Don't reach into the middle of TargetMachine and cache one of its ivars.

Not only does this break encapsulation, it's gross.

llvm-svn: 182876

llvm/include/llvm/Target/Mangler.h

@@ -17,12 +17,13 @@
 #include "llvm/ADT/DenseMap.h"
 
 namespace llvm {
-class Twine;
+
 class GlobalValue;
-template <typename T> class SmallVectorImpl;
 class MCContext;
 class MCSymbol;
-class DataLayout;
+template <typename T> class SmallVectorImpl;
+class TargetMachine;
+class Twine;
 
 class Mangler {
 public:
@@ -34,7 +35,7 @@ public:
 
 private:
   MCContext &Context;
-  const DataLayout &TD;
+  const TargetMachine *TM;
 
   /// AnonGlobalIDs - We need to give global values the same name every time
   /// they are mangled.  This keeps track of the number we give to anonymous
@@ -47,8 +48,8 @@ private:
   unsigned NextAnonGlobalID;
 
 public:
-  Mangler(MCContext &context, const DataLayout &td)
-    : Context(context), TD(td), NextAnonGlobalID(1) {}
+  Mangler(MCContext &Context, const TargetMachine *TM)
+    : Context(Context), TM(TM), NextAnonGlobalID(1) {}
 
   /// getSymbol - Return the MCSymbol for the specified global value.  This
   /// symbol is the main label that is the address of the global.

llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

@@ -163,7 +163,7 @@ bool AsmPrinter::doInitialization(Module &M) {
   const_cast<TargetLoweringObjectFile&>(getObjFileLowering())
     .Initialize(OutContext, TM);
 
-  Mang = new Mangler(OutContext, *TM.getDataLayout());
+  Mang = new Mangler(OutContext, &TM);
 
   // Allow the target to emit any magic that it wants at the start of the file.
   EmitStartOfAsmFile(M);

llvm/lib/Target/Mangler.cpp

@@ -19,6 +19,7 @@
 #include "llvm/IR/Function.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
+#include "llvm/Target/TargetMachine.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
@@ -226,7 +227,7 @@ void Mangler::getNameWithPrefix(SmallVectorImpl<char> &OutName,
           // "Pure" variadic functions do not receive @0 suffix.
           (!FT->isVarArg() || FT->getNumParams() == 0 ||
            (FT->getNumParams() == 1 && F->hasStructRetAttr())))
-        AddFastCallStdCallSuffix(OutName, F, TD);
+        AddFastCallStdCallSuffix(OutName, F, *TM->getDataLayout());
     }
   }
 }

llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp

@@ -912,7 +912,7 @@ bool NVPTXAsmPrinter::doInitialization(Module &M) {
   const_cast<TargetLoweringObjectFile &>(getObjFileLowering())
       .Initialize(OutContext, TM);
 
-  Mang = new Mangler(OutContext, *TM.getDataLayout());
+  Mang = new Mangler(OutContext, &TM);
 
   // Emit header before any dwarf directives are emitted below.
   emitHeader(M, OS1);

llvm/tools/lto/LTOCodeGenerator.cpp

@@ -310,7 +310,7 @@ void LTOCodeGenerator::applyScopeRestrictions() {
 
   // mark which symbols can not be internalized
   MCContext Context(*_target->getMCAsmInfo(), *_target->getRegisterInfo(),NULL);
-  Mangler mangler(Context, *_target->getDataLayout());
+  Mangler mangler(Context, _target);
   std::vector<const char*> mustPreserveList;
   SmallPtrSet<GlobalValue*, 8> asmUsed;
 

llvm/tools/lto/LTOModule.cpp

@@ -158,7 +158,7 @@ SSPBufferSize("stack-protector-buffer-size", cl::init(8),
 LTOModule::LTOModule(llvm::Module *m, llvm::TargetMachine *t)
   : _module(m), _target(t),
     _context(*_target->getMCAsmInfo(), *_target->getRegisterInfo(), NULL),
-    _mangler(_context, *_target->getDataLayout()) {}
+    _mangler(_context, t) {}
 
 /// isBitcodeFile - Returns 'true' if the file (or memory contents) is LLVM
 /// bitcode.