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[oota-llvm.git] / lib / CodeGen / MachineFunction.cpp

diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index fc0e99fe4bbb84af48dcb5637153ff3ece585b60..5135308e980f8e92959359d7a6d390b5150f2a47 100644 (file)
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -385,12 +385,22 @@ MachineFunction& MachineFunction::get(const Function *F)
   return *mc;
 }
 
+/// addLiveIn - Add the specified physical register as a live-in value and
+/// create a corresponding virtual register for it.
+unsigned MachineFunction::addLiveIn(unsigned PReg,
+                                    const TargetRegisterClass *RC) {
+  assert(RC->contains(PReg) && "Not the correct regclass!");
+  unsigned VReg = getRegInfo().createVirtualRegister(RC);
+  getRegInfo().addLiveIn(PReg, VReg);
+  return VReg;
+}
+
 /// getOrCreateDebugLocID - Look up the DebugLocTuple index with the given
 /// source file, line, and column. If none currently exists, create a new
 /// DebugLocTuple, and insert it into the DebugIdMap.
-unsigned MachineFunction::getOrCreateDebugLocID(unsigned Src, unsigned Line,
-                                                unsigned Col) {
-  DebugLocTuple Tuple(Src, Line, Col);
+unsigned MachineFunction::getOrCreateDebugLocID(GlobalVariable *CompileUnit,
+                                                unsigned Line, unsigned Col) {
+  DebugLocTuple Tuple(CompileUnit, Line, Col);
   DenseMap<DebugLocTuple, unsigned>::iterator II
     = DebugLocInfo.DebugIdMap.find(Tuple);
   if (II != DebugLocInfo.DebugIdMap.end())