[Cygwin] Enable TLS as emutls.

[oota-llvm.git] / lib / Target / X86 / X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 241d8bb45c8605b25e17c34cfb57a5f2cc7218d0..d2a20a1dde7edf37ec741c8642113a53fe48fe97 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -12258,6 +12258,12 @@ SDValue
 X86TargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const {
 
   GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(Op);
 X86TargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const {
 
   GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(Op);

+
+  // Cygwin uses emutls.
+  // FIXME: It may be EmulatedTLS-generic also for X86-Android.
+  if (Subtarget->isTargetWindowsCygwin())
+    return LowerToTLSEmulatedModel(GA, DAG);
+

   const GlobalValue *GV = GA->getGlobal();
   auto PtrVT = getPointerTy(DAG.getDataLayout());
 
   const GlobalValue *GV = GA->getGlobal();
   auto PtrVT = getPointerTy(DAG.getDataLayout());