diff --git a/llvm/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h b/llvm/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
--- a/llvm/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
+++ b/llvm/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
@@ -244,7 +244,7 @@
 
   static XCOFF::StorageClass getStorageClassForGlobal(const GlobalObject *GO);
 
-  MCSection *getSectionForFunctionDescriptor(const MCSymbol *) const override;
+  MCSection *getSectionForFunctionDescriptor(const Function *F) const override;
   MCSection *getSectionForTOCEntry(const MCSymbol *Sym) const override;
 
   /// For external functions, this will always return a function descriptor
diff --git a/llvm/include/llvm/Target/TargetLoweringObjectFile.h b/llvm/include/llvm/Target/TargetLoweringObjectFile.h
--- a/llvm/include/llvm/Target/TargetLoweringObjectFile.h
+++ b/llvm/include/llvm/Target/TargetLoweringObjectFile.h
@@ -214,7 +214,7 @@
 
   /// On targets that use separate function descriptor symbols, return a section
   /// for the descriptor given its symbol. Use only with defined functions.
-  virtual MCSection *getSectionForFunctionDescriptor(const MCSymbol *S) const {
+  virtual MCSection *getSectionForFunctionDescriptor(const Function *F) const {
     return nullptr;
   }
 
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1718,8 +1718,8 @@
                                " initalized first.");
 
     // Get the function entry point symbol.
-    CurrentFnSym =
-        OutContext.getOrCreateSymbol("." + CurrentFnDescSym->getName());
+    CurrentFnSym = OutContext.getOrCreateSymbol(
+        "." + cast<MCSymbolXCOFF>(CurrentFnDescSym)->getUnqualifiedName());
 
     // Set the containing csect.
     MCSectionXCOFF *FnEntryPointSec =
diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -1969,10 +1969,12 @@
 }
 
 MCSection *TargetLoweringObjectFileXCOFF::getSectionForFunctionDescriptor(
-    const MCSymbol *FuncSym) const {
-  return getContext().getXCOFFSection(FuncSym->getName(), XCOFF::XMC_DS,
-                                      XCOFF::XTY_SD, XCOFF::C_HIDEXT,
-                                      SectionKind::getData());
+    const Function *F) const {
+  SmallString<128> NameStr;
+  getMangler().getNameWithPrefix(NameStr, F, /*CannotUsePrivateLabel=*/false);
+  return getContext().getXCOFFSection(
+      NameStr.str(), XCOFF::XMC_DS, XCOFF::XTY_SD, getStorageClassForGlobal(F),
+      SectionKind::getData());
 }
 
 MCSection *TargetLoweringObjectFileXCOFF::getSectionForTOCEntry(
diff --git a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
--- a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -1540,11 +1540,10 @@
 }
 
 void PPCAIXAsmPrinter::SetupMachineFunction(MachineFunction &MF) {
-  // Get the function descriptor symbol.
-  CurrentFnDescSym = getSymbol(&MF.getFunction());
   // Set the alignment and the containing csect.
   MCSectionXCOFF *FnDescSec = cast<MCSectionXCOFF>(
-      getObjFileLowering().getSectionForFunctionDescriptor(CurrentFnDescSym));
+      getObjFileLowering().getSectionForFunctionDescriptor(&MF.getFunction()));
+  CurrentFnDescSym = FnDescSec->getQualNameSymbol();
   FnDescSec->setAlignment(Align(Subtarget->isPPC64() ? 8 : 4));
   cast<MCSymbolXCOFF>(CurrentFnDescSym)->setContainingCsect(FnDescSec);
 
@@ -1570,7 +1569,7 @@
       MCSectionXCOFF *Csect = cast<MCSectionXCOFF>(
           F->isDeclaration()
               ? getObjFileLowering().getSectionForExternalReference(F, TM)
-              : getObjFileLowering().getSectionForFunctionDescriptor(FSym));
+              : getObjFileLowering().getSectionForFunctionDescriptor(F));
       FSym->setContainingCsect(Csect);
     }
     return MCSymbolRefExpr::create(
@@ -1654,7 +1653,6 @@
   // Emit function descriptor.
   OutStreamer->SwitchSection(
       cast<MCSymbolXCOFF>(CurrentFnDescSym)->getContainingCsect());
-  OutStreamer->emitLabel(CurrentFnDescSym);
   // Emit function entry point address.
   OutStreamer->emitValue(MCSymbolRefExpr::create(CurrentFnSym, OutContext),
                          PointerSize);
@@ -1721,8 +1719,6 @@
     ValidateGV(GV);
   }
 
