Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9269 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Instrumentation/TraceValues.cpp

@@ -180,7 +180,7 @@ static inline bool TraceThisOpCode(unsigned opCode) {
   // 
   return (opCode  < Instruction::OtherOpsBegin &&
           opCode != Instruction::Alloca &&
-          opCode != Instruction::PHINode &&
+          opCode != Instruction::PHI &&
           opCode != Instruction::Cast);
 }