Refactor various TargetAsmInfo subclasses' TargetMachine members away
adding a TargetMachine member to the base TargetAsmInfo class instead.

llvm-svn: 58624
diff --git a/llvm/lib/Target/TargetAsmInfo.cpp b/llvm/lib/Target/TargetAsmInfo.cpp
index edbacb3..a124922 100644
--- a/llvm/lib/Target/TargetAsmInfo.cpp
+++ b/llvm/lib/Target/TargetAsmInfo.cpp
@@ -119,11 +119,8 @@
   DataSection = getUnnamedSection("\t.data", SectionFlags::Writeable);
 }
 
-TargetAsmInfo::TargetAsmInfo() {
-  fillDefaultValues();
-}
-
-TargetAsmInfo::TargetAsmInfo(const TargetMachine &TM) {
+TargetAsmInfo::TargetAsmInfo(const TargetMachine &tm) 
+  : TM(tm) {
   fillDefaultValues();
 }