forked from OSchip/llvm-project
123 lines
6.9 KiB
LLVM
123 lines
6.9 KiB
LLVM
; RUN: llc -arm-global-merge -global-merge-group-by-use=false -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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; Check debug info output for merged global.
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; DW_AT_location
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; 0x03 DW_OP_addr
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; 0x.. .long __MergedGlobals
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; 0x10 DW_OP_constu
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; 0x.. offset
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; 0x22 DW_OP_plus
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; CHECK: DW_TAG_variable
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "x1"
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_AT_location [DW_FORM_exprloc] (<0x8> 03 [[ADDR:.. .. .. ..]] 10 00 22 )
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; CHECK: DW_TAG_variable
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "x2"
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_AT_location [DW_FORM_exprloc] (<0x8> 03 [[ADDR]] 10 04 22 )
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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"
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target triple = "thumbv7-apple-macosx10.7.0"
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@x1 = internal unnamed_addr global i32 1, align 4
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@x2 = internal unnamed_addr global i32 2, align 4
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@x3 = internal unnamed_addr global i32 3, align 4
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@x4 = internal unnamed_addr global i32 4, align 4
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@x5 = global i32 0, align 4
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define i32 @get1(i32 %a) nounwind optsize ssp {
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tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !10, metadata !DIExpression()), !dbg !30
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%1 = load i32, i32* @x1, align 4, !dbg !31
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tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !11, metadata !DIExpression()), !dbg !31
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store i32 %a, i32* @x1, align 4, !dbg !31
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ret i32 %1, !dbg !31
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}
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define i32 @get2(i32 %a) nounwind optsize ssp {
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tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !13, metadata !DIExpression()), !dbg !32
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%1 = load i32, i32* @x2, align 4, !dbg !33
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tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !14, metadata !DIExpression()), !dbg !33
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store i32 %a, i32* @x2, align 4, !dbg !33
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ret i32 %1, !dbg !33
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}
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define i32 @get3(i32 %a) nounwind optsize ssp {
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tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !16, metadata !DIExpression()), !dbg !34
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%1 = load i32, i32* @x3, align 4, !dbg !35
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tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !17, metadata !DIExpression()), !dbg !35
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store i32 %a, i32* @x3, align 4, !dbg !35
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ret i32 %1, !dbg !35
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}
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define i32 @get4(i32 %a) nounwind optsize ssp {
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tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !19, metadata !DIExpression()), !dbg !36
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%1 = load i32, i32* @x4, align 4, !dbg !37
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tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !20, metadata !DIExpression()), !dbg !37
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store i32 %a, i32* @x4, align 4, !dbg !37
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ret i32 %1, !dbg !37
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}
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define i32 @get5(i32 %a) nounwind optsize ssp {
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tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !27, metadata !DIExpression()), !dbg !38
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%1 = load i32, i32* @x5, align 4, !dbg !39
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tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !28, metadata !DIExpression()), !dbg !39
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store i32 %a, i32* @x5, align 4, !dbg !39
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ret i32 %1, !dbg !39
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!49}
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!0 = !DICompileUnit(language: DW_LANG_C99, producer: "clang", isOptimized: true, emissionKind: 1, file: !47, enums: !48, retainedTypes: !48, subprograms: !40, globals: !41, imports: !48)
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!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)
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!2 = !DIFile(filename: "ss3.c", directory: "/private/tmp")
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!3 = !DISubroutineType(types: !4)
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!4 = !{!5}
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!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!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)
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!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)
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!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)
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!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)
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!10 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 5, arg: 1, scope: !1, file: !2, type: !5)
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!11 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 5, scope: !12, file: !2, type: !5)
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!12 = distinct !DILexicalBlock(line: 5, column: 19, file: !47, scope: !1)
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!13 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 8, arg: 1, scope: !6, file: !2, type: !5)
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!14 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 8, scope: !15, file: !2, type: !5)
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!15 = distinct !DILexicalBlock(line: 8, column: 17, file: !47, scope: !6)
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!16 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 11, arg: 1, scope: !7, file: !2, type: !5)
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!17 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 11, scope: !18, file: !2, type: !5)
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!18 = distinct !DILexicalBlock(line: 11, column: 19, file: !47, scope: !7)
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!19 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 14, arg: 1, scope: !8, file: !2, type: !5)
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!20 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 14, scope: !21, file: !2, type: !5)
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!21 = distinct !DILexicalBlock(line: 14, column: 19, file: !47, scope: !8)
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!25 = !DIGlobalVariable(name: "x1", line: 4, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !5, variable: i32* @x1)
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!26 = !DIGlobalVariable(name: "x2", line: 7, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !5, variable: i32* @x2)
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!27 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 17, arg: 1, scope: !9, file: !2, type: !5)
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!28 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 17, scope: !29, file: !2, type: !5)
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!29 = distinct !DILexicalBlock(line: 17, column: 19, file: !47, scope: !9)
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!30 = !DILocation(line: 5, column: 16, scope: !1)
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!31 = !DILocation(line: 5, column: 32, scope: !12)
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!32 = !DILocation(line: 8, column: 14, scope: !6)
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!33 = !DILocation(line: 8, column: 29, scope: !15)
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!34 = !DILocation(line: 11, column: 16, scope: !7)
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!35 = !DILocation(line: 11, column: 32, scope: !18)
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!36 = !DILocation(line: 14, column: 16, scope: !8)
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!37 = !DILocation(line: 14, column: 32, scope: !21)
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!38 = !DILocation(line: 17, column: 16, scope: !9)
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!39 = !DILocation(line: 17, column: 32, scope: !29)
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!40 = !{!1, !6, !7, !8, !9}
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!41 = !{!25, !26}
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!42 = !{!10, !11}
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!43 = !{!13, !14}
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!44 = !{!16, !17}
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!45 = !{!19, !20}
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!46 = !{!27, !28}
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!47 = !DIFile(filename: "ss3.c", directory: "/private/tmp")
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!48 = !{}
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!49 = !{i32 1, !"Debug Info Version", i32 3}
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