Test for extra inhabitants not emitted

Author: augusto2112

llvm/test/DebugInfo/AArch64/num_extra_inhabitants.ll

@@ -2,29 +2,40 @@
 ; RUN:   | llvm-dwarfdump - | FileCheck %s
 
 ; CHECK: DW_TAG_base_type
-; CHECK: DW_AT_APPLE_num_extra_inhabitants	(0xfe)
+; CHECK: DW_AT_name ("ExtraInhabitantBasicType")
+; CHECK: DW_AT_APPLE_num_extra_inhabitants (0xfe)
 
 ; CHECK: DW_TAG_structure_type
-; CHECK: DW_AT_APPLE_num_extra_inhabitants	(0x42)
+; CHECK: DW_AT_name ("ExtraInhabitantCompositeType")
+; CHECK: DW_AT_APPLE_num_extra_inhabitants (0x42)
+
+; CHECK: DW_TAG_structure_type
+; CHECK: DW_AT_name ("NoExtraInhabitantType")
+; CHECK-NOT: DW_AT_APPLE_num_extra_inhabitants
+
 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
 
-@p = common global i8* null, align 8, !dbg !0
-@q = common global i8* null, align 8, !dbg !8
+@p = common global i8* null, align 8, !dbg !100
+@q = common global i8* null, align 8, !dbg !102
+@r = common global i8* null, align 8, !dbg !105
 
 !llvm.dbg.cu = !{!2}
 !llvm.module.flags = !{!6, !7}
 
-!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
-!1 = distinct !DIGlobalVariable(name: "p", scope: !2, file: !3, line: 1, type: !10, isLocal: false, isDefinition: true)
 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, emissionKind: FullDebug, globals: !5)
 !3 = !DIFile(filename: "/tmp/p.c", directory: "/")
 !4 = !{}
-!5 = !{!0, !8}
+!5 = !{!100, !102, !105}
 !6 = !{i32 2, !"Dwarf Version", i32 4}
 !7 = !{i32 2, !"Debug Info Version", i32 3}
 
-!8 = !DIGlobalVariableExpression(var: !9, expr: !DIExpression())
-!9 = distinct !DIGlobalVariable(name: "q", scope: !2, file: !3, line: 1, type: !11, isLocal: false, isDefinition: true)
 !10 = !DIBasicType(name: "ExtraInhabitantBasicType", size: 1, encoding: DW_ATE_unsigned, num_extra_inhabitants: 254)
 !11 = !DICompositeType(tag: DW_TAG_structure_type, name: "ExtraInhabitantCompositeType", file: !3, size: 64, num_extra_inhabitants: 66, identifier: "MangledExtraInhabitantCompositeType")
+!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "NoExtraInhabitantType", file: !3, size: 64, identifier: "MangledNoExtraInhabitantType")
 
+!100 = !DIGlobalVariableExpression(var: !101, expr: !DIExpression())
+!101 = distinct !DIGlobalVariable(name: "p", scope: !2, file: !3, line: 1, type: !10, isLocal: false, isDefinition: true)
+!102 = !DIGlobalVariableExpression(var: !103, expr: !DIExpression())
+!103 = distinct !DIGlobalVariable(name: "q", scope: !2, file: !3, line: 1, type: !11, isLocal: false, isDefinition: true)
+!104 = distinct !DIGlobalVariable(name: "r", scope: !2, file: !3, line: 1, type: !12, isLocal: false, isDefinition: true)
+!105 = !DIGlobalVariableExpression(var: !104, expr: !DIExpression())