diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 8f1c342202d6d4..dedb6735b4708c 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -108,6 +108,7 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx,
   TM = &TgtM;
 
   CodeModel::Model CM = TgtM.getCodeModel();
+  InitializeELF(TgtM.Options.UseInitArray);
 
   switch (TgtM.getTargetTriple().getArch()) {
   case Triple::arm:
diff --git a/llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp b/llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp
index cf049ec274f2c0..dfc66f0cb4c167 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp
+++ b/llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp
@@ -20,7 +20,6 @@ using namespace dwarf;
 void AArch64_ELFTargetObjectFile::Initialize(MCContext &Ctx,
                                              const TargetMachine &TM) {
   TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
   // AARCH64 ELF ABI does not define static relocation type for TLS offset
   // within a module.  Do not generate AT_location for TLS variables.
   SupportDebugThreadLocalLocation = false;
diff --git a/llvm/lib/Target/Hexagon/HexagonTargetObjectFile.cpp b/llvm/lib/Target/Hexagon/HexagonTargetObjectFile.cpp
index fdcc41a4ca41dc..1dc1a783e6da78 100644
--- a/llvm/lib/Target/Hexagon/HexagonTargetObjectFile.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonTargetObjectFile.cpp
@@ -112,7 +112,6 @@ static const char *getSectionSuffixForSize(unsigned Size) {
 void HexagonTargetObjectFile::Initialize(MCContext &Ctx,
       const TargetMachine &TM) {
   TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
 
   SmallDataSection =
     getContext().getELFSection(".sdata", ELF::SHT_PROGBITS,
diff --git a/llvm/lib/Target/Lanai/LanaiTargetObjectFile.cpp b/llvm/lib/Target/Lanai/LanaiTargetObjectFile.cpp
index b0f7c090bb8ec8..d47306c55bad95 100644
--- a/llvm/lib/Target/Lanai/LanaiTargetObjectFile.cpp
+++ b/llvm/lib/Target/Lanai/LanaiTargetObjectFile.cpp
@@ -28,7 +28,6 @@ static cl::opt<unsigned> SSThreshold(
 void LanaiTargetObjectFile::Initialize(MCContext &Ctx,
                                        const TargetMachine &TM) {
   TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
 
   SmallDataSection = getContext().getELFSection(
       ".sdata", ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC);
diff --git a/llvm/lib/Target/Mips/MipsTargetObjectFile.cpp b/llvm/lib/Target/Mips/MipsTargetObjectFile.cpp
index 0852b5a18c68f5..ffd7a057bf0584 100644
--- a/llvm/lib/Target/Mips/MipsTargetObjectFile.cpp
+++ b/llvm/lib/Target/Mips/MipsTargetObjectFile.cpp
@@ -44,7 +44,6 @@ EmbeddedData("membedded-data", cl::Hidden,
 
 void MipsTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
   TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
 
   SmallDataSection = getContext().getELFSection(
       ".sdata", ELF::SHT_PROGBITS,
diff --git a/llvm/lib/Target/PowerPC/PPCTargetObjectFile.cpp b/llvm/lib/Target/PowerPC/PPCTargetObjectFile.cpp
index e237fab1b2679a..168630f55b24a1 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetObjectFile.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetObjectFile.cpp
@@ -18,7 +18,6 @@ void
 PPC64LinuxTargetObjectFile::
 Initialize(MCContext &Ctx, const TargetMachine &TM) {
   TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
 }
 
 MCSection *PPC64LinuxTargetObjectFile::SelectSectionForGlobal(
diff --git a/llvm/lib/Target/RISCV/RISCVTargetObjectFile.cpp b/llvm/lib/Target/RISCV/RISCVTargetObjectFile.cpp
index bbd45c970d3dca..0d1480170fda8e 100644
--- a/llvm/lib/Target/RISCV/RISCVTargetObjectFile.cpp
+++ b/llvm/lib/Target/RISCV/RISCVTargetObjectFile.cpp
@@ -17,7 +17,6 @@ using namespace llvm;
 void RISCVELFTargetObjectFile::Initialize(MCContext &Ctx,
                                           const TargetMachine &TM) {
   TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
 
   SmallDataSection = getContext().getELFSection(
       ".sdata", ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC);
diff --git a/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp b/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp
index e6ad4d2d67aa75..022ee4e9503e53 100644
--- a/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp
+++ b/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp
@@ -17,7 +17,6 @@ using namespace llvm;
 void SparcELFTargetObjectFile::Initialize(MCContext &Ctx,
                                           const TargetMachine &TM) {
   TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
 }
 
 const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 0cfa7bb04771ef..0404b4313a0280 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -92,19 +92,9 @@ static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
     return std::make_unique<TargetLoweringObjectFileMachO>();
   }
 
