Add DebugLoc field and simple accessors.

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

diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h
index 4d0db51a59f78060c559a1355eaa39ff34604165..b87214f5e2c5b61520b0ba985a0bcc234f1f89c3 100644 (file)
--- a/include/llvm/CodeGen/LiveIntervalAnalysis.h
+++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h
@@ -257,10 +257,21 @@ namespace llvm {
     bool conflictsWithPhysRegDef(const LiveInterval &li, VirtRegMap &vrm,
                                  unsigned reg);
 
+    /// conflictsWithPhysRegRef - Similar to conflictsWithPhysRegRef except
+    /// it can check use as well.
+    bool conflictsWithPhysRegRef(LiveInterval &li, unsigned Reg,
+                                 bool CheckUse,
+                                 SmallPtrSet<MachineInstr*,32> &JoinedCopies);
+
     /// findLiveInMBBs - Given a live range, if the value of the range
     /// is live in any MBB returns true as well as the list of basic blocks
     /// in which the value is live.
-    bool findLiveInMBBs(const LiveRange &LR,
+    bool findLiveInMBBs(unsigned Start, unsigned End,
+                        SmallVectorImpl<MachineBasicBlock*> &MBBs) const;
+
+    /// findReachableMBBs - Return a list MBB that can be reached via any
+    /// branch or fallthroughs. Return true if the list is not empty.
+    bool findReachableMBBs(unsigned Start, unsigned End,
                         SmallVectorImpl<MachineBasicBlock*> &MBBs) const;
 
     // Interval creation
@@ -380,6 +391,10 @@ namespace llvm {
     /// computeNumbering - Compute the index numbering.
     void computeNumbering();
 
+    /// intervalIsInOneMBB - Returns true if the specified interval is entirely
+    /// within a single basic block.
+    bool intervalIsInOneMBB(const LiveInterval &li) const;
+
   private:      
     /// computeIntervals - Compute live intervals.
     void computeIntervals();
@@ -451,10 +466,6 @@ namespace llvm {
     bool anyKillInMBBAfterIdx(const LiveInterval &li, const VNInfo *VNI,
                               MachineBasicBlock *MBB, unsigned Idx) const;
 
-    /// intervalIsInOneMBB - Returns true if the specified interval is entirely
-    /// within a single basic block.
-    bool intervalIsInOneMBB(const LiveInterval &li) const;
-
     /// hasAllocatableSuperReg - Return true if the specified physical register
     /// has any super register that's allocatable.
     bool hasAllocatableSuperReg(unsigned Reg) const;