diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index 1d6a316..8ff24d9 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -268,8 +268,8 @@
           Layout->getAssembler().getSymbolData(Res.getSymA()->getSymbol());
         MCSymbolData &B =
           Layout->getAssembler().getSymbolData(Res.getSymB()->getSymbol());
-        Res = MCValue::get(+ Layout->getSymbolAddress(&A) + A.getOffset()
-                           - Layout->getSymbolAddress(&B) - B.getOffset()
+        Res = MCValue::get(+ Layout->getSymbolAddress(&A)
+                           - Layout->getSymbolAddress(&B)
                            + Res.getConstant());
       }
 
diff --git a/test/MC/MachO/absolutize.s b/test/MC/MachO/absolutize.s
index ade5c19..76acd5b 100644
--- a/test/MC/MachO/absolutize.s
+++ b/test/MC/MachO/absolutize.s
@@ -1,27 +1,4 @@
-// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump | FileCheck %s
-
-// CHECK: # Relocation 0
-// CHECK: (('word-0', 0xa0000028),
-// CHECK:  ('word-1', 0x2b)),
-// CHECK: # Relocation 1
-// CHECK: (('word-0', 0xa4000020),
-// CHECK:  ('word-1', 0x37)),
-// CHECK: # Relocation 2
-// CHECK: (('word-0', 0xa1000000),
-// CHECK:  ('word-1', 0x33)),
-// CHECK: # Relocation 3
-// CHECK: (('word-0', 0xa4000018),
-// CHECK:  ('word-1', 0x33)),
-// CHECK: # Relocation 4
-// CHECK: (('word-0', 0xa1000000),
-// CHECK:  ('word-1', 0x2f)),
-// CHECK: # Relocation 5
-// CHECK: (('word-0', 0xa4000010),
-// CHECK:  ('word-1', 0x2b)),
-// CHECK: # Relocation 6
-// CHECK: (('word-0', 0xa1000000),
-// CHECK:  ('word-1', 0x2f)),
-// CHECK-NEXT: ])
+// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump --dump-section-data | FileCheck %s
 
