commit efb8077ddd94c088d928abf77464137dd30f0d76
author Lauro Ramos Venancio <lauro.venancio@gmail.com> Sun Apr 22 22:50:52 2007 +0000
committer Lauro Ramos Venancio <lauro.venancio@gmail.com> Sun Apr 22 22:50:52 2007 +0000
tree 0c18b9176530f535b0e0365d27e053169c03b83a
parent f9206e267d162b195c0ad4d5b1c5c2b43795c194

X86 TLS: fix and optimize the implementation of "initial exec" model.

llvm-svn: 36355

llvm/lib/Target/X86/X86ISelLowering.cpp

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index ec86924..e63545d 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -2996,6 +2996,10 @@
                                              GA->getValueType(0),
                                              GA->getOffset());
   SDOperand Offset = DAG.getNode(X86ISD::Wrapper, PtrVT, TGA);
+
+  if (GA->getGlobal()->isDeclaration()) // initial exec TLS model
+    Offset = DAG.getLoad(PtrVT, DAG.getEntryNode(), Offset, NULL, 0);
+
   // The address of the thread local variable is the add of the thread
   // pointer with the offset of the variable.
   return DAG.getNode(ISD::ADD, PtrVT, ThreadPointer, Offset);