commit fd230df463107f6439a866103df6201bb3b0ef40
author Evan Cheng <evan.cheng@apple.com> Wed Oct 19 22:22:54 2011 +0000
committer Evan Cheng <evan.cheng@apple.com> Wed Oct 19 22:22:54 2011 +0000
tree 037dbe9b49dcdb5dfde6832743ec1ab5abe4f7fc
parent 815af82b74fa0901e818f5d16ee418675f399101

Fix TLS lowering bug. The CopyFromReg must be glued to the TLSCALL. rdar://10291355

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142550 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 410cc95..f1b160c 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -7527,7 +7527,8 @@
     // And our return value (tls address) is in the standard call return value
     // location.
     unsigned Reg = Subtarget->is64Bit() ? X86::RAX : X86::EAX;
-    return DAG.getCopyFromReg(Chain, DL, Reg, getPointerTy());
+    return DAG.getCopyFromReg(Chain, DL, Reg, getPointerTy(),
+                              Chain.getValue(1));
   }
 
   assert(false &&