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