1 ; RUN: llc -arm-global-merge -global-merge-group-by-use=false -filetype=obj < %s | llvm-dwarfdump -debug-info -v - | FileCheck %s
3 ; CHECK: DW_TAG_variable
5 ; CHECK: DW_AT_name {{.*}} "x1"
6 ; CHECK-NOT: {{DW_TAG|NULL}}
7 ; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr [[ADDR:0x[0-9a-fA-F]+]])
8 ; CHECK: DW_TAG_variable
10 ; CHECK: DW_AT_name {{.*}} "x2"
11 ; CHECK-NOT: {{DW_TAG|NULL}}
12 ; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr [[ADDR]], DW_OP_plus_uconst 0x4)
14 source_filename = "test/CodeGen/ARM/2011-08-02-MergedGlobalDbg.ll"
15 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"
16 target triple = "thumbv7-apple-macosx10.7.0"
18 @x1 = internal unnamed_addr global i32 1, align 4, !dbg !0
19 @x2 = internal unnamed_addr global i32 2, align 4, !dbg !6
20 @x3 = internal unnamed_addr global i32 3, align 4
21 @x4 = internal unnamed_addr global i32 4, align 4
22 @x5 = global i32 0, align 4
24 ; Function Attrs: nounwind optsize ssp
25 define i32 @get1(i32 %a) #0 !dbg !10 {
26 tail call void @llvm.dbg.value(metadata i32 %a, metadata !14, metadata !17), !dbg !18
27 %1 = load i32, i32* @x1, align 4, !dbg !19
28 tail call void @llvm.dbg.value(metadata i32 %1, metadata !15, metadata !17), !dbg !19
29 store i32 %a, i32* @x1, align 4, !dbg !19
33 ; Function Attrs: nounwind optsize ssp
35 define i32 @get2(i32 %a) #0 !dbg !20 {
36 tail call void @llvm.dbg.value(metadata i32 %a, metadata !22, metadata !17), !dbg !25
37 %1 = load i32, i32* @x2, align 4, !dbg !26
38 tail call void @llvm.dbg.value(metadata i32 %1, metadata !23, metadata !17), !dbg !26
39 store i32 %a, i32* @x2, align 4, !dbg !26
43 ; Function Attrs: nounwind optsize ssp
45 define i32 @get3(i32 %a) #0 !dbg !27 {
46 tail call void @llvm.dbg.value(metadata i32 %a, metadata !29, metadata !17), !dbg !32
47 %1 = load i32, i32* @x3, align 4, !dbg !33
48 tail call void @llvm.dbg.value(metadata i32 %1, metadata !30, metadata !17), !dbg !33
49 store i32 %a, i32* @x3, align 4, !dbg !33
53 ; Function Attrs: nounwind optsize ssp
55 define i32 @get4(i32 %a) #0 !dbg !34 {
56 tail call void @llvm.dbg.value(metadata i32 %a, metadata !36, metadata !17), !dbg !39
57 %1 = load i32, i32* @x4, align 4, !dbg !40
58 tail call void @llvm.dbg.value(metadata i32 %1, metadata !37, metadata !17), !dbg !40
59 store i32 %a, i32* @x4, align 4, !dbg !40
63 ; Function Attrs: nounwind optsize ssp
65 define i32 @get5(i32 %a) #0 !dbg !41 {
66 tail call void @llvm.dbg.value(metadata i32 %a, metadata !43, metadata !17), !dbg !46
67 %1 = load i32, i32* @x5, align 4, !dbg !47
68 tail call void @llvm.dbg.value(metadata i32 %1, metadata !44, metadata !17), !dbg !47
69 store i32 %a, i32* @x5, align 4, !dbg !47
73 ; Function Attrs: nounwind readnone
75 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
77 attributes #0 = { nounwind optsize ssp }
78 attributes #1 = { nounwind readnone }
81 !llvm.module.flags = !{!9}
83 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
84 !1 = !DIGlobalVariable(name: "x1", scope: !2, file: !3, line: 4, type: !8, isLocal: true, isDefinition: true)
85 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !4, globals: !5, imports: !4)
