1 files changed, 78 insertions, 0 deletions
diff --git a/test/DebugInfo/enum-types.ll b/test/DebugInfo/enum-types.ll
new file mode 100644
index 0000000..787e5f5
--- /dev/null
+++ b/test/DebugInfo/enum-types.ll
@@ -0,0 +1,78 @@
+; REQUIRES: object-emission
+;
+; RUN: %llc_dwarf -filetype=obj -O0 < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
+
+; Make sure we can handle enums with the same identifier but in enum types of
+; different compile units.
+; rdar://17628609
+
+; CHECK: DW_TAG_compile_unit
+; CHECK: 0x[[ENUM:.*]]: DW_TAG_enumeration_type
+; CHECK-NEXT:   DW_AT_name {{.*}} "EA"
+; CHECK: DW_TAG_subprogram
+; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_Z4topA2EA"
+; CHECK: DW_TAG_formal_parameter
+; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x{{.*}} => {0x[[ENUM]]})
+
+; CHECK: DW_TAG_compile_unit
+; CHECK: DW_TAG_subprogram
+; CHECK:   DW_AT_MIPS_linkage_name {{.*}} "_Z4topB2EA"
+; CHECK: DW_TAG_formal_parameter
+; CHECK: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[ENUM]]
+
+; Function Attrs: nounwind ssp uwtable
+define void @_Z4topA2EA(i32 %sa) #0 {
+entry:
+  %sa.addr = alloca i32, align 4
+  store i32 %sa, i32* %sa.addr, align 4
+  call void @llvm.dbg.declare(metadata !{i32* %sa.addr}, metadata !22, metadata !{metadata !"0x102"}), !dbg !23
+  ret void, !dbg !24
+}
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+; Function Attrs: nounwind ssp uwtable
+define void @_Z4topB2EA(i32 %sa) #0 {
+entry:
+  %sa.addr = alloca i32, align 4
+  store i32 %sa, i32* %sa.addr, align 4
+  call void @llvm.dbg.declare(metadata !{i32* %sa.addr}, metadata !25, metadata !{metadata !"0x102"}), !dbg !26
+  ret void, !dbg !27
+}
+
+attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind readnone }
+
+!llvm.dbg.cu = !{!0, !12}
+!llvm.module.flags = !{!19, !20}
+!llvm.ident = !{!21, !21}
+
+!0 = metadata !{metadata !"0x11\004\00clang version 3.5.0 (trunk 214102:214133) (llvm/trunk 214102:214132)\000\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !6, metadata !11, metadata !11} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
+!1 = metadata !{metadata !"a.cpp", metadata !""}
+!2 = metadata !{metadata !3}
+!3 = metadata !{metadata !"0x4\00EA\001\0032\0032\000\000\000", metadata !1, null, null, metadata !4, null, null, metadata !"_ZTS2EA"} ; [ DW_TAG_enumeration_type ] [EA] [line 1, size 32, align 32, offset 0] [def] [from ]
+!4 = metadata !{metadata !5}
+!5 = metadata !{metadata !"0x28\00EA_0\000"} ; [ DW_TAG_enumerator ] [EA_0 :: 0]
+!6 = metadata !{metadata !7}
+!7 = metadata !{metadata !"0x2e\00topA\00topA\00_Z4topA2EA\005\000\001\000\006\00256\000\005", metadata !1, metadata !8, metadata !9, null, void (i32)* @_Z4topA2EA, null, null, metadata !11} ; [ DW_TAG_subprogram ] [line 5] [def] [topA]
+!8 = metadata !{metadata !"0x29", metadata !1}          ; [ DW_TAG_file_type ] [a.cpp]
+!9 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!10 = metadata !{null, metadata !"_ZTS2EA"}
+!11 = metadata !{}
+!12 = metadata !{metadata !"0x11\004\00clang version 3.5.0 (trunk 214102:214133) (llvm/trunk 214102:214132)\000\00\000\00\001", metadata !13, metadata !14, metadata !14, metadata !16, metadata !11, metadata !11} ; [ DW_TAG_compile_unit ] [b.cpp] [DW_LANG_C_plus_plus]
+!13 = metadata !{metadata !"b.cpp", metadata !""}
+!14 = metadata !{metadata !15}
+!15 = metadata !{metadata !"0x4\00EA\001\0032\0032\000\000\000", metadata !13, null, null, metadata !4, null, null, metadata !"_ZTS2EA"} ; [ DW_TAG_enumeration_type ] [EA] [line 1, size 32, align 32, offset 0] [def] [from ]
+!16 = metadata !{metadata !17}
+!17 = metadata !{metadata !"0x2e\00topB\00topB\00_Z4topB2EA\005\000\001\000\006\00256\000\005", metadata !13, metadata !18, metadata !9, null, void (i32)* @_Z4topB2EA, null, null, metadata !11} ; [ DW_TAG_subprogram ] [line 5] [def] [topB]
+!18 = metadata !{metadata !"0x29", metadata !13}        ; [ DW_TAG_file_type ] [b.cpp]
+!19 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
+!20 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
+!21 = metadata !{metadata !"clang version 3.5.0 (trunk 214102:214133) (llvm/trunk 214102:214132)"}
+!22 = metadata !{metadata !"0x101\00sa\0016777221\000", metadata !7, metadata !8, metadata !"_ZTS2EA"} ; [ DW_TAG_arg_variable ] [sa] [line 5]
+!23 = metadata !{i32 5, i32 14, metadata !7, null}
+!24 = metadata !{i32 6, i32 1, metadata !7, null}
+!25 = metadata !{metadata !"0x101\00sa\0016777221\000", metadata !17, metadata !18, metadata !"_ZTS2EA"} ; [ DW_TAG_arg_variable ] [sa] [line 5]
+!26 = metadata !{i32 5, i32 14, metadata !17, null}
+!27 = metadata !{i32 6, i32 1, metadata !17, null}