From cdb260de83e209cd97632343e03343da3629d59f Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Wed, 19 Nov 2008 23:39:02 +0000
Subject: [PATCH] Simplify this code a little. In the fast scheduler,
 CreateNewSUnit and CreateClone don't add any extra value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59679 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp | 22 +++++---------------
 1 file changed, 5 insertions(+), 17 deletions(-)

diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
index 8f3198e365b..023ebf3b559 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
@@ -97,18 +97,6 @@ private:
                                   SmallVector<SUnit*, 2>&);
   bool DelayForLiveRegsBottomUp(SUnit*, SmallVector<unsigned, 4>&);
   void ListScheduleBottomUp();
-
-  /// CreateNewSUnit - Creates a new SUnit and returns a pointer to it.
-  SUnit *CreateNewSUnit(SDNode *N) {
-    SUnit *NewNode = NewSUnit(N);
-    return NewNode;
-  }
-
-  /// CreateClone - Creates a new SUnit from an existing one.
-  SUnit *CreateClone(SUnit *N) {
-    SUnit *NewNode = Clone(N);
-    return NewNode;
-  }
 };
 }  // end anonymous namespace
 
@@ -256,7 +244,7 @@ SUnit *ScheduleDAGFast::CopyAndMoveSuccessors(SUnit *SU) {
     DAG->ReplaceAllUsesOfValueWith(SDValue(SU->getNode(), OldNumVals-1),
                                    SDValue(LoadNode, 1));
 
-    SUnit *NewSU = CreateNewSUnit(N);
+    SUnit *NewSU = NewSUnit(N);
     assert(N->getNodeId() == -1 && "Node already inserted!");
     N->setNodeId(NewSU->NodeNum);
       
@@ -282,7 +270,7 @@ SUnit *ScheduleDAGFast::CopyAndMoveSuccessors(SUnit *SU) {
       LoadSU = &SUnits[LoadNode->getNodeId()];
       isNewLoad = false;
     } else {
-      LoadSU = CreateNewSUnit(LoadNode);
+      LoadSU = NewSUnit(LoadNode);
       LoadNode->setNodeId(LoadSU->NodeNum);
 
       LoadSU->Depth = SU->Depth;
@@ -360,7 +348,7 @@ SUnit *ScheduleDAGFast::CopyAndMoveSuccessors(SUnit *SU) {
   }
 
   DOUT << "Duplicating SU # " << SU->NodeNum << "\n";
-  NewSU = CreateClone(SU);
+  NewSU = Clone(SU);
 
   // New SUnit has the exact same predecessors.
   for (SUnit::pred_iterator I = SU->Preds.begin(), E = SU->Preds.end();
@@ -399,11 +387,11 @@ void ScheduleDAGFast::InsertCCCopiesAndMoveSuccs(SUnit *SU, unsigned Reg,
                                               const TargetRegisterClass *DestRC,
                                               const TargetRegisterClass *SrcRC,
                                                SmallVector<SUnit*, 2> &Copies) {
-  SUnit *CopyFromSU = CreateNewSUnit(NULL);
+  SUnit *CopyFromSU = NewSUnit(static_cast<SDNode *>(NULL));
   CopyFromSU->CopySrcRC = SrcRC;
   CopyFromSU->CopyDstRC = DestRC;
 
-  SUnit *CopyToSU = CreateNewSUnit(NULL);
+  SUnit *CopyToSU = NewSUnit(static_cast<SDNode *>(NULL));
   CopyToSU->CopySrcRC = DestRC;
   CopyToSU->CopyDstRC = SrcRC;
 
-- 
2.34.1