 _text_a:
         xorl %eax,%eax
@@ -69,3 +46,168 @@
         .long Ldata_expr_2
 
         .long _data_a + Ldata_expr_0
+
+// CHECK: ('cputype', 7)
+// CHECK: ('cpusubtype', 3)
+// CHECK: ('filetype', 1)
+// CHECK: ('num_load_commands', 1)
+// CHECK: ('load_commands_size', 296)
+// CHECK: ('flag', 0)
+// CHECK: ('load_commands', [
+// CHECK:   # Load Command 0
+// CHECK:  (('command', 1)
+// CHECK:   ('size', 192)
+// CHECK:   ('segment_name', '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:   ('vm_addr', 0)
+// CHECK:   ('vm_size', 87)
+// CHECK:   ('file_offset', 324)
+// CHECK:   ('file_size', 87)
+// CHECK:   ('maxprot', 7)
+// CHECK:   ('initprot', 7)
+// CHECK:   ('num_sections', 2)
+// CHECK:   ('flags', 0)
+// CHECK:   ('sections', [
+// CHECK:     # Section 0
+// CHECK:    (('section_name', '__text\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('address', 0)
+// CHECK:     ('size', 43)
+// CHECK:     ('offset', 324)
+// CHECK:     ('alignment', 0)
+// CHECK:     ('reloc_offset', 412)
+// CHECK:     ('num_reloc', 7)
+// CHECK:     ('flags', 0x80000400)
+// CHECK:     ('reserved1', 0)
+// CHECK:     ('reserved2', 0)
+// CHECK:    ),
+// CHECK:   ('_relocations', [
+// CHECK:     # Relocation 0
+// CHECK:     (('word-0', 0xa0000027),
+// CHECK:      ('word-1', 0x0)),
+// CHECK:     # Relocation 1
+// CHECK:     (('word-0', 0xa400001d),
+// CHECK:      ('word-1', 0x6)),
+// CHECK:     # Relocation 2
+// CHECK:     (('word-0', 0xa1000000),
+// CHECK:      ('word-1', 0x4)),
+// CHECK:     # Relocation 3
+// CHECK:     (('word-0', 0xa4000013),
+// CHECK:      ('word-1', 0x4)),
+// CHECK:     # Relocation 4
+// CHECK:     (('word-0', 0xa1000000),
+// CHECK:      ('word-1', 0x2)),
+// CHECK:     # Relocation 5
+// CHECK:     (('word-0', 0xa4000009),
+// CHECK:      ('word-1', 0x0)),
+// CHECK:     # Relocation 6
+// CHECK:     (('word-0', 0xa1000000),
+// CHECK:      ('word-1', 0x2)),
+// CHECK:   ])
+// CHECK:   ('_section_data', '1\xc01\xc01\xc01\xc0\xb8\xfe\xff\xff\xff\xb8\xfe\xff\xff\xff\xb8\x02\x00\x00\x00\xb8\x02\x00\x00\x00\xb8\x02\x00\x00\x00\xb8\x02\x00\x00\x00\xb8\xfe\xff\xff\xff')
+// CHECK:     # Section 1
+// CHECK:    (('section_name', '__data\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('segment_name', '__DATA\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('address', 43)
+// CHECK:     ('size', 44)
+// CHECK:     ('offset', 367)
+// CHECK:     ('alignment', 0)
+// CHECK:     ('reloc_offset', 468)
+// CHECK:     ('num_reloc', 7)
+// CHECK:     ('flags', 0x0)
+// CHECK:     ('reserved1', 0)
+// CHECK:     ('reserved2', 0)
+// CHECK:    ),
+// CHECK:   ('_relocations', [
+// CHECK:     # Relocation 0
+// CHECK:     (('word-0', 0xa0000028),
+// CHECK:      ('word-1', 0x2b)),
+// CHECK:     # Relocation 1
+// CHECK:     (('word-0', 0xa4000020),
+// CHECK:      ('word-1', 0x37)),
+// CHECK:     # Relocation 2
+// CHECK:     (('word-0', 0xa1000000),
+// CHECK:      ('word-1', 0x33)),
+// CHECK:     # Relocation 3
+// CHECK:     (('word-0', 0xa4000018),
+// CHECK:      ('word-1', 0x33)),
+// CHECK:     # Relocation 4
+// CHECK:     (('word-0', 0xa1000000),
+// CHECK:      ('word-1', 0x2f)),
+// CHECK:     # Relocation 5
+// CHECK:     (('word-0', 0xa4000010),
+// CHECK:      ('word-1', 0x2b)),
+// CHECK:     # Relocation 6
+// CHECK:     (('word-0', 0xa1000000),
+// CHECK:      ('word-1', 0x2f)),
+// CHECK:   ])
+// CHECK:   ('_section_data', "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfc\xff\xff\xff\xfc\xff\xff\xff\x04\x00\x00\x00\x04\x00\x00\x00\x04\x00\x00\x00\x04\x00\x00\x00'\x00\x00\x00")
+// CHECK:   ])
+// CHECK:  ),
+// CHECK:   # Load Command 1
+// CHECK:  (('command', 2)
+// CHECK:   ('size', 24)
+// CHECK:   ('symoff', 524)
+// CHECK:   ('nsyms', 4)
+// CHECK:   ('stroff', 572)
+// CHECK:   ('strsize', 36)
+// CHECK:   ('_string_data', '\x00_text_a\x00_text_b\x00_data_a\x00_data_b\x00\x00\x00\x00')
+// CHECK:   ('_symbols', [
+// CHECK:     # Symbol 0
+// CHECK:    (('n_strx', 1)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 1)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', '_text_a')
+// CHECK:    ),
+// CHECK:     # Symbol 1
+// CHECK:    (('n_strx', 9)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 1)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 2)
+// CHECK:     ('_string', '_text_b')
+// CHECK:    ),
+// CHECK:     # Symbol 2
+// CHECK:    (('n_strx', 17)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 2)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 43)
+// CHECK:     ('_string', '_data_a')
+// CHECK:    ),
+// CHECK:     # Symbol 3
+// CHECK:    (('n_strx', 25)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 2)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 47)
+// CHECK:     ('_string', '_data_b')
+// CHECK:    ),
+// CHECK:   ])
+// CHECK:  ),
+// CHECK:   # Load Command 2
+// CHECK:  (('command', 11)
+// CHECK:   ('size', 80)
+// CHECK:   ('ilocalsym', 0)
+// CHECK:   ('nlocalsym', 4)
+// CHECK:   ('iextdefsym', 4)
+// CHECK:   ('nextdefsym', 0)
+// CHECK:   ('iundefsym', 4)
+// CHECK:   ('nundefsym', 0)
+// CHECK:   ('tocoff', 0)
+// CHECK:   ('ntoc', 0)
+// CHECK:   ('modtaboff', 0)
+// CHECK:   ('nmodtab', 0)
+// CHECK:   ('extrefsymoff', 0)
+// CHECK:   ('nextrefsyms', 0)
+// CHECK:   ('indirectsymoff', 0)
+// CHECK:   ('nindirectsyms', 0)
+// CHECK:   ('extreloff', 0)
+// CHECK:   ('nextrel', 0)
+// CHECK:   ('locreloff', 0)
+// CHECK:   ('nlocrel', 0)
+// CHECK:   ('_indirect_symbols', [
+// CHECK:   ])
+// CHECK:  ),
+// CHECK: ])