commit b80a16eadd0dacabfc1c32412e243ccb99dd664d
author Richard Smith <richard-llvm@metafoo.co.uk> Fri Apr 19 16:42:07 2013 +0000
committer Richard Smith <richard-llvm@metafoo.co.uk> Fri Apr 19 16:42:07 2013 +0000
tree a32d6882fb51f1dac98aa71110dad1c40b9aa6ca
parent 044fe23e79fff3841cc4c315f8c97e1cdccdd8dd

Implement CodeGen for C++11 thread_local, following the Itanium ABI specification as discussed on cxx-abi-dev.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179858 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGExpr.cpp

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 1c06b7d..a0725b5 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -1824,8 +1824,12 @@
 
   if (const VarDecl *VD = dyn_cast<VarDecl>(ND)) {
     // Check if this is a global variable.
-    if (VD->hasLinkage() || VD->isStaticDataMember())
+    if (VD->hasLinkage() || VD->isStaticDataMember()) {
+      // If it's thread_local, emit a call to its wrapper function instead.
+      if (VD->getTLSKind() == VarDecl::TLS_Dynamic)
+        return CGM.getCXXABI().EmitThreadLocalDeclRefExpr(*this, E);
       return EmitGlobalVarDeclLValue(*this, E, VD);
+    }
 
     bool isBlockVariable = VD->hasAttr<BlocksAttr>();