1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp
index 826766890dd..2a0968565f2 100644
--- a/llvm/lib/Target/TargetMachine.cpp
+++ b/llvm/lib/Target/TargetMachine.cpp
@@ -192,6 +192,14 @@ bool TargetMachine::shouldAssumeDSOLocal(const Module &M,
   return false;
 }
 
+bool TargetMachine::useEmulatedTLS() const {
+  // Returns Options.EmulatedTLS if the -emulated-tls or -no-emulated-tls
+  // was specified explicitly; otherwise uses target triple to decide default.
+  if (Options.ExplicitEmulatedTLS)
+    return Options.EmulatedTLS;
+  return getTargetTriple().hasDefaultEmulatedTLS();
+}
+
 TLSModel::Model TargetMachine::getTLSModel(const GlobalValue *GV) const {
   bool IsPIE = GV->getParent()->getPIELevel() != PIELevel::Default;
   Reloc::Model RM = getRelocationModel();