-  MCSymbolXCOFF *XSym = cast<MCSymbolXCOFF>(getSymbol(GO));
-
   // If the global object is a global variable without initializer or is a
   // declaration of a function, then XSym is an external referenced symbol.
   // Hence we may need to explictly create a MCSectionXCOFF for it so that we
@@ -1740,7 +1736,8 @@
     // If the MO is a function, we want to make sure to refer to the function
     // descriptor csect.
     return cast<MCSectionXCOFF>(
-               getObjFileLowering().getSectionForFunctionDescriptor(XSym))
+               getObjFileLowering().getSectionForFunctionDescriptor(
+                   dyn_cast<const Function>(GO)))
         ->getQualNameSymbol();
   } else if (GOKind.isCommon() || GOKind.isBSSLocal()) {
     // If the operand is a common then we should refer to the csect symbol.
diff --git a/llvm/test/CodeGen/PowerPC/aix-func-dsc-gen.ll b/llvm/test/CodeGen/PowerPC/aix-func-dsc-gen.ll
--- a/llvm/test/CodeGen/PowerPC/aix-func-dsc-gen.ll
+++ b/llvm/test/CodeGen/PowerPC/aix-func-dsc-gen.ll
@@ -56,7 +56,7 @@
 ; CHECK-NEXT:     Value (RelocatableAddress): 0x4
 ; CHECK-NEXT:     Section: .data
 ; CHECK-NEXT:     Type: 0x0
-; CHECK-NEXT:     StorageClass: C_HIDEXT (0x6B)
+; CHECK-NEXT:     StorageClass: C_EXT (0x2) 
 ; CHECK-NEXT:     NumberOfAuxEntries: 1
 ; CHECK-NEXT:     CSECT Auxiliary Entry {
 ; CHECK-NEXT:       Index: [[#Index+5]]
@@ -72,26 +72,6 @@
 ; CHECK-NEXT:   }
 ; CHECK-NEXT:   Symbol {
 ; CHECK-NEXT:     Index: [[#Index+6]]
-; CHECK-NEXT:     Name: foo
-; CHECK-NEXT:     Value (RelocatableAddress): 0x4
-; CHECK-NEXT:     Section: .data
-; CHECK-NEXT:     Type: 0x0
-; CHECK-NEXT:     StorageClass: C_EXT (0x2)
-; CHECK-NEXT:     NumberOfAuxEntries: 1
-; CHECK-NEXT:     CSECT Auxiliary Entry {
-; CHECK-NEXT:       Index: [[#Index+7]]
-; CHECK-NEXT:       ContainingCsectSymbolIndex: [[#Index+4]]
-; CHECK-NEXT:       ParameterHashIndex: 0x0
-; CHECK-NEXT:       TypeChkSectNum: 0x0
-; CHECK-NEXT:       SymbolAlignmentLog2: 0
-; CHECK-NEXT:       SymbolType: XTY_LD (0x2)
-; CHECK-NEXT:       StorageMappingClass: XMC_DS (0xA)
-; CHECK-NEXT:       StabInfoIndex: 0x0
-; CHECK-NEXT:       StabSectNum: 0x0
-; CHECK-NEXT:     }
-; CHECK-NEXT:   }
-; CHECK-NEXT:   Symbol {
-; CHECK-NEXT:     Index: [[#Index+8]]
 ; CHECK-NEXT:     Name: TOC
 ; CHECK-NEXT:     Value (RelocatableAddress): 0x10
 ; CHECK-NEXT:     Section: .data
@@ -99,7 +79,7 @@
 ; CHECK-NEXT:     StorageClass: C_HIDEXT (0x6B)
 ; CHECK-NEXT:     NumberOfAuxEntries: 1
 ; CHECK-NEXT:     CSECT Auxiliary Entry {
-; CHECK-NEXT:       Index: [[#Index+9]]
+; CHECK-NEXT:       Index: [[#Index+7]]
 ; CHECK-NEXT:       SectionLen: 0
 ; CHECK-NEXT:       ParameterHashIndex: 0x0
 ; CHECK-NEXT:       TypeChkSectNum: 0x0
diff --git a/llvm/test/CodeGen/PowerPC/aix-user-defined-memcpy.ll b/llvm/test/CodeGen/PowerPC/aix-user-defined-memcpy.ll
