[llvm] r257984 - [Cygwin] Use -femulated-tls by default since r257718 introduced the new pass.

[NAKAMURA Takumi via llvm-commits]

Author: chapuni
Date: Fri Jan 15 21:44:52 2016
New Revision: 257984

URL: http://llvm.org/viewvc/llvm-project?rev=257984&view=rev
Log:
[Cygwin] Use -femulated-tls by default since r257718 introduced the new pass.

FIXME: Add more targets to use emutls into clang/test/Driver/emulated-tls.cpp.
FIXME: Add cygwin tests into llvm/test/CodeGen/X86. Working in progress.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=257984&r1=257983&r2=257984&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Fri Jan 15 21:44:52 2016
@@ -12477,17 +12477,13 @@ X86TargetLowering::LowerGlobalTLSAddress
 
   GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(Op);
 
-  // Cygwin uses emutls.
-  // FIXME: It may be EmulatedTLS-generic also for X86-Android.
-  if (Subtarget->isTargetWindowsCygwin())
+  if (DAG.getTarget().Options.EmulatedTLS)
     return LowerToTLSEmulatedModel(GA, DAG);
 
   const GlobalValue *GV = GA->getGlobal();
   auto PtrVT = getPointerTy(DAG.getDataLayout());
 
   if (Subtarget->isTargetELF()) {
-    if (DAG.getTarget().Options.EmulatedTLS)
-      return LowerToTLSEmulatedModel(GA, DAG);
     TLSModel::Model model = DAG.getTarget().getTLSModel(GV);
     switch (model) {
       case TLSModel::GeneralDynamic: