1 files changed, 92 insertions, 0 deletions
diff --git a/lld/test/ELF/merge-reloc.s b/lld/test/ELF/merge-reloc.s
new file mode 100644
index 00000000000..2447e3e9444
--- /dev/null
+++ b/lld/test/ELF/merge-reloc.s
@@ -0,0 +1,92 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
+# RUN: ld.lld %t.o -r -o %t-rel
+# RUN: llvm-readobj -s -section-data %t-rel | FileCheck %s
+
+# When linker generates a relocatable object it should keep "merge"
+# sections as-is: do not merge content, do not join regular and
+# "merge" sections, do not joint "merge" sections with different
+# entry size.
+
+# CHECK:      Section {
+# CHECK:        Index:
+# CHECK:        Name: .data
+# CHECK-NEXT:   Type: SHT_PROGBITS
+# CHECK-NEXT:   Flags [
+# CHECK-NEXT:     SHF_ALLOC
+# CHECK-NEXT:     SHF_MERGE
+# CHECK-NEXT:   ]
+# CHECK-NEXT:   Address:
+# CHECK-NEXT:   Offset:
+# CHECK-NEXT:   Size: 12
+# CHECK-NEXT:   Link: 0
+# CHECK-NEXT:   Info: 0
+# CHECK-NEXT:   AddressAlignment: 4
+# CHECK-NEXT:   EntrySize: 4
+# CHECK-NEXT:   SectionData (
+# CHECK-NEXT:     0000: 42000000 42000000 42000000
+# CHECK-NEXT:   )
+# CHECK-NEXT: }
+# CHECK:      Section {
+# CHECK:        Index:
+# CHECK:        Name: .data
+# CHECK-NEXT:   Type: SHT_PROGBITS
+# CHECK-NEXT:   Flags [
+# CHECK-NEXT:     SHF_ALLOC
+# CHECK-NEXT:     SHF_MERGE
+# CHECK-NEXT:   ]
+# CHECK-NEXT:   Address:
+# CHECK-NEXT:   Offset:
+# CHECK-NEXT:   Size: 16
+# CHECK-NEXT:   Link: 0
+# CHECK-NEXT:   Info: 0
+# CHECK-NEXT:   AddressAlignment: 8
+# CHECK-NEXT:   EntrySize: 8
+# CHECK-NEXT:   SectionData (
+# CHECK-NEXT:     0000: 42000000 42000000 42000000 42000000
+# CHECK-NEXT:   )
+# CHECK-NEXT: }
+# CHECK:      Section {
+# CHECK:        Index:
+# CHECK:        Name: .data
+# CHECK-NEXT:   Type: SHT_PROGBITS
+# CHECK-NEXT:   Flags [
+# CHECK-NEXT:     SHF_ALLOC
+# CHECK-NEXT:     SHF_WRITE
+# CHECK-NEXT:   ]
+# CHECK-NEXT:   Address:
+# CHECK-NEXT:   Offset:
+# CHECK-NEXT:   Size: 16
+# CHECK-NEXT:   Link: 0
+# CHECK-NEXT:   Info: 0
+# CHECK-NEXT:   AddressAlignment: 1
+# CHECK-NEXT:   EntrySize: 0
+# CHECK-NEXT:   SectionData (
+# CHECK-NEXT:     0000: 42000000 42000000 42000000 42000000
+# CHECK-NEXT:   )
+# CHECK-NEXT: }
+
+        .section        .data.1,"aM",@progbits,4
+        .align  4
+        .global foo
+foo:
+        .long   0x42
+        .long   0x42
+        .long   0x42
+
+        .section        .data.2,"aM",@progbits,8
+        .align  8
+        .global bar
+bar:
+        .long   0x42
+        .long   0x42
+        .long   0x42
+        .long   0x42
+
+        .data
+        .global gar
+zed:
+        .long   0x42
+        .long   0x42
+        .long   0x42
+        .long   0x42