Today the front-ends (llvm-gcc and clang) generate multiple llvm.dbg.compile_units...

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

diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h
index 1244368b60162b3445168ce12db6f68222ddadea..6b080478cf86ced11a9718a1a8acf7f509db3c78 100644 (file)
--- a/include/llvm/CodeGen/LiveIntervalAnalysis.h
+++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h
@@ -260,7 +260,12 @@ namespace llvm {
     /// 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
@@ -363,6 +368,11 @@ namespace llvm {
                             SmallVectorImpl<LiveInterval*> &SpillIs,
                             bool &isLoad);
 
+    /// isReMaterializable - Returns true if the definition MI of the specified
+    /// val# of the specified interval is re-materializable.
+    bool isReMaterializable(const LiveInterval &li, const VNInfo *ValNo,
+                            MachineInstr *MI);
+
     /// getRepresentativeReg - Find the largest super register of the specified
     /// physical register.
     unsigned getRepresentativeReg(unsigned Reg) const;