1 ; RUN: llc -arm-global-merge -global-merge-group-by-use=false -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
3 ; Check debug info output for merged global.
6 ; 0x.. .long __MergedGlobals
11 ; CHECK: DW_TAG_variable
13 ; CHECK: DW_AT_name {{.*}} "x1"
14 ; CHECK-NOT: {{DW_TAG|NULL}}
15 ; CHECK: DW_AT_location [DW_FORM_exprloc] (<0x8> 03 [[ADDR:.. .. .. ..]] 10 00 22 )
16 ; CHECK: DW_TAG_variable
18 ; CHECK: DW_AT_name {{.*}} "x2"
19 ; CHECK-NOT: {{DW_TAG|NULL}}
20 ; CHECK: DW_AT_location [DW_FORM_exprloc] (<0x8> 03 [[ADDR]] 10 04 22 )
22 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32"
23 target triple = "thumbv7-apple-macosx10.7.0"
25 @x1 = internal unnamed_addr global i32 1, align 4
26 @x2 = internal unnamed_addr global i32 2, align 4
27 @x3 = internal unnamed_addr global i32 3, align 4
28 @x4 = internal unnamed_addr global i32 4, align 4
29 @x5 = global i32 0, align 4
31 define i32 @get1(i32 %a) nounwind optsize ssp {
32 tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !10, metadata !DIExpression()), !dbg !30
33 %1 = load i32, i32* @x1, align 4, !dbg !31
34 tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !11, metadata !DIExpression()), !dbg !31
35 store i32 %a, i32* @x1, align 4, !dbg !31
39 define i32 @get2(i32 %a) nounwind optsize ssp {
40 tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !13, metadata !DIExpression()), !dbg !32
41 %1 = load i32, i32* @x2, align 4, !dbg !33
42 tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !14, metadata !DIExpression()), !dbg !33
43 store i32 %a, i32* @x2, align 4, !dbg !33
47 define i32 @get3(i32 %a) nounwind optsize ssp {
48 tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !16, metadata !DIExpression()), !dbg !34
49 %1 = load i32, i32* @x3, align 4, !dbg !35
50 tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !17, metadata !DIExpression()), !dbg !35
51 store i32 %a, i32* @x3, align 4, !dbg !35
55 define i32 @get4(i32 %a) nounwind optsize ssp {
56 tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !19, metadata !DIExpression()), !dbg !36
57 %1 = load i32, i32* @x4, align 4, !dbg !37
58 tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !20, metadata !DIExpression()), !dbg !37
59 store i32 %a, i32* @x4, align 4, !dbg !37
63 define i32 @get5(i32 %a) nounwind optsize ssp {
64 tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !27, metadata !DIExpression()), !dbg !38
65 %1 = load i32, i32* @x5, align 4, !dbg !39
66 tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !28, metadata !DIExpression()), !dbg !39
67 store i32 %a, i32* @x5, align 4, !dbg !39
71 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
74 !llvm.module.flags = !{!49}
76 !0 = !DICompileUnit(language: DW_LANG_C99, producer: "clang", isOptimized: true, emissionKind: 1, file: !47, enums: !48, retainedTypes: !48, subprograms: !40, globals: !41, imports: !48)
77 !1 = !DISubprogram(name: "get1", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 5, file: !47, scope: !2, type: !3, function: i32 (i32)* @get1, variables: !42)
78 !2 = !DIFile(filename: "ss3.c", directory: "/private/tmp")
79 !3 = !DISubroutineType(types: !4)
81 !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
82 !6 = !DISubprogram(name: "get2", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 8, file: !47, scope: !2, type: !3, function: i32 (i32)* @get2, variables: !43)
83 !7 = !DISubprogram(name: "get3", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !47, scope: !2, type: !3, function: i32 (i32)* @get3, variables: !44)
84 !8 = !DISubprogram(name: "get4", line: 14, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 14, file: !47, scope: !2, type: !3, function: i32 (i32)* @get4, variables: !45)
85 !9 = !DISubprogram(name: "get5", line: 17, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 17, file: !47, scope: !2, type: !3, function: i32 (i32)* @get5, variables: !46)
86 !10 = !DILocalVariable(name: "a", line: 5, arg: 1, scope: !1, file: !2, type: !5)
87 !11 = !DILocalVariable(name: "b", line: 5, scope: !12, file: !2, type: !5)
88 !12 = distinct !DILexicalBlock(line: 5, column: 19, file: !47, scope: !1)
89 !13 = !DILocalVariable(name: "a", line: 8, arg: 1, scope: !6, file: !2, type: !5)
90 !14 = !DILocalVariable(name: "b", line: 8, scope: !15, file: !2, type: !5)
91 !15 = distinct !DILexicalBlock(line: 8, column: 17, file: !47, scope: !6)
92 !16 = !DILocalVariable(name: "a", line: 11, arg: 1, scope: !7, file: !2, type: !5)
93 !17 = !DILocalVariable(name: "b", line: 11, scope: !18, file: !2, type: !5)
94 !18 = distinct !DILexicalBlock(line: 11, column: 19, file: !47, scope: !7)
95 !19 = !DILocalVariable(name: "a", line: 14, arg: 1, scope: !8, file: !2, type: !5)
96 !20 = !DILocalVariable(name: "b", line: 14, scope: !21, file: !2, type: !5)
97 !21 = distinct !DILexicalBlock(line: 14, column: 19, file: !47, scope: !8)
98 !25 = !DIGlobalVariable(name: "x1", line: 4, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !5, variable: i32* @x1)
99 !26 = !DIGlobalVariable(name: "x2", line: 7, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !5, variable: i32* @x2)
100 !27 = !DILocalVariable(name: "a", line: 17, arg: 1, scope: !9, file: !2, type: !5)
101 !28 = !DILocalVariable(name: "b", line: 17, scope: !29, file: !2, type: !5)
102 !29 = distinct !DILexicalBlock(line: 17, column: 19, file: !47, scope: !9)
103 !30 = !DILocation(line: 5, column: 16, scope: !1)
104 !31 = !DILocation(line: 5, column: 32, scope: !12)
105 !32 = !DILocation(line: 8, column: 14, scope: !6)
106 !33 = !DILocation(line: 8, column: 29, scope: !15)
107 !34 = !DILocation(line: 11, column: 16, scope: !7)
108 !35 = !DILocation(line: 11, column: 32, scope: !18)
109 !36 = !DILocation(line: 14, column: 16, scope: !8)
110 !37 = !DILocation(line: 14, column: 32, scope: !21)
111 !38 = !DILocation(line: 17, column: 16, scope: !9)
112 !39 = !DILocation(line: 17, column: 32, scope: !29)
113 !40 = !{!1, !6, !7, !8, !9}
120 !47 = !DIFile(filename: "ss3.c", directory: "/private/tmp")
122 !49 = !{i32 1, !"Debug Info Version", i32 3}