diff --git a/llvm/lib/Target/X86/X86MCInstLower.cpp b/llvm/lib/Target/X86/X86MCInstLower.cpp
index 85af0b45560a..305dc953928f 100644
--- a/llvm/lib/Target/X86/X86MCInstLower.cpp
+++ b/llvm/lib/Target/X86/X86MCInstLower.cpp
@@ -90,18 +90,25 @@ GetSymbolFromOperand(const MachineOperand &MO) const {
     break;
   }
 
+  if (!Suffix.empty())
+    Name += MAI.getPrivateGlobalPrefix();
+
+  unsigned PrefixLen = Name.size();
+
   if (MO.isGlobal()) {
     const GlobalValue *GV = MO.getGlobal();
-    bool isImplicitlyPrivate = !Suffix.empty();
-    getMang()->getNameWithPrefix(Name, GV, isImplicitlyPrivate);
+    getMang()->getNameWithPrefix(Name, GV, false);
   } else if (MO.isSymbol()) {
     getMang()->getNameWithPrefix(Name, MO.getSymbolName());
   } else if (MO.isMBB()) {
     Name += MO.getMBB()->getSymbol()->getName();
   }
+  unsigned OrigLen = Name.size() - PrefixLen;
 
   Name += Suffix;
-  MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
+  MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name);
+
+  StringRef OrigName = StringRef(Name).substr(PrefixLen, OrigLen);
 
   // If the target flags on the operand changes the name of the symbol, do that
   // before we return the symbol.
@@ -144,10 +151,9 @@ GetSymbolFromOperand(const MachineOperand &MO) const {
         StubValueTy(AsmPrinter.getSymbol(MO.getGlobal()),
                     !MO.getGlobal()->hasInternalLinkage());
     } else {
-      Name.erase(Name.end()-5, Name.end());
       StubSym =
         MachineModuleInfoImpl::
-        StubValueTy(Ctx.GetOrCreateSymbol(Name.str()), false);
+        StubValueTy(Ctx.GetOrCreateSymbol(OrigName), false);
     }
     break;
   }
diff --git a/llvm/test/CodeGen/X86/memset-2.ll b/llvm/test/CodeGen/X86/memset-2.ll
index d0a3c7a74bce..a87ef2e15a5a 100644
--- a/llvm/test/CodeGen/X86/memset-2.ll
+++ b/llvm/test/CodeGen/X86/memset-2.ll
@@ -5,7 +5,7 @@ declare void @llvm.memset.i32(i8*, i8, i32, i32) nounwind
 define fastcc void @t1() nounwind {
 entry:
 ; CHECK-LABEL: t1:
-; CHECK: calll _memset
+; CHECK: calll L_memset$stub
   call void @llvm.memset.p0i8.i32(i8* null, i8 0, i32 188, i32 1, i1 false)
   unreachable
 }
@@ -13,7 +13,7 @@ entry:
 define fastcc void @t2(i8 signext %c) nounwind {
 entry:
 ; CHECK-LABEL: t2:
-; CHECK: calll _memset
+; CHECK: calll L_memset$stub
   call void @llvm.memset.p0i8.i32(i8* undef, i8 %c, i32 76, i32 1, i1 false)
   unreachable
 }
diff --git a/llvm/test/CodeGen/X86/sibcall-5.ll b/llvm/test/CodeGen/X86/sibcall-5.ll
index 9424b61e36a1..c04af234b131 100644
--- a/llvm/test/CodeGen/X86/sibcall-5.ll
+++ b/llvm/test/CodeGen/X86/sibcall-5.ll
@@ -8,7 +8,7 @@
 define double @foo(double %a) nounwind readonly ssp {
 entry:
 ; X32-LABEL: foo:
-; X32: jmp _sin$stub
+; X32: jmp L_sin$stub
 
 ; X64-LABEL: foo:
 ; X64: jmp _sin
@@ -18,7 +18,7 @@ entry:
 
 define float @bar(float %a) nounwind readonly ssp {
 ; X32-LABEL: bar:
-; X32: jmp _sinf$stub
+; X32: jmp L_sinf$stub
 
 ; X64-LABEL: bar:
 ; X64: jmp _sinf
@@ -27,9 +27,9 @@ entry:
   ret float %0
 }
 
-; X32-LABEL: _sin$stub:
+; X32-LABEL: L_sin$stub:
 ; X32-NEXT:   .indirect_symbol        _sin
-; X32-LABEL: _sinf$stub:
+; X32-LABEL: L_sinf$stub:
 ; X32-NEXT:   .indirect_symbol        _sinf
 
 declare float @sinf(float) nounwind readonly