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diff --git a/llvm/test/tools/llvm-readobj/ELF/addrsig.test b/llvm/test/tools/llvm-readobj/ELF/addrsig.test
new file mode 100644
index 00000000000..a0c32ab5936
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+++ b/llvm/test/tools/llvm-readobj/ELF/addrsig.test
@@ -0,0 +1,84 @@
+## Show that llvm-readobj can dump SHT_LLVM_ADDRSIG sections.
+
+# RUN: yaml2obj --docnum=1 %s -o %t1.o
+# RUN: llvm-readobj --addrsig %t1.o | FileCheck -DFILE=%t1.o %s --check-prefix LLVM
+# RUN: not llvm-readelf --addrsig %t1.o 2>&1 | FileCheck -DFILE=%t1.o %s --check-prefix GNU
+
+# LLVM:      Addrsig [
+# LLVM-NEXT:   Sym: foo (1)
+# LLVM-NEXT:   Sym: bar (2)
+# LLVM-NEXT: ]
+
+# GNU: error: '[[FILE]]': --addrsig: not implemented
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_DYN
+  Machine: EM_X86_64
+Sections:
+  - Name: .llvm_addrsig
+    Type: SHT_LLVM_ADDRSIG
+    Symbols:
+      - Name: foo
+      - Name: bar
+Symbols:
+  - Name: foo
+  - Name: bar
+
+## Check that llvm-readobj dumps any SHT_LLVM_ADDRSIG section when --all
+## is specified for LLVM style, but not for GNU style.
+## TODO: Refine the llvm-readelf check when GNU-style dumping is implemented.
+
+# RUN: llvm-readobj --all %t1.o | FileCheck %s --check-prefix LLVM
+# RUN: llvm-readelf --all %t1.o 2>&1 | FileCheck %s --implicit-check-not=warning --implicit-check-not=error
+
+## Check we report a warning when SHT_LLVM_ADDRSIG is broken (e.g. contains a malformed uleb128).
+
+# RUN: yaml2obj --docnum=2 %s -o %t2.o
+# RUN: llvm-readobj --addrsig %t2.o 2>&1 | FileCheck %s -DFILE=%t2.o --check-prefix=MALFORMED
+
+# MALFORMED: warning: '[[FILE]]': malformed uleb128, extends past end
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_DYN
+  Machine: EM_X86_64
+Sections:
+  - Name: .llvm_addrsig
+    Type: SHT_LLVM_ADDRSIG
+    Content: "FF"
+
+## Check we report a warning when SHT_LLVM_ADDRSIG references a symbol that can't be
+## dumped (e.g. the index value is larger than the number of symbols in .symtab).
+
+# RUN: yaml2obj --docnum=3 %s -o %t3.o
+# RUN: llvm-readobj --addrsig %t3.o 2>&1 | FileCheck %s -DFILE=%t3.o --check-prefix=INVALID-INDEX
+
+# INVALID-INDEX:       Addrsig [
+# INVALID-INDEX-NEXT:    Sym: foo (1)
+# INVALID-INDEX-EMPTY:
+# INVALID-INDEX-NEXT:    warning: '[[FILE]]': unable to get symbol from section [index 2]: invalid symbol index (255)
+# INVALID-INDEX-NEXT:    Sym: <?> (255)
+# INVALID-INDEX-NEXT:    Sym: bar (2)
+# INVALID-INDEX-NEXT:  ]
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_DYN
+  Machine: EM_X86_64
+Sections:
+  - Name: .llvm_addrsig
+    Type: SHT_LLVM_ADDRSIG
+    Symbols:
+      - Index: 1
+      - Index: 255
+      - Index: 2
+Symbols:
+  - Name: foo
+  - Name: bar