Remove unused struct/enum

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

diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index 82776f54bcca5fd6b7f32751e86208587deb2693..251ef50fe06ca2a2c5b5a330f6f43b37ce5ac6d9 100644 (file)
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/include/llvm/CodeGen/LiveInterval.h
@@ -144,17 +144,6 @@ namespace llvm {
     Ranges ranges;       // the ranges in which this register is live
     VNInfoList valnos;   // value#'s
 
-    struct InstrSlots {
-      enum {
-        LOAD  = 0,
-        USE   = 1,
-        DEF   = 2,
-        STORE = 3,
-        NUM   = 4
-      };
-
-    };
-
     LiveInterval(unsigned Reg, float Weight)
       : reg(Reg), weight(Weight) {}
 
@@ -389,7 +378,7 @@ namespace llvm {
     void join(LiveInterval &Other,
               const int *ValNoAssignments,
               const int *RHSValNoAssignments,
-              SmallVector<VNInfo*, 16> &NewVNInfo,
+              SmallVectorImpl<VNInfo *> &NewVNInfo,
               MachineRegisterInfo *MRI);
 
     /// isInOneLiveRange - Return true if the range specified is entirely in the
@@ -399,6 +388,15 @@ namespace llvm {
       return r != end() && r->containsRange(Start, End);
     }
 
+    /// True iff this live range is a single segment that lies between the
+    /// specified boundaries, exclusively. Vregs live across a backedge are not
+    /// considered local. The boundaries are expected to lie within an extended
+    /// basic block, so vregs that are not live out should contain no holes.
+    bool isLocal(SlotIndex Start, SlotIndex End) const {
+      return beginIndex() > Start.getBaseIndex() &&
+        endIndex() < End.getBoundaryIndex();
+    }
+
     /// removeRange - Remove the specified range from this interval.  Note that
     /// the range must be a single LiveRange in its entirety.
     void removeRange(SlotIndex Start, SlotIndex End,
@@ -461,9 +459,6 @@ namespace llvm {
     void extendIntervalEndTo(Ranges::iterator I, SlotIndex NewEnd);
     Ranges::iterator extendIntervalStartTo(Ranges::iterator I, SlotIndex NewStr);
     void markValNoForDeletion(VNInfo *V);
-    void mergeIntervalRanges(const LiveInterval &RHS,
-                             VNInfo *LHSValNo = 0,
-                             const VNInfo *RHSValNo = 0);
 
     LiveInterval& operator=(const LiveInterval& rhs) LLVM_DELETED_FUNCTION;