Index: llvm/trunk/include/llvm/Object/RelocVisitor.h
===================================================================
--- llvm/trunk/include/llvm/Object/RelocVisitor.h
+++ llvm/trunk/include/llvm/Object/RelocVisitor.h
@@ -129,6 +129,8 @@
     case ELF::R_X86_64_NONE:
       return 0;
     case ELF::R_X86_64_64:
+    case ELF::R_X86_64_DTPOFF32:
+    case ELF::R_X86_64_DTPOFF64:
       return Value + getELFAddend(R);
     case ELF::R_X86_64_PC32:
       return Value + getELFAddend(R) - R.getOffset();
Index: llvm/trunk/test/tools/llvm-dwarfdump/X86/debug_tls_relocs.s
===================================================================
--- llvm/trunk/test/tools/llvm-dwarfdump/X86/debug_tls_relocs.s
+++ llvm/trunk/test/tools/llvm-dwarfdump/X86/debug_tls_relocs.s
@@ -0,0 +1,68 @@
+# RUN: llvm-mc %s -filetype obj -triple x86_64-pc-linux -o %t.o
+# RUN: llvm-dwarfdump -v %t.o | FileCheck %s
+
+# CHECK-NOT: error
+# CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_const8u 0x0, DW_OP_GNU_push_tls_address)
+# CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_const4u 0x0, DW_OP_GNU_push_tls_address)
+
+.section .debug_str,"MS",@progbits,1
+.Linfo_string0:
+ .asciz "X"
+
+.section .debug_abbrev,"",@progbits
+ .byte 1                # Abbreviation Code
+ .byte 17               # DW_TAG_compile_unit
+ .byte 1                # DW_CHILDREN_yes
+ .byte 37               # DW_AT_producer
+ .byte 14               # DW_FORM_strp
+ .byte 19               # DW_AT_language
+ .byte 5                # DW_FORM_data2
+ .byte 3                # DW_AT_name
+ .byte 14               # DW_FORM_strp
+ .byte 0                # EOM(1)
+ .byte 0                # EOM(2)
+
+ .byte 2                # Abbreviation Code
+ .byte 52               # DW_TAG_variable
+ .byte 0                # DW_CHILDREN_no
+ .byte 3                # DW_AT_name
+ .byte 14               # DW_FORM_strp
+ .byte 73               # DW_AT_type
+ .byte 19               # DW_FORM_ref4
+ .byte 63               # DW_AT_external
+ .byte 25               # DW_FORM_flag_present
+ .byte 2                # DW_AT_location
+ .byte 24               # DW_FORM_exprloc
+ .byte 0                # EOM(1)
+ .byte 0                # EOM(2)
+
+ .byte 0                # EOM(3)
+
+.section .debug_info,"",@progbits
+ .long 49               # Length of Unit
+ .short 4               # DWARF version number
+ .long .debug_abbrev    # Offset Into Abbrev. Section
+ .byte 8                # Address Size (in bytes)
+ .byte 1                # Abbrev [1] 0xb:0x6c DW_TAG_compile_unit
+ .long .Linfo_string0   # DW_AT_producer
+ .short 4               # DW_AT_language
+ .long .Linfo_string0   # DW_AT_name
+                        
+ .byte 2                # Abbrev [2] 0x2a:0x16 DW_TAG_variable
+ .long .Linfo_string0   # DW_AT_name
+ .long 0                # DW_AT_type
+ .byte 10               # DW_AT_location
+ .byte 14
+ .quad tdata1@DTPOFF
+ .byte 224
+
+ .byte 2                # Abbrev [2] 0x47:0x16 DW_TAG_variable
+ .long .Linfo_string0   # DW_AT_name
+ .long 0                # DW_AT_type
+ .byte 6                # DW_AT_location
+ .byte 12
+ .long tdata2@DTPOFF
+ .byte 224
+
+ .byte 0                # End Of Children Mark
+ .byte 0                # End Of Children Mark