Consistently use AnalysisID types in TargetPassConfig.

This makes it possible to just use a zero value to represent "no pass", so
the phony NoPassID global variable is no longer needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159568 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Hexagon/HexagonTargetMachine.cpp b/lib/Target/Hexagon/HexagonTargetMachine.cpp
index 8572654..a7b291f 100644
--- a/lib/Target/Hexagon/HexagonTargetMachine.cpp
+++ b/lib/Target/Hexagon/HexagonTargetMachine.cpp
@@ -123,7 +123,7 @@
 
 
 bool HexagonPassConfig::addPreSched2() {
-  addPass(IfConverterID);
+  addPass(&IfConverterID);
   return true;
 }