Add a helper getSymbol to AsmPrinter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193627 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/ARMException.cpp b/lib/CodeGen/AsmPrinter/ARMException.cpp
index f7d6f3b..5d82dd9 100644
--- a/lib/CodeGen/AsmPrinter/ARMException.cpp
+++ b/lib/CodeGen/AsmPrinter/ARMException.cpp
@@ -82,7 +82,7 @@
         // Emit references to personality.
         if (const Function * Personality =
             MMI->getPersonalities()[MMI->getPersonalityIndex()]) {
-          MCSymbol *PerSym = Asm->Mang->getSymbol(Personality);
+          MCSymbol *PerSym = Asm->getSymbol(Personality);
           Asm->OutStreamer.EmitSymbolAttribute(PerSym, MCSA_Global);
           ATS.emitPersonality(PerSym);
         }
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index e2bd61f..61f67e9 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -263,6 +263,9 @@
   llvm_unreachable("Unknown linkage type!");
 }
 
+MCSymbol *AsmPrinter::getSymbol(const GlobalValue *GV) const {
+  return Mang->getSymbol(GV);
+}
 
 /// EmitGlobalVariable - Emit the specified global variable to the .s file.
 void AsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
@@ -278,7 +281,7 @@
     }
   }
 
-  MCSymbol *GVSym = Mang->getSymbol(GV);
+  MCSymbol *GVSym = getSymbol(GV);
   EmitVisibility(GVSym, GV->getVisibility(), !GV->isDeclaration());
 
   if (!GV->hasInitializer())   // External globals require no extra code.
@@ -879,7 +882,7 @@
     if (V == GlobalValue::DefaultVisibility)
       continue;
 
-    MCSymbol *Name = Mang->getSymbol(&F);
+    MCSymbol *Name = getSymbol(&F);
     EmitVisibility(Name, V, false);
   }
 
@@ -919,12 +922,12 @@
     for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
          I != E; ++I) {
       if (!I->hasExternalWeakLinkage()) continue;
-      OutStreamer.EmitSymbolAttribute(Mang->getSymbol(I), MCSA_WeakReference);
+      OutStreamer.EmitSymbolAttribute(getSymbol(I), MCSA_WeakReference);
     }
 
     for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) {
       if (!I->hasExternalWeakLinkage()) continue;
-      OutStreamer.EmitSymbolAttribute(Mang->getSymbol(I), MCSA_WeakReference);
+      OutStreamer.EmitSymbolAttribute(getSymbol(I), MCSA_WeakReference);
     }
   }
 
@@ -932,10 +935,10 @@
     OutStreamer.AddBlankLine();
     for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
          I != E; ++I) {
-      MCSymbol *Name = Mang->getSymbol(I);
+      MCSymbol *Name = getSymbol(I);
 
       const GlobalValue *GV = I->getAliasedGlobal();
-      MCSymbol *Target = Mang->getSymbol(GV);
+      MCSymbol *Target = getSymbol(GV);
 
       if (I->hasExternalLinkage() || !MAI->getWeakRefDirective())
         OutStreamer.EmitSymbolAttribute(Name, MCSA_Global);
@@ -984,7 +987,7 @@
 void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
   this->MF = &MF;
   // Get the function symbol.
-  CurrentFnSym = Mang->getSymbol(MF.getFunction());
+  CurrentFnSym = getSymbol(MF.getFunction());
   CurrentFnSymForSize = CurrentFnSym;
 
   if (isVerbose())
@@ -1291,7 +1294,7 @@
     const GlobalValue *GV =
       dyn_cast<GlobalValue>(InitList->getOperand(i)->stripPointerCasts());
     if (GV && getObjFileLowering().shouldEmitUsedDirectiveFor(GV, Mang))
-      OutStreamer.EmitSymbolAttribute(Mang->getSymbol(GV), MCSA_NoDeadStrip);
+      OutStreamer.EmitSymbolAttribute(getSymbol(GV), MCSA_NoDeadStrip);
   }
 }
 
@@ -1486,7 +1489,7 @@
     return MCConstantExpr::Create(CI->getZExtValue(), Ctx);
 
   if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV))
-    return MCSymbolRefExpr::Create(AP.Mang->getSymbol(GV), Ctx);
+    return MCSymbolRefExpr::Create(AP.getSymbol(GV), Ctx);
 
   if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV))
     return MCSymbolRefExpr::Create(AP.GetBlockAddressSymbol(BA), Ctx);
diff --git a/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp b/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
index fec5ced..8918f3d 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
@@ -68,7 +68,7 @@
   for (size_t i = 0, e = Personalities.size(); i != e; ++i) {
     if (!Personalities[i])
       continue;
-    MCSymbol *Sym = Asm->Mang->getSymbol(Personalities[i]);
+    MCSymbol *Sym = Asm->getSymbol(Personalities[i]);
     TLOF.emitPersonalityValue(Asm->OutStreamer, Asm->TM, Sym);
     AtLeastOne = true;
   }
diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index 6c36cd2..8f4b196 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -1308,7 +1308,7 @@
       // For declaration non-type template parameters (such as global values and
       // functions)
       DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
-      addOpAddress(Block, Asm->Mang->getSymbol(GV));
+      addOpAddress(Block, Asm->getSymbol(GV));
       // Emit DW_OP_stack_value to use the address as the immediate value of the
       // parameter, rather than a pointer to it.
       addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_stack_value);
@@ -1541,7 +1541,7 @@
   if (isGlobalVariable) {
     addToAccelTable = true;
     DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
-    const MCSymbol *Sym = Asm->Mang->getSymbol(GV.getGlobal());
+    const MCSymbol *Sym = Asm->getSymbol(GV.getGlobal());
     if (GV.getGlobal()->isThreadLocal()) {
       // FIXME: Make this work with -gsplit-dwarf.
       unsigned PointerSize = Asm->getDataLayout().getPointerSize();
@@ -1601,7 +1601,7 @@
     // GV is a merged global.
     DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
     Value *Ptr = CE->getOperand(0);
-    addOpAddress(Block, Asm->Mang->getSymbol(cast<GlobalValue>(Ptr)));
+    addOpAddress(Block, Asm->getSymbol(cast<GlobalValue>(Ptr)));
     addUInt(Block, dwarf::DW_FORM_data1, dwarf::DW_OP_constu);
     SmallVector<Value *, 3> Idx(CE->op_begin() + 1, CE->op_end());
     addUInt(Block, dwarf::DW_FORM_udata,