diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td
index 69c74b2..e84d136 100644
--- a/lib/Target/X86/X86Instr64bit.td
+++ b/lib/Target/X86/X86Instr64bit.td
@@ -1303,7 +1303,7 @@
 // Thread Local Storage Instructions
 //===----------------------------------------------------------------------===//
 
-let hasSideEffects = 1, Uses = [RDI] in
+let hasSideEffects = 1, Defs = [RDI] in
 def TLS_addr64 : I<0, Pseudo, (outs), (ins i64imm:$sym),
               ".byte\t0x66; leaq\t${sym:mem}(%rip), %rdi; .word\t0x6666; rex64",
                   [(X86tlsaddr tglobaltlsaddr:$sym)]>,
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 7cf1ad3..462433b 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -2977,7 +2977,7 @@
 // Thread Local Storage Instructions
 //
 
-let hasSideEffects = 1, Uses = [EAX, EBX] in
+let hasSideEffects = 1, Uses = [EBX], Defs = [EAX] in
 def TLS_addr32 : I<0, Pseudo, (outs), (ins i32imm:$sym),
                   "leal\t${sym:mem}(,%ebx,1), %eax",
                   [(X86tlsaddr tglobaltlsaddr:$sym)]>,