1 files changed, 29 insertions, 0 deletions
diff --git a/test/Assembler/drop-debug-info.ll b/test/Assembler/drop-debug-info.ll
new file mode 100644
index 0000000..5109b5e
--- /dev/null
+++ b/test/Assembler/drop-debug-info.ll
@@ -0,0 +1,29 @@
+; RUN: llvm-as < %s -o %t.bc 2>&1 >/dev/null | FileCheck -check-prefix=WARN %s
+; RUN: llvm-dis < %t.bc | FileCheck %s
+; RUN: verify-uselistorder < %t.bc
+
+define i32 @main() {
+entry:
+  %retval = alloca i32, align 4
+  store i32 0, i32* %retval
+  ret i32 0, !dbg !12
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!9}
+
+!0 = !{!"0x11\0012\00clang version 3.5 (trunk 195495) (llvm/trunk 195495:195504M)\000\00\000\00\000", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/Users/manmanren/llvm_gmail/release/../llvm/tools/clang/test/CodeGen/debug-info-version.c] [DW_LANG_C99]
+!1 = !{!"../llvm/tools/clang/test/CodeGen/debug-info-version.c", !"/Users/manmanren/llvm_gmail/release"}
+!2 = !{i32 0}
+!3 = !{!4}
+!4 = !{!"0x2e\00main\00main\00\003\000\001\000\006\00256\000\003", !1, !5, !6, null, i32 ()* @main, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [main]
+!5 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/Users/manmanren/llvm_gmail/release/../llvm/tools/clang/test/CodeGen/debug-info-version.c]
+!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = !{!8}
+!8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!9 = !{i32 2, !"Dwarf Version", i32 2}
+!12 = !MDLocation(line: 4, scope: !4)
+
+; WARN: warning: ignoring debug info with an invalid version (0)
+; CHECK-NOT: !dbg
+; CHECK-NOT: !llvm.dbg.cu