Allow memory intrinsics to be tail calls

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

diff --git a/include/llvm/CodeGen/LiveVariables.h b/include/llvm/CodeGen/LiveVariables.h
index a4a5fcc31e121eabebefd95d1f98e65738227f24..55b97dc3e71d94306be66c173fb50e4f56a36c3a 100644 (file)
--- a/include/llvm/CodeGen/LiveVariables.h
+++ b/include/llvm/CodeGen/LiveVariables.h
@@ -134,14 +134,14 @@ private:   // Intermediate data structures
   // PhysRegInfo - Keep track of which instruction was the last def of a
   // physical register. This is a purely local property, because all physical
   // register references are presumed dead across basic blocks.
-  MachineInstr **PhysRegDef;
+  std::vector<MachineInstr *> PhysRegDef;
 
   // PhysRegInfo - Keep track of which instruction was the last use of a
   // physical register. This is a purely local property, because all physical
   // register references are presumed dead across basic blocks.
-  MachineInstr **PhysRegUse;
+  std::vector<MachineInstr *> PhysRegUse;
 
-  SmallVector<unsigned, 4> *PHIVarInfo;
+  std::vector<SmallVector<unsigned, 4>> PHIVarInfo;
 
   // DistanceMap - Keep track the distance of a MI from the start of the
   // current basic block.
@@ -175,6 +175,10 @@ private:   // Intermediate data structures
   /// register which is used in a PHI node. We map that to the BB the vreg
   /// is coming from.
   void analyzePHINodes(const MachineFunction& Fn);
+
+  void runOnInstr(MachineInstr *MI, SmallVectorImpl<unsigned> &Defs);
+
+  void runOnBlock(MachineBasicBlock *MBB, unsigned NumRegs);
 public:
 
   bool runOnMachineFunction(MachineFunction &MF) override;