1 files changed, 36 insertions, 0 deletions
diff --git a/test/ELF/linkerscript/compress-debug-sections.s b/test/ELF/linkerscript/compress-debug-sections.s
new file mode 100644
index 000000000000..6798a217b5ac
--- /dev/null
+++ b/test/ELF/linkerscript/compress-debug-sections.s
@@ -0,0 +1,36 @@
+# REQUIRES: x86, zlib
+
+# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux \
+# RUN:   %S/Inputs/compress-debug-sections.s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t2.o
+
+## .debug_str section is mergeable. LLD would combine all of them into single
+## mergeable synthetic section. We use -O0 here to disable merging, that
+## allows to check that input sections has correctly assigned offsets.
+
+# RUN: echo "SECTIONS { }" > %t.script
+# RUN: ld.lld -O0 %t1.o %t2.o %t.script -o %t1 --compress-debug-sections=zlib
+# RUN: llvm-dwarfdump %t1 | FileCheck %s
+# RUN: llvm-readobj -s %t1 | FileCheck %s --check-prefix=ZLIBFLAGS
+
+# RUN: echo "SECTIONS { .debug_str 0 : { *(.debug_str) } }" > %t2.script
+# RUN: ld.lld -O0 %t1.o %t2.o %t2.script -o %t2 --compress-debug-sections=zlib
+# RUN: llvm-dwarfdump %t2 | FileCheck %s
+# RUN: llvm-readobj -s %t2 | FileCheck %s --check-prefix=ZLIBFLAGS
+
+# CHECK:       .debug_str contents:
+# CHECK-NEXT:    CCC
+# CHECK-NEXT:    DDD
+# CHECK-NEXT:    AAA
+# CHECK-NEXT:    BBB
+
+# ZLIBFLAGS:       Section {
+# ZLIBFLAGS:         Index:
+# ZLIBFLAGS:         Name: .debug_str
+# ZLIBFLAGS-NEXT:    Type: SHT_PROGBITS
+# ZLIBFLAGS-NEXT:    Flags [
+# ZLIBFLAGS-NEXT:      SHF_COMPRESSED
+
+.section .debug_str
+  .asciz "AAA"
+  .asciz "BBB"