1 files changed, 86 insertions, 0 deletions
diff --git a/test/MC/ELF/comdat.s b/test/MC/ELF/comdat.s
new file mode 100644
index 0000000000000..0f1164e82068e
--- /dev/null
+++ b/test/MC/ELF/comdat.s
@@ -0,0 +1,86 @@
+// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump   | FileCheck %s
+
+// Test that we produce the group sections and that they are a the beginning
+// of the file.
+
+// CHECK:       # Section 0x00000001
+// CHECK-NEXT:  (('sh_name', 0x00000026) # '.group'
+// CHECK-NEXT:   ('sh_type', 0x00000011)
+// CHECK-NEXT:   ('sh_flags', 0x00000000)
+// CHECK-NEXT:   ('sh_addr', 0x00000000)
+// CHECK-NEXT:   ('sh_offset', 0x00000040)
+// CHECK-NEXT:   ('sh_size', 0x0000000c)
+// CHECK-NEXT:   ('sh_link', 0x0000000c)
+// CHECK-NEXT:   ('sh_info', 0x00000001)
+// CHECK-NEXT:   ('sh_addralign', 0x00000004)
+// CHECK-NEXT:   ('sh_entsize', 0x00000004)
+// CHECK-NEXT:  ),
+// CHECK-NEXT:  # Section 0x00000002
+// CHECK-NEXT:  (('sh_name', 0x00000026) # '.group'
+// CHECK-NEXT:   ('sh_type', 0x00000011)
+// CHECK-NEXT:   ('sh_flags', 0x00000000)
+// CHECK-NEXT:   ('sh_addr', 0x00000000)
+// CHECK-NEXT:   ('sh_offset', 0x0000004c)
+// CHECK-NEXT:   ('sh_size', 0x00000008)
+// CHECK-NEXT:   ('sh_link', 0x0000000c)
+// CHECK-NEXT:   ('sh_info', 0x00000002)
+// CHECK-NEXT:   ('sh_addralign', 0x00000004)
+// CHECK-NEXT:   ('sh_entsize', 0x00000004)
+// CHECK-NEXT:  ),
+// CHECK-NEXT:  # Section 0x00000003
+// CHECK-NEXT:  (('sh_name', 0x00000026) # '.group'
+// CHECK-NEXT:   ('sh_type', 0x00000011)
+// CHECK-NEXT:   ('sh_flags', 0x00000000)
+// CHECK-NEXT:   ('sh_addr', 0x00000000)
+// CHECK-NEXT:   ('sh_offset', 0x00000054)
+// CHECK-NEXT:   ('sh_size', 0x00000008)
+// CHECK-NEXT:   ('sh_link', 0x0000000c)
+// CHECK-NEXT:   ('sh_info', 0x0000000d)
+// CHECK-NEXT:   ('sh_addralign', 0x00000004)
+// CHECK-NEXT:   ('sh_entsize', 0x00000004)
+// CHECK-NEXT:  ),
+
+// Test that g1 and g2 are local, but g3 is an undefined global.
+
+// CHECK:      # Symbol 0x00000001
+// CHECK-NEXT: (('st_name', 0x00000001) # 'g1'
+// CHECK-NEXT:  ('st_bind', 0x00000000)
+// CHECK-NEXT:  ('st_type', 0x00000000)
+// CHECK-NEXT:  ('st_other', 0x00000000)
+// CHECK-NEXT:  ('st_shndx', 0x00000007)
+// CHECK-NEXT:  ('st_value', 0x0000000000000000)
+// CHECK-NEXT:  ('st_size', 0x0000000000000000)
+// CHECK-NEXT: ),
+// CHECK-NEXT: # Symbol 0x00000002
+// CHECK-NEXT: (('st_name', 0x00000004) # 'g2'
+// CHECK-NEXT:  ('st_bind', 0x00000000)
+// CHECK-NEXT:  ('st_type', 0x00000000)
+// CHECK-NEXT:  ('st_other', 0x00000000)
+// CHECK-NEXT:  ('st_shndx', 0x00000002)
+// CHECK-NEXT:  ('st_value', 0x0000000000000000)
+// CHECK-NEXT:  ('st_size', 0x0000000000000000)
+// CHECK-NEXT: ),
+
+// CHECK:      # Symbol 0x0000000d
+// CHECK-NEXT: (('st_name', 0x00000007) # 'g3'
+// CHECK-NEXT:  ('st_bind', 0x00000001)
+// CHECK-NEXT:  ('st_type', 0x00000000)
+// CHECK-NEXT:  ('st_other', 0x00000000)
+// CHECK-NEXT:  ('st_shndx', 0x00000000)
+// CHECK-NEXT:  ('st_value', 0x0000000000000000)
+// CHECK-NEXT:  ('st_size', 0x0000000000000000)
+// CHECK-NEXT: ),
+
+
+	.section	.foo,"axG",@progbits,g1,comdat
+g1:
+        nop
+
+        .section	.bar,"axG",@progbits,g1,comdat
+        nop
+
+        .section	.zed,"axG",@progbits,g2,comdat
+        nop
+
+        .section	.baz,"axG",@progbits,g3,comdat
+        .long g3