Revert "Update the version of dwarf we say we're emitting to at least 3."

temporarily while we work on plumbing through some changes to continue
supporting gdb on darwin.

This reverts commit r179122.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179222 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h
index 62dea0e917f11304ce829e5a18c26e48c9f7581b..b52914f93851f0260f1212ac9b79dddb78f8c89b 100644 (file)
--- a/include/llvm/Support/Dwarf.h
+++ b/include/llvm/Support/Dwarf.h
@@ -67,7 +67,7 @@ const uint64_t DW64_CIE_ID = UINT64_MAX;
 
 
 enum dwarf_constants {
-  DWARF_VERSION = 3,
+  DWARF_VERSION = 2,
 
   // Tags
   DW_TAG_array_type = 0x01,

diff --git a/test/DebugInfo/dwarf-version.ll b/test/DebugInfo/dwarf-version.ll
deleted file mode 100644 (file)
index 327a306..0000000
--- a/test/DebugInfo/dwarf-version.ll
+++ /dev/null
@@ -1,19 +0,0 @@
-; REQUIRES: object-emission
-
-; RUN: llc -filetype=obj -O0 < %s > %t
-; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
-
-; Test the version of debug info we say we're emitting.
-; CHECK: version = 0x0003
-
-@a = common global i32 0, align 4
-
-!llvm.dbg.cu = !{!0}
-
-!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.3 (trunk 179108) (llvm/trunk 179114)", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !2, metadata !3, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/foo.c] [DW_LANG_C99]
-!1 = metadata !{metadata !"foo.c", metadata !"/usr/local/google/home/echristo/tmp"}
-!2 = metadata !{i32 0}
-!3 = metadata !{metadata !4}
-!4 = metadata !{i32 786484, i32 0, null, metadata !"a", metadata !"a", metadata !"", metadata !5, i32 1, metadata !6, i32 0, i32 1, i32* @a, null} ; [ DW_TAG_variable ] [a] [line 1] [def]
-!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/tmp/foo.c]
-!6 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]