Revert "Reapply 91184 with fixes and an addition to the testcase to cover the

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

diff --git a/lib/CodeGen/PHIElimination.h b/lib/CodeGen/PHIElimination.h
index 94716eef6c51ae943f66d9f06cd6278e42d9432f..b0b71ce2bc5ed7a4620a06da179bbd42902f0712 100644 (file)
--- a/lib/CodeGen/PHIElimination.h
+++ b/lib/CodeGen/PHIElimination.h
@@ -90,19 +90,8 @@ namespace llvm {
     void analyzePHINodes(const MachineFunction& Fn);
 
     /// Split critical edges where necessary for good coalescer performance.
-    bool SplitPHIEdges(MachineFunction &MF, MachineBasicBlock &MBB);
-
-    /// isLiveOut - Determine if Reg is live out from MBB, when not
-    /// considering PHI nodes. This means that Reg is either killed by
-    /// a successor block or passed through one.
-    bool isLiveOut(unsigned Reg, const MachineBasicBlock &MBB,
-                   LiveVariables &LV);
-
-    /// isLiveIn - Determine if Reg is live in to MBB, not considering PHI
-    /// source registers. This means that Reg is either killed by MBB or passes
-    /// through it.
-    bool isLiveIn(unsigned Reg, const MachineBasicBlock &MBB,
-                  LiveVariables &LV);
+    bool SplitPHIEdges(MachineFunction &MF, MachineBasicBlock &MBB,
+                       LiveVariables &LV);
 
     /// SplitCriticalEdge - Split a critical edge from A to B by
     /// inserting a new MBB. Update branches in A and PHI instructions