Index: ELF/SyntheticSections.h
===================================================================
--- ELF/SyntheticSections.h
+++ ELF/SyntheticSections.h
@@ -487,13 +487,13 @@
   size_t Size = 0;
 };
 
-// The PltSection is used for both the Plt and Iplt. The former always has a
+// The PltSection is used for both the Plt and Iplt. The former usually has a
 // header as its first entry that is used at run-time to resolve lazy binding.
 // The latter is used for GNU Ifunc symbols, that will be subject to a
 // Target->IRelativeRel.
 class PltSection : public SyntheticSection {
 public:
-  PltSection(size_t HeaderSize);
+  PltSection(size_t HeaderSize, bool IsIplt);
   void writeTo(uint8_t *Buf) override;
   size_t getSize() const override;
   bool empty() const override { return Entries.empty(); }
@@ -504,8 +504,8 @@
 private:
   unsigned getPltRelocOff() const;
   std::vector<std::pair<const Symbol *, unsigned>> Entries;
-  // Iplt always has HeaderSize of 0, the Plt HeaderSize is always non-zero
   size_t HeaderSize;
+  bool IsIplt;
 };
 
 // GdbIndexChunk is created for each .debug_info section and contains
Index: ELF/SyntheticSections.cpp
===================================================================
--- ELF/SyntheticSections.cpp
+++ ELF/SyntheticSections.cpp
@@ -1858,9 +1858,9 @@
   }
 }
 
-PltSection::PltSection(size_t S)
+PltSection::PltSection(size_t HeaderSize, bool IsIplt)
     : SyntheticSection(SHF_ALLOC | SHF_EXECINSTR, SHT_PROGBITS, 16, ".plt"),
-      HeaderSize(S) {
+      HeaderSize(HeaderSize), IsIplt(IsIplt) {
   // The PLT needs to be writable on SPARC as the dynamic linker will
   // modify the instructions in the PLT entries.
   if (Config->EMachine == EM_SPARCV9)
@@ -1870,7 +1870,7 @@
 void PltSection::writeTo(uint8_t *Buf) {
   // At beginning of PLT but not the IPLT, we have code to call the dynamic
   // linker to resolve dynsyms at runtime. Write such code.
-  if (HeaderSize != 0)
+  if (!IsIplt)
     Target->writePltHeader(Buf);
   size_t Off = HeaderSize;
   // The IPlt is immediately after the Plt, account for this in RelOff
@@ -1889,7 +1889,7 @@
 template <class ELFT> void PltSection::addEntry(Symbol &Sym) {
   Sym.PltIndex = Entries.size();
   RelocationBaseSection *PltRelocSection = InX::RelaPlt;
-  if (HeaderSize == 0) {
+  if (IsIplt) {
     PltRelocSection = InX::RelaIplt;
     Sym.IsInIplt = true;
   }
@@ -1906,7 +1906,7 @@
 // example ARM uses mapping symbols to aid disassembly
 void PltSection::addSymbols() {
   // The PLT may have symbols defined for the Header, the IPLT has no header
-  if (HeaderSize != 0)
+  if (!IsIplt)
     Target->addPltHeaderSymbols(*this);
   size_t Off = HeaderSize;
   for (size_t I = 0; I < Entries.size(); ++I) {
@@ -1916,7 +1916,7 @@
 }
 
 unsigned PltSection::getPltRelocOff() const {
-  return (HeaderSize == 0) ? InX::Plt->getSize() : 0;
+  return IsIplt ? InX::Plt->getSize() : 0;
 }
 
 // The string hash function for .gdb_index.
Index: ELF/Writer.cpp
===================================================================
--- ELF/Writer.cpp
+++ ELF/Writer.cpp
@@ -369,9 +369,9 @@
       false /*Sort*/);
   Add(InX::RelaIplt);
 
-  InX::Plt = make<PltSection>(Target->PltHeaderSize);
+  InX::Plt = make<PltSection>(Target->PltHeaderSize, false /*IsIplt*/);
   Add(InX::Plt);
-  InX::Iplt = make<PltSection>(0);
+  InX::Iplt = make<PltSection>(0 /*HeaderSize*/, true /*IsIplt*/);
   Add(InX::Iplt);
 
   if (!Config->Relocatable) {
Index: test/ELF/ppc64-ifunc.s
===================================================================
--- test/ELF/ppc64-ifunc.s
+++ test/ELF/ppc64-ifunc.s
@@ -0,0 +1,41 @@
+# REQUIRES: ppc
+# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
+# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o
+# RUN: ld.lld -shared %t2.o -o %t2.so
+# RUN: ld.lld %t.o %t2.so -o %t
+# RUN: llvm-objdump -d %t | FileCheck %s
+
+# CHECK:      _start:
+# CHECK-NEXT:  10010004: {{.*}} bl .+12
+# CHECK-NEXT:  10010008: {{.*}} bl .+40
+
+# 0x10010004 + 12 = 0x10010010 (PLT entry 0)
+# 0x10010008 + 40 = 0x10010030 (PLT entry 1)
+
+# CHECK:     Disassembly of section .plt:
+# CHECK:       10010010: {{.*}} std 2, 40(1)
+# CHECK-NEXT:  10010014: {{.*}} addis 11, 2, 4098
+# CHECK-NEXT:  10010018: {{.*}} ld 12, -32744(11)
+# CHECK-NEXT:  1001001c: {{.*}} ld 11, 0(12)
+# CHECK-NEXT:  10010020: {{.*}} mtctr 11
+# CHECK-NEXT:  10010024: {{.*}} ld 2, 8(12)
+# CHECK-NEXT:  10010028: {{.*}} ld 11, 16(12)
+# CHECK-NEXT:  1001002c: {{.*}} bctr
+# CHECK-NEXT:  10010030: {{.*}} std 2, 40(1)
+# CHECK-NEXT:  10010034: {{.*}} addis 11, 2, 4098
+# CHECK-NEXT:  10010038: {{.*}} ld 12, -32736(11)
+# CHECK-NEXT:  1001003c: {{.*}} ld 11, 0(12)
+# CHECK-NEXT:  10010040: {{.*}} mtctr 11
+# CHECK-NEXT:  10010044: {{.*}} ld 2, 8(12)
+# CHECK-NEXT:  10010048: {{.*}} ld 11, 16(12)
+# CHECK-NEXT:  1001004c: {{.*}} bctr
+
+.type ifunc STT_GNU_IFUNC
+.globl ifunc
+ifunc:
+ nop
+
+.global _start
+_start:
+  bl bar
+  bl ifunc