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-rw-r--r--llvm/docs/LangRef.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index c5035984f3b..d1996acb18f 100644
--- a/llvm/docs/LangRef.rst
+++ b/llvm/docs/LangRef.rst
@@ -494,6 +494,9 @@ model is not supported, or if a better choice of model can be made.
A model can also be specified in a alias, but then it only governs how
the alias is accessed. It will not have any effect in the aliasee.
+For platforms without linker support of ELF TLS model, the -femulated-tls
+flag can be used to generate GCC compatible emulated TLS code.
+
.. _namedtypes:
Structure Types
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