--- a/llvm/test/CodeGen/PowerPC/aix-user-defined-memcpy.ll
+++ b/llvm/test/CodeGen/PowerPC/aix-user-defined-memcpy.ll
@@ -68,7 +68,7 @@
 ; 32-REL-NEXT:  }
 ; 32-REL-NEXT:  Relocation {
 ; 32-REL-NEXT:    Virtual Address: 0x38
-; 32-REL-NEXT:    Symbol: TOC (14)
+; 32-REL-NEXT:    Symbol: TOC (10)
 ; 32-REL-NEXT:    IsSigned: No
 ; 32-REL-NEXT:    FixupBitValue: 0
 ; 32-REL-NEXT:    Length: 32
@@ -84,7 +84,7 @@
 ; 32-REL-NEXT:  }
 ; 32-REL-NEXT:  Relocation {
 ; 32-REL-NEXT:    Virtual Address: 0x44
-; 32-REL-NEXT:    Symbol: TOC (14)
+; 32-REL-NEXT:    Symbol: TOC (10)
 ; 32-REL-NEXT:    IsSigned: No
 ; 32-REL-NEXT:    FixupBitValue: 0
 ; 32-REL-NEXT:    Length: 32
diff --git a/llvm/test/CodeGen/PowerPC/aix-xcoff-reloc.ll b/llvm/test/CodeGen/PowerPC/aix-xcoff-reloc.ll
--- a/llvm/test/CodeGen/PowerPC/aix-xcoff-reloc.ll
+++ b/llvm/test/CodeGen/PowerPC/aix-xcoff-reloc.ll
@@ -35,7 +35,7 @@
 ; OBJ-NEXT:   NumberOfSections: 2
 ; OBJ-NEXT:   TimeStamp: None (0x0)
 ; OBJ-NEXT:   SymbolTableOffset: 0x13C
-; OBJ-NEXT:   SymbolTableEntries: 26
+; OBJ-NEXT:   SymbolTableEntries: 24
 ; OBJ-NEXT:   OptionalHeaderSize: 0x0
 ; OBJ-NEXT:   Flags: 0x0
 ; OBJ-NEXT: }
@@ -85,7 +85,7 @@
 ; RELOC-NEXT:   }
 ; RELOC-NEXT:   Relocation {
 ; RELOC-NEXT:     Virtual Address: 0x1A
-; RELOC-NEXT:     Symbol: globalA (22)
+; RELOC-NEXT:     Symbol: globalA (20)
 ; RELOC-NEXT:     IsSigned: No
 ; RELOC-NEXT:     FixupBitValue: 0
 ; RELOC-NEXT:     Length: 16
@@ -93,7 +93,7 @@
 ; RELOC-NEXT:   }
 ; RELOC-NEXT:   Relocation {
 ; RELOC-NEXT:     Virtual Address: 0x1E
-; RELOC-NEXT:     Symbol: globalB (24)
+; RELOC-NEXT:     Symbol: globalB (22)
 ; RELOC-NEXT:     IsSigned: No
 ; RELOC-NEXT:     FixupBitValue: 0
 ; RELOC-NEXT:     Length: 16
@@ -119,7 +119,7 @@
 ; RELOC-NEXT: }
 ; RELOC-NEXT: Relocation {
 ; RELOC-NEXT:   Virtual Address: 0x78
-; RELOC-NEXT:   Symbol: TOC (20)
+; RELOC-NEXT:   Symbol: TOC (18)
 ; RELOC-NEXT:   IsSigned: No
 ; RELOC-NEXT:   FixupBitValue: 0
 ; RELOC-NEXT:   Length: 32
@@ -311,7 +311,7 @@
 ; SYM-NEXT:     Value (RelocatableAddress): 0x74
 ; SYM-NEXT:     Section: .data
 ; SYM-NEXT:     Type: 0x0
-; SYM-NEXT:     StorageClass: C_HIDEXT (0x6B)
+; SYM-NEXT:     StorageClass: C_EXT (0x2) 
 ; SYM-NEXT:     NumberOfAuxEntries: 1
 ; SYM-NEXT:     CSECT Auxiliary Entry {
 ; SYM-NEXT:       Index: 17
@@ -327,26 +327,6 @@
 ; SYM-NEXT:   }
 ; SYM-NEXT:   Symbol {
 ; SYM-NEXT:     Index: 18
-; SYM-NEXT:     Name: foo
-; SYM-NEXT:     Value (RelocatableAddress): 0x74
-; SYM-NEXT:     Section: .data
-; SYM-NEXT:     Type: 0x0
-; SYM-NEXT:     StorageClass: C_EXT (0x2)
-; SYM-NEXT:     NumberOfAuxEntries: 1
-; SYM-NEXT:     CSECT Auxiliary Entry {
-; SYM-NEXT:       Index: 19
-; SYM-NEXT:       ContainingCsectSymbolIndex: 16
