DebugInfo: add a test case for data member locations (coverage for r193835)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193878 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 43 insertions, 0 deletions

diff --git a/test/DebugInfo/X86/data_member_location.ll b/test/DebugInfo/X86/data_member_location.ll
new file mode 100644
index 0000000000..a65acf0e2a
--- /dev/null
+++ b/test/DebugInfo/X86/data_member_location.ll
@@ -0,0 +1,43 @@
+; RUN: llc -mtriple=x86_64-linux -O0 -o - -filetype=obj < %s | llvm-dwarfdump -debug-dump=info -| FileCheck %s
+
+; Generated from Clang with the following source:
+;
+; struct foo {
+;   char c;
+;   int i;
+; };
+; 
+; foo f;
+
+; CHECK: DW_AT_name {{.*}} "c"
+; CHECK-NOT: DW_AT_data_member_location
+; CHECK: DW_AT_data_member_location {{.*}} (0x00)
+
+; CHECK: DW_AT_name {{.*}} "i"
+; CHECK-NOT: DW_AT_data_member_location
+; CHECK: DW_AT_data_member_location {{.*}} (0x04)
+
+%struct.foo = type { i8, i32 }
+
+@f = global %struct.foo zeroinitializer, align 4
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!13}
+!llvm.ident = !{!14}
+
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !2, metadata !10, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/data_member_location.cpp] [DW_LANG_C_plus_plus]
+!1 = metadata !{metadata !"data_member_location.cpp", metadata !"/tmp/dbginfo"}
+!2 = metadata !{i32 0}
+!3 = metadata !{metadata !4}
+!4 = metadata !{i32 786451, metadata !1, null, metadata !"foo", i32 1, i64 64, i64 32, i32 0, i32 0, null, metadata !5, i32 0, null, null, metadata !"_ZTS3foo"} ; [ DW_TAG_structure_type ] [foo] [line 1, size 64, align 32, offset 0] [def] [from ]
+!5 = metadata !{metadata !6, metadata !8}
+!6 = metadata !{i32 786445, metadata !1, metadata !"_ZTS3foo", metadata !"c", i32 2, i64 8, i64 8, i64 0, i32 0, metadata !7} ; [ DW_TAG_member ] [c] [line 2, size 8, align 8, offset 0] [from char]
+!7 = metadata !{i32 786468, null, null, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ] [char] [line 0, size 8, align 8, offset 0, enc DW_ATE_signed_char]
+!8 = metadata !{i32 786445, metadata !1, metadata !"_ZTS3foo", metadata !"i", i32 3, i64 32, i64 32, i64 32, i32 0, metadata !9} ; [ DW_TAG_member ] [i] [line 3, size 32, align 32, offset 32] [from int]
+!9 = 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]
+!10 = metadata !{metadata !11}
+!11 = metadata !{i32 786484, i32 0, null, metadata !"f", metadata !"f", metadata !"", metadata !12, i32 6, metadata !4, i32 0, i32 1, %struct.foo* @f, null} ; [ DW_TAG_variable ] [f] [line 6] [def]
+!12 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [/tmp/dbginfo/data_member_location.cpp]
+!13 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
+!14 = metadata !{metadata !"clang version 3.4 "}
+