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1; RUN: llc -mtriple=mips -mcpu=mips32r2 -O1 -filetype=obj -relocation-model=pic <%s | \2; RUN: llvm-dwarfdump -v -all - | FileCheck %s3 4; void foo(int *);5;6; int f0(int a, int b, int c, int d, int e) {7; int x = a + b + c + d + e;8; foo(&x);9; return x;10; }11;12; int f1(int a, int b, int c, int d, int e) {13; int x __attribute__((aligned(16))) = a + b + c + d + e;14; foo(&x);15; return x;16; }17 18declare void @llvm.lifetime.start(i64, ptr nocapture)19declare void @llvm.lifetime.end(i64, ptr nocapture)20 21declare void @foo(ptr)22 23; CHECK: DW_AT_name {{.*}}"f0"24; CHECK: DW_AT_name {{.*}}"e"25; CHECK: DW_TAG_variable26; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] (27; CHECK-NEXT: [0x00000028, 0x0000002c) ".text": DW_OP_reg1 AT_6428; CHECK-NEXT: [0x0