Normalize Subtarget constructors to take a target triple string instead of
Module*.

Also, dropped uses of TargetMachine where unnecessary. The only target which
still takes a TargetMachine& is Mips, I would appreciate it if someone would
normalize this to match other targets.

llvm-svn: 77918
diff --git a/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp b/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
index 18a8e16..a8b5e1f 100644
--- a/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
@@ -19,7 +19,7 @@
 
 using namespace llvm;
 
-SystemZSubtarget::SystemZSubtarget(const TargetMachine &TM, const Module &M,
+SystemZSubtarget::SystemZSubtarget(const std::string &TT, 
                                    const std::string &FS):
   HasZ10Insts(false) {
   std::string CPU = "z9";