86 !3 = !DIFile(filename: "ss3.c", directory: "/private/tmp")
89 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
90 !7 = !DIGlobalVariable(name: "x2", scope: !2, file: !3, line: 7, type: !8, isLocal: true, isDefinition: true)
91 !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
92 !9 = !{i32 1, !"Debug Info Version", i32 3}
93 !10 = distinct !DISubprogram(name: "get1", scope: !3, file: !3, line: 5, type: !11, isLocal: false, isDefinition: true, scopeLine: 5, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !13)
94 !11 = !DISubroutineType(types: !12)
97 !14 = !DILocalVariable(name: "a", arg: 1, scope: !10, file: !3, line: 5, type: !8)
98 !15 = !DILocalVariable(name: "b", scope: !16, file: !3, line: 5, type: !8)
99 !16 = distinct !DILexicalBlock(scope: !10, file: !3, line: 5, column: 19)
100 !17 = !DIExpression()
101 !18 = !DILocation(line: 5, column: 16, scope: !10)
102 !19 = !DILocation(line: 5, column: 32, scope: !16)
103 !20 = distinct !DISubprogram(name: "get2", scope: !3, file: !3, line: 8, type: !11, isLocal: false, isDefinition: true, scopeLine: 8, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !21)
105 !22 = !DILocalVariable(name: "a", arg: 1, scope: !20, file: !3, line: 8, type: !8)
106 !23 = !DILocalVariable(name: "b", scope: !24, file: !3, line: 8, type: !8)
107 !24 = distinct !DILexicalBlock(scope: !20, file: !3, line: 8, column: 17)
108 !25 = !DILocation(line: 8, column: 14, scope: !20)
109 !26 = !DILocation(line: 8, column: 29, scope: !24)
110 !27 = distinct !DISubprogram(name: "get3", scope: !3, file: !3, line: 11, type: !11, isLocal: false, isDefinition: true, scopeLine: 11, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !28)
112 !29 = !DILocalVariable(name: "a", arg: 1, scope: !27, file: !3, line: 11, type: !8)
113 !30 = !DILocalVariable(name: "b", scope: !31, file: !3, line: 11, type: !8)
114 !31 = distinct !DILexicalBlock(scope: !27, file: !3, line: 11, column: 19)
115 !32 = !DILocation(line: 11, column: 16, scope: !27)
116 !33 = !DILocation(line: 11, column: 32, scope: !31)
117 !34 = distinct !DISubprogram(name: "get4", scope: !3, file: !3, line: 14, type: !11, isLocal: false, isDefinition: true, scopeLine: 14, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !35)
119 !36 = !DILocalVariable(name: "a", arg: 1, scope: !34, file: !3, line: 14, type: !8)
120 !37 = !DILocalVariable(name: "b", scope: !38, file: !3, line: 14, type: !8)
121 !38 = distinct !DILexicalBlock(scope: !34, file: !3, line: 14, column: 19)
122 !39 = !DILocation(line: 14, column: 16, scope: !34)
123 !40 = !DILocation(line: 14, column: 32, scope: !38)
124 !41 = distinct !DISubprogram(name: "get5", scope: !3, file: !3, line: 17, type: !11, isLocal: false, isDefinition: true, scopeLine: 17, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !42)
126 !43 = !DILocalVariable(name: "a", arg: 1, scope: !41, file: !3, line: 17, type: !8)
127 !44 = !DILocalVariable(name: "b", scope: !45, file: !3, line: 17, type: !8)
128 !45 = distinct !DILexicalBlock(scope: !41, file: !3, line: 17, column: 19)
129 !46 = !DILocation(line: 17, column: 16, scope: !41)
130 !47 = !DILocation(line: 17, column: 32, scope: !45)