-  if (TT.isOSFreeBSD())
-    return std::make_unique<X86FreeBSDTargetObjectFile>();
-  if (TT.isOSLinux() || TT.isOSNaCl() || TT.isOSIAMCU())
-    return std::make_unique<X86LinuxNaClTargetObjectFile>();
-  if (TT.isOSSolaris())
-    return std::make_unique<X86SolarisTargetObjectFile>();
-  if (TT.isOSFuchsia())
-    return std::make_unique<X86FuchsiaTargetObjectFile>();
-  if (TT.isOSBinFormatELF())
-    return std::make_unique<X86ELFTargetObjectFile>();
   if (TT.isOSBinFormatCOFF())
     return std::make_unique<TargetLoweringObjectFileCOFF>();
-  llvm_unreachable("unknown subtarget type");
+  return std::make_unique<X86ELFTargetObjectFile>();
 }
 
 static std::string computeDataLayout(const Triple &TT) {
diff --git a/llvm/lib/Target/X86/X86TargetObjectFile.cpp b/llvm/lib/Target/X86/X86TargetObjectFile.cpp
index 44185957686b6c..9096649a220794 100644
--- a/llvm/lib/Target/X86/X86TargetObjectFile.cpp
+++ b/llvm/lib/Target/X86/X86TargetObjectFile.cpp
@@ -64,29 +64,7 @@ const MCExpr *X86ELFTargetObjectFile::getDebugThreadLocalSymbol(
   return MCSymbolRefExpr::create(Sym, MCSymbolRefExpr::VK_DTPOFF, getContext());
 }
 
-void
-X86FreeBSDTargetObjectFile::Initialize(MCContext &Ctx,
-                                       const TargetMachine &TM) {
+void X86ELFTargetObjectFile::Initialize(MCContext &Ctx,
+                                        const TargetMachine &TM) {
   TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
-}
-
-void
-X86FuchsiaTargetObjectFile::Initialize(MCContext &Ctx,
-                                       const TargetMachine &TM) {
-  TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
-}
-
-void
-X86LinuxNaClTargetObjectFile::Initialize(MCContext &Ctx,
-                                         const TargetMachine &TM) {
-  TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
-}
-
-void X86SolarisTargetObjectFile::Initialize(MCContext &Ctx,
-                                            const TargetMachine &TM) {
-  TargetLoweringObjectFileELF::Initialize(Ctx, TM);
-  InitializeELF(TM.Options.UseInitArray);
 }
diff --git a/llvm/lib/Target/X86/X86TargetObjectFile.h b/llvm/lib/Target/X86/X86TargetObjectFile.h
index 1fd0bbf56b19ab..46d41ccc9b3355 100644
--- a/llvm/lib/Target/X86/X86TargetObjectFile.h
+++ b/llvm/lib/Target/X86/X86TargetObjectFile.h
@@ -44,33 +44,11 @@ namespace llvm {
     X86ELFTargetObjectFile() {
       PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT;
     }
-
+    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
     /// Describe a TLS variable address within debug info.
     const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
   };
 
-  /// X86FreeBSDTargetObjectFile - This implementation is used for FreeBSD
-  /// on x86 and x86-64.
-  class X86FreeBSDTargetObjectFile : public X86ELFTargetObjectFile {
-    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
-  };
-
-  /// This implementation is used for Fuchsia on x86-64.
-  class X86FuchsiaTargetObjectFile : public X86ELFTargetObjectFile {
-    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
-  };
-
-  /// X86LinuxNaClTargetObjectFile - This implementation is used for linux and
-  /// Native Client on x86 and x86-64.
-  class X86LinuxNaClTargetObjectFile : public X86ELFTargetObjectFile {
-    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
-  };
-
-  /// This implementation is used for Solaris on x86/x86-64.
-  class X86SolarisTargetObjectFile : public X86ELFTargetObjectFile {
-    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
-  };
-
 } // end namespace llvm
 
 #endif
diff --git a/llvm/test/CodeGen/X86/constructor.ll b/llvm/test/CodeGen/X86/constructor.ll
index d4518f19b7e604..534c452d654838 100644
--- a/llvm/test/CodeGen/X86/constructor.ll
+++ b/llvm/test/CodeGen/X86/constructor.ll
@@ -1,3 +1,4 @@
+; RUN: llc -mtriple x86_64 < %s | FileCheck --check-prefix=INIT-ARRAY %s
 ; RUN: llc -mtriple x86_64-pc-linux -use-ctors < %s | FileCheck --check-prefix=CTOR %s
 ; RUN: llc -mtriple x86_64-unknown-freebsd -use-ctors < %s | FileCheck --check-prefix=CTOR %s
 ; RUN: llc -mtriple x86_64-pc-solaris2.11 -use-ctors < %s | FileCheck --check-prefix=CTOR %s
diff --git a/llvm/test/CodeGen/X86/init-priority.ll b/llvm/test/CodeGen/X86/init-priority.ll
index 30e94841f79390..47f548cf023895 100644
--- a/llvm/test/CodeGen/X86/init-priority.ll
+++ b/llvm/test/CodeGen/X86/init-priority.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=x86_64-netbsd | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-netbsd -use-ctors | FileCheck %s
 
 ; Check that our compiler never emits global constructors
 ; inside the .init_array section when building for a non supported target.