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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77918 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 9b0dd1f..2db69ec 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1201,7 +1201,7 @@
 
   Lo = DAG.getNode(ISD::ADD, dl, PtrVT, Hi, Lo);
 
-  if (!TM.getSubtarget<PPCSubtarget>().hasLazyResolverStub(GV))
+  if (!TM.getSubtarget<PPCSubtarget>().hasLazyResolverStub(GV, TM))
     return Lo;
 
   // If the global is weak or external, we have to go through the lazy
diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp
index 425d8e6..e0937e2 100644
--- a/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -13,7 +13,7 @@
 
 #include "PPCSubtarget.h"
 #include "PPC.h"
-#include "llvm/Module.h"
+#include "llvm/GlobalValue.h"
 #include "llvm/Target/TargetMachine.h"
 #include "PPCGenSubtarget.inc"
 #include <cstdlib>
@@ -57,10 +57,9 @@
 #endif
 
 
-PPCSubtarget::PPCSubtarget(const TargetMachine &tm, const Module &M,
-                           const std::string &FS, bool is64Bit)
-  : TM(tm)
-  , StackAlignment(16)
+PPCSubtarget::PPCSubtarget(const std::string &TT, const std::string &FS,
+                           bool is64Bit)
+  : StackAlignment(16)
   , DarwinDirective(PPC::DIR_NONE)
   , IsGigaProcessor(false)
   , Has64BitSupport(false)
@@ -95,7 +94,6 @@
   
   // Set the boolean corresponding to the current target triple, or the default
   // if one cannot be determined, to true.
-  const std::string &TT = M.getTargetTriple();
   if (TT.length() > 7) {
     // Determine which version of darwin this is.
     size_t DarwinPos = TT.find("-darwin");
@@ -138,7 +136,8 @@
 /// hasLazyResolverStub - Return true if accesses to the specified global have
 /// to go through a dyld lazy resolution stub.  This means that an extra load
 /// is required to get the address of the global.
-bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV) const {
+bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV,
+                                       const TargetMachine &TM) const {
   // We never hae stubs if HasLazyResolverStubs=false or if in static mode.
   if (!HasLazyResolverStubs || TM.getRelocationModel() == Reloc::Static)
     return false;
diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index f633cc6..45ff91c 100644
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -39,7 +39,6 @@
   };
 }
 
-class Module;
 class GlobalValue;
 class TargetMachine;
   
@@ -49,8 +48,6 @@
     OldMnemonic, NewMnemonic, Unset
   };
 protected:
-  const TargetMachine &TM;
-  
   /// stackAlignment - The minimum alignment known to hold of the stack frame on
   /// entry to the function and which must be maintained by every function.
   unsigned StackAlignment;
@@ -79,10 +76,9 @@
   unsigned char DarwinVers; // Is any darwin-ppc platform.
 public:
   /// This constructor initializes the data members to match that
-  /// of the specified module.
+  /// of the specified triple.
   ///
-  PPCSubtarget(const TargetMachine &TM, const Module &M,
-               const std::string &FS, bool is64Bit);
+  PPCSubtarget(const std::string &TT, const std::string &FS, bool is64Bit);
   
   /// ParseSubtargetFeatures - Parses features string setting specified 
   /// subtarget options.  Definition of function is auto generated by tblgen.
@@ -132,7 +128,8 @@
   /// hasLazyResolverStub - Return true if accesses to the specified global have
   /// to go through a dyld lazy resolution stub.  This means that an extra load
   /// is required to get the address of the global.
-  bool hasLazyResolverStub(const GlobalValue *GV) const;
+  bool hasLazyResolverStub(const GlobalValue *GV, 
+                           const TargetMachine &TM) const;
   
   // Specific obvious features.
   bool hasFSQRT() const { return HasFSQRT; }
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index bb228c6..da6ebc4 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -37,7 +37,7 @@
 PPCTargetMachine::PPCTargetMachine(const Target&T, const Module &M, 
                                    const std::string &FS, bool is64Bit)
   : LLVMTargetMachine(T),
-    Subtarget(*this, M, FS, is64Bit),
+    Subtarget(M.getTargetTriple(), FS, is64Bit),
     DataLayout(Subtarget.getTargetDataString()), InstrInfo(*this),
     FrameInfo(*this, is64Bit), JITInfo(*this, is64Bit), TLInfo(*this),
     InstrItins(Subtarget.getInstrItineraryData()), MachOWriterInfo(*this) {