1 ; RUN: llc -arm-global-merge -global-merge-group-by-use=false -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s 2 3 ; Check debug info output for merged global. 4 ; DW_AT_location 5 ; 0x03 DW_OP_addr 6 ; 0x.. .long __MergedGlobals 7 ; 0x10 DW_OP_constu 8 ; 0x.. offset 9 ; 0x22 DW_OP_plus 10 11 ; CHECK: DW_TAG_variable 12 ; CHECK-NOT: DW_TAG 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 17 ; CHECK-NOT: DW_TAG 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 ) 21 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" 24 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 30 31 define i32 @get1(i32 %a) nounwind optsize ssp !dbg !1 { 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 36 ret i32 %1, !dbg !31 37 } 38 39 define i32 @get2(i32 %a) nounwind optsize ssp !dbg !6 { 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 44 ret i32 %1, !dbg !33 45 } 46 47 define i32 @get3(i32 %a) nounwind optsize ssp !dbg !7 { 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 52 ret i32 %1, !dbg !35 53 } 54 55 define i32 @get4(i32 %a) nounwind optsize ssp !dbg !8 { 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 60 ret i32 %1, !dbg !37 61 } 62 63 define i32 @get5(i32 %a) nounwind optsize ssp !dbg !9 { 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 68 ret i32 %1, !dbg !39 69 } 70 71 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone 72 73 !llvm.dbg.cu = !{!0} 74 !llvm.module.flags = !{!49} 75 76 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang", isOptimized: true, emissionKind: FullDebug, file: !47, enums: !48, retainedTypes: !48, globals: !41, imports: !48) 77 !1 = distinct !DISubprogram(name: "get1", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 5, file: !47, scope: !2, type: !3, variables: !42) 78 !2 = !DIFile(filename: "ss3.c", directory: "/private/tmp") 79 !3 = !DISubroutineType(types: !4) 80 !4 = !{!5} 81 !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 82 !6 = distinct !DISubprogram(name: "get2", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 8, file: !47, scope: !2, type: !3, variables: !43) 83 !7 = distinct !DISubprogram(name: "get3", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 11, file: !47, scope: !2, type: !3, variables: !44) 84 !8 = distinct !DISubprogram(name: "get4", line: 14, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 14, file: !47, scope: !2, type: !3, variables: !45) 85 !9 = distinct !DISubprogram(name: "get5", line: 17, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 17, file: !47, scope: !2, type: !3, 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 !41 = !{!25, !26} 114 !42 = !{!10, !11} 115 !43 = !{!13, !14} 116 !44 = !{!16, !17} 117 !45 = !{!19, !20} 118 !46 = !{!27, !28} 119 !47 = !DIFile(filename: "ss3.c", directory: "/private/tmp") 120 !48 = !{} 121 !49 = !{i32 1, !"Debug Info Version", i32 3} 122
