From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 26 Sep 2007 21:38:03 +0000 (+0000)
Subject: Oops. Forgot this.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8ed3ffee53105275ca03f06ba0195bc6008477fa;p=oota-llvm.git

Oops. Forgot this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42377 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h
index ad44b246261..9bf08345ae0 100644
--- a/include/llvm/CodeGen/ScheduleDAG.h
+++ b/include/llvm/CodeGen/ScheduleDAG.h
@@ -33,6 +33,7 @@ namespace llvm {
   class TargetInstrInfo;
   class TargetInstrDescriptor;
   class TargetMachine;
+  class TargetRegisterClass;
 
   /// HazardRecognizer - This determines whether or not an instruction can be
   /// issued this cycle, and whether or not a noop needs to be inserted to handle
@@ -124,6 +125,8 @@ namespace llvm {
     unsigned Cycle;                     // Once scheduled, the cycle of the op.
     unsigned Depth;                     // Node depth;
     unsigned Height;                    // Node height;
+    const TargetRegisterClass *CopyDstRC; // Is a special copy node if not null.
+    const TargetRegisterClass *CopySrcRC;
     
     SUnit(SDNode *node, unsigned nodenum)
       : Node(node), InstanceNo(0), NodeNum(nodenum), Latency(0),
@@ -131,7 +134,8 @@ namespace llvm {
         NumChainPredsLeft(0), NumChainSuccsLeft(0),
         isTwoAddress(false), isCommutable(false), hasImplicitDefs(false),
         isPending(false), isAvailable(false), isScheduled(false),
-        CycleBound(0), Cycle(0), Depth(0), Height(0) {}
+        CycleBound(0), Cycle(0), Depth(0), Height(0),
+        CopyDstRC(NULL), CopySrcRC(NULL) {}
 
     /// addPred - This adds the specified node as a pred of the current node if
     /// not already.  This returns true if this is a new pred.
@@ -332,6 +336,8 @@ namespace llvm {
     ///
     void EmitNoop();
 
+    void EmitCrossRCCopy(SUnit *SU, DenseMap<SUnit*, unsigned> &VRBaseMap);
+
     /// EmitCopyFromReg - Generate machine code for an CopyFromReg node or an
     /// implicit physical register output.
     void EmitCopyFromReg(SDNode *Node, unsigned ResNo, unsigned InstNo,