Add a new PseudoSourceValue class, which will be used to help track

memory reference information in the backend. Most of this was written by
Florian Brander, cleanup and updating to TOT by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46556 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Value.h

@@ -188,6 +188,7 @@ public:
     ConstantPointerNullVal,   // This is an instance of ConstantPointerNull
     InlineAsmVal,             // This is an instance of InlineAsm
     InstructionVal,           // This is an instance of Instruction
+    PseudoSourceValueVal,     // This is an instance of PseudoSourceValue
     
     // Markers:
     ConstantFirstVal = FunctionVal,