-; SYM-NEXT:       ParameterHashIndex: 0x0
-; SYM-NEXT:       TypeChkSectNum: 0x0
-; SYM-NEXT:       SymbolAlignmentLog2: 0
-; SYM-NEXT:       SymbolType: XTY_LD (0x2)
-; SYM-NEXT:       StorageMappingClass: XMC_DS (0xA)
-; SYM-NEXT:       StabInfoIndex: 0x0
-; SYM-NEXT:       StabSectNum: 0x0
-; SYM-NEXT:     }
-; SYM-NEXT:   }
-; SYM-NEXT:   Symbol {
-; SYM-NEXT:     Index: 20
 ; SYM-NEXT:     Name: TOC
 ; SYM-NEXT:     Value (RelocatableAddress): 0x80
 ; SYM-NEXT:     Section: .data
@@ -354,7 +334,7 @@
 ; SYM-NEXT:     StorageClass: C_HIDEXT (0x6B)
 ; SYM-NEXT:     NumberOfAuxEntries: 1
 ; SYM-NEXT:     CSECT Auxiliary Entry {
-; SYM-NEXT:       Index: 21
+; SYM-NEXT:       Index: 19
 ; SYM-NEXT:       SectionLen: 0
 ; SYM-NEXT:       ParameterHashIndex: 0x0
 ; SYM-NEXT:       TypeChkSectNum: 0x0
@@ -366,7 +346,7 @@
 ; SYM-NEXT:     }
 ; SYM-NEXT:   }
 ; SYM-NEXT:   Symbol {
-; SYM-NEXT:     Index: 22
+; SYM-NEXT:     Index: 20
 ; SYM-NEXT:     Name: globalA
 ; SYM-NEXT:     Value (RelocatableAddress): 0x80
 ; SYM-NEXT:     Section: .data
@@ -374,7 +354,7 @@
 ; SYM-NEXT:     StorageClass: C_HIDEXT (0x6B)
 ; SYM-NEXT:     NumberOfAuxEntries: 1
 ; SYM-NEXT:     CSECT Auxiliary Entry {
-; SYM-NEXT:       Index: 23
+; SYM-NEXT:       Index: 21
 ; SYM-NEXT:       SectionLen: 4
 ; SYM-NEXT:       ParameterHashIndex: 0x0
 ; SYM-NEXT:       TypeChkSectNum: 0x0
@@ -386,7 +366,7 @@
 ; SYM-NEXT:     }
 ; SYM-NEXT:   }
 ; SYM-NEXT:   Symbol {
-; SYM-NEXT:     Index: 24
+; SYM-NEXT:     Index: 22
 ; SYM-NEXT:     Name: globalB
 ; SYM-NEXT:     Value (RelocatableAddress): 0x84
 ; SYM-NEXT:     Section: .data
@@ -394,7 +374,7 @@
 ; SYM-NEXT:     StorageClass: C_HIDEXT (0x6B)
 ; SYM-NEXT:     NumberOfAuxEntries: 1
 ; SYM-NEXT:     CSECT Auxiliary Entry {
-; SYM-NEXT:       Index: 25
+; SYM-NEXT:       Index: 23
 ; SYM-NEXT:       SectionLen: 4
 ; SYM-NEXT:       ParameterHashIndex: 0x0
 ; SYM-NEXT:       TypeChkSectNum: 0x0
diff --git a/llvm/test/CodeGen/PowerPC/test_func_desc.ll b/llvm/test/CodeGen/PowerPC/test_func_desc.ll
--- a/llvm/test/CodeGen/PowerPC/test_func_desc.ll
+++ b/llvm/test/CodeGen/PowerPC/test_func_desc.ll
@@ -27,10 +27,9 @@
   ret i32 3
 }
 
-; CHECK: .globl foo
+; CHECK: .globl foo[DS]
 ; CHECK: .globl .foo
 ; CHECK: .csect foo[DS]
-; CHECK-NEXT: foo:
 ; 32BIT: .long .foo
 ; 32BIT-NEXT: .long TOC[TC0]
 ; 32BIT-NEXT: .long 0
@@ -40,10 +39,9 @@
 ; CHECK-NEXT: .csect .text[PR]
 ; CHECK-LABEL: .foo:
 
-; CHECK: .globl main
+; CHECK: .globl main[DS]
 ; CHECK: .globl .main
 ; CHECK: .csect main[DS]
-; CHECK-NEXT: main:
 ; 32BIT: .long .main
 ; 32BIT-NEXT: .long TOC[TC0]
 ; 32BIT-NEXT: .long 0
@@ -58,7 +56,6 @@
 
 ; CHECK: .lglobl .static_foo
 ; CHECK: .csect static_foo[DS]
-; CHECK-NEXT: static_foo:
 ; 32BIT: .long .static_foo
 ; 32BIT-NEXT: .long TOC[TC0]
 ; 32BIT-NEXT: .long 0