAGRRList(*DAG, BB, DAG->getTarget(), false, Fast,
+  return new ScheduleDAGRRList(*DAG, BB, *TM, false, Fast,
                                new TDRegReductionPriorityQueue());
 }
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 7702b3d..3114d1b 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -133,16 +133,17 @@ namespace llvm {
   /// for the target.
   ScheduleDAG* createDefaultScheduler(SelectionDAGISel *IS,
                                       SelectionDAG *DAG,
+                                      const TargetMachine *TM,
                                       MachineBasicBlock *BB,
                                       bool Fast) {
     TargetLowering &TLI = IS->getTargetLowering();
     
     if (TLI.getSchedulingPreference() == TargetLowering::SchedulingForLatency) {
-      return createTDListDAGScheduler(IS, DAG, BB, Fast);
+      return createTDListDAGScheduler(IS, DAG, TM, BB, Fast);
     } else {
       assert(TLI.getSchedulingPreference() ==
            TargetLowering::SchedulingForRegPressure && "Unknown sched type!");
-      return createBURRListDAGScheduler(IS, DAG, BB, Fast);
+      return createBURRListDAGScheduler(IS, DAG, TM, BB, Fast);
     }
   }
 }
@@ -1053,7 +1054,8 @@ ScheduleDAG *SelectionDAGISel::Schedule() {
     RegisterScheduler::setDefault(Ctor);
   }
   
-  ScheduleDAG *Scheduler = Ctor(this, CurDAG, BB, Fast);
+  TargetMachine &TM = getTargetLowering().getTargetMachine();
+  ScheduleDAG *Scheduler = Ctor(this, CurDAG, &TM, BB, Fast);
   Scheduler->Run();
 
   return Scheduler;