1 ; RUN: llc -arm-global-merge -global-merge-group-by-use=false -filetype=obj < %s | llvm-dwarfdump -debug-info --name=x1 --name=x2 -v - | FileCheck %s
3 ; CHECK: DW_TAG_variable
4 ; CHECK: DW_AT_name {{.*}} "x1"
5 ; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr [[ADDR:0x[0-9a-fA-F]+]])
7 ; CHECK: DW_TAG_variable
8 ; CHECK: DW_AT_name {{.*}} "x2"
9 ; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr [[ADDR]], DW_OP_plus_uconst 0x4)
11 source_filename = "test/CodeGen/ARM/2011-08-02-MergedGlobalDbg.ll"
12 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"
13 target triple = "thumbv7-apple-macosx10.7.0"
15 @x1 = internal unnamed_addr global i32 1, align 4, !dbg !0
16 @x2 = internal unnamed_addr global i32 2, align 4, !dbg !6
17 @x3 = internal unnamed_addr global i32 3, align 4
18 @x4 = internal unnamed_addr global i32 4, align 4
19 @x5 = global i32 0, align 4
21 ; Function Attrs: nounwind optsize ssp
22 define i32 @get1(i32 %a) #0 !dbg !10 {
23 tail call void @llvm.dbg.value(metadata i32 %a, metadata !14, metadata !17), !dbg !18
24 %1 = load i32, ptr @x1, align 4, !dbg !19
25 tail call void @llvm.dbg.value(metadata i32 %1, metadata !15, metadata !17), !dbg !19
26 store i32 %a, ptr @x1, align 4, !dbg !19
30 ; Function Attrs: nounwind optsize ssp
32 define i32 @get2(i32 %a) #0 !dbg !20 {
33 tail call void @llvm.dbg.value(metadata i32 %a, metadata !22, metadata !17), !dbg !25
34 %1 = load i32, ptr @x2, align 4, !dbg !26
35 tail call void @llvm.dbg.value(metadata i32 %1, metadata !23, metadata !17), !dbg !26
36 store i32 %a, ptr @x2, align 4, !dbg !26
40 ; Function Attrs: nounwind optsize ssp
42 define i32 @get3(i32 %a) #0 !dbg !27 {
43 tail call void @llvm.dbg.value(metadata i32 %a, metadata !29, metadata !17), !dbg !32
44 %1 = load i32, ptr @x3, align 4, !dbg !33
45 tail call void @llvm.dbg.value(metadata i32 %1, metadata !30, metadata !17), !dbg !33
46 store i32 %a, ptr @x3, align 4, !dbg !33
50 ; Function Attrs: nounwind optsize ssp
52 define i32 @get4(i32 %a) #0 !dbg !34 {
53 tail call void @llvm.dbg.value(metadata i32 %a, metadata !36, metadata !17), !dbg !39
54 %1 = load i32, ptr @x4, align 4, !dbg !40
55 tail call void @llvm.dbg.value(metadata i32 %1, metadata !37, metadata !17), !dbg !40
56 store i32 %a, ptr @x4, align 4, !dbg !40
60 ; Function Attrs: nounwind optsize ssp
62 define i32 @get5(i32 %a) #0 !dbg !41 {
63 tail call void @llvm.dbg.value(metadata i32 %a, metadata !43, metadata !17), !dbg !46
64 %1 = load i32, ptr @x5, align 4, !dbg !47
65 tail call void @llvm.dbg.value(metadata i32 %1, metadata !44, metadata !17), !dbg !47
66 store i32 %a, ptr @x5, align 4, !dbg !47
70 ; Function Attrs: nounwind readnone
72 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
74 attributes #0 = { nounwind optsize ssp }
75 attributes #1 = { nounwind readnone }
78 !llvm.module.flags = !{!9}
80 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
81 !1 = !DIGlobalVariable(name: "x1", scope: !2, file: !3, line: 4, type: !8, isLocal: true, isDefinition: true)
82 !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)
83 !3 = !DIFile(filename: "ss3.c", directory: "/private/tmp")
86 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
87 !7 = !DIGlobalVariable(name: "x2", scope: !2, file: !3, line: 7, type: !8, isLocal: true, isDefinition: true)
88 !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
89 !9 = !{i32 1, !"Debug Info Version", i32 3}
90 !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)
91 !11 = !DISubroutineType(types: !12)
94 !14 = !DILocalVariable(name: "a", arg: 1, scope: !10, file: !3, line: 5, type: !8)
95 !15 = !DILocalVariable(name: "b", scope: !16, file: !3, line: 5, type: !8)
96 !16 = distinct !DILexicalBlock(scope: !10, file: !3, line: 5, column: 19)
98 !18 = !DILocation(line: 5, column: 16, scope: !10)
99 !19 = !DILocation(line: 5, column: 32, scope: !16)
100 !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)
102 !22 = !DILocalVariable(name: "a", arg: 1, scope: !20, file: !3, line: 8, type: !8)
103 !23 = !DILocalVariable(name: "b", scope: !24, file: !3, line: 8, type: !8)
104 !24 = distinct !DILexicalBlock(scope: !20, file: !3, line: 8, column: 17)
105 !25 = !DILocation(line: 8, column: 14, scope: !20)
106 !26 = !DILocation(line: 8, column: 29, scope: !24)
107 !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)
109 !29 = !DILocalVariable(name: "a", arg: 1, scope: !27, file: !3, line: 11, type: !8)
110 !30 = !DILocalVariable(name: "b", scope: !31, file: !3, line: 11, type: !8)
111 !31 = distinct !DILexicalBlock(scope: !27, file: !3, line: 11, column: 19)
112 !32 = !DILocation(line: 11, column: 16, scope: !27)
113 !33 = !DILocation(line: 11, column: 32, scope: !31)
114 !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)
116 !36 = !DILocalVariable(name: "a", arg: 1, scope: !34, file: !3, line: 14, type: !8)
117 !37 = !DILocalVariable(name: "b", scope: !38, file: !3, line: 14, type: !8)
118 !38 = distinct !DILexicalBlock(scope: !34, file: !3, line: 14, column: 19)
119 !39 = !DILocation(line: 14, column: 16, scope: !34)
120 !40 = !DILocation(line: 14, column: 32, scope: !38)
121 !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)
123 !43 = !DILocalVariable(name: "a", arg: 1, scope: !41, file: !3, line: 17, type: !8)
124 !44 = !DILocalVariable(name: "b", scope: !45, file: !3, line: 17, type: !8)
125 !45 = distinct !DILexicalBlock(scope: !41, file: !3, line: 17, column: 19)
126 !46 = !DILocation(line: 17, column: 16, scope: !41)
127 !47 = !DILocation(line: 17, column: 32, scope: !45)