Inline check that's used only once.

[oota-llvm.git] / lib / CodeGen / LiveRangeEdit.h

diff --git a/lib/CodeGen/LiveRangeEdit.h b/lib/CodeGen/LiveRangeEdit.h
index 2bd34611c24e36fbb30a5b1d15a7e25c8c0958fe..04eced6d79b7d59bc659285422a08327e75dd42b 100644 (file)
--- a/lib/CodeGen/LiveRangeEdit.h
+++ b/lib/CodeGen/LiveRangeEdit.h
@@ -110,9 +110,14 @@ public:
     return uselessRegs_;
   }
 
-  /// create - Create a new register with the same class and stack slot as
+  /// createFrom - Create a new virtual register based on OldReg.
+  LiveInterval &createFrom(unsigned OldReg, LiveIntervals&, VirtRegMap&);
+
+  /// create - Create a new register with the same class and original slot as
   /// parent.
-  LiveInterval &create(MachineRegisterInfo&, LiveIntervals&, VirtRegMap&);
+  LiveInterval &create(LiveIntervals &LIS, VirtRegMap &VRM) {
+    return createFrom(getReg(), LIS, VRM);
+  }
 
   /// anyRematerializable - Return true if any parent values may be
   /// rematerializable.
@@ -120,6 +125,11 @@ public:
   bool anyRematerializable(LiveIntervals&, const TargetInstrInfo&,
                            AliasAnalysis*);
 
+  /// checkRematerializable - Manually add VNI to the list of rematerializable
+  /// values if DefMI may be rematerializable.
+  void checkRematerializable(VNInfo *VNI, const MachineInstr *DefMI,
+                             const TargetInstrInfo&, AliasAnalysis*);
+
   /// Remat - Information needed to rematerialize at a specific location.
   struct Remat {
     VNInfo *ParentVNI;      // parent_'s value at the remat location.
@@ -166,7 +176,7 @@ public:
   /// (allDefsAreDead returns true). This may cause live intervals to be trimmed
   /// and further dead efs to be eliminated.
   void eliminateDeadDefs(SmallVectorImpl<MachineInstr*> &Dead,
-                         LiveIntervals&,
+                         LiveIntervals&, VirtRegMap&,
                          const TargetInstrInfo&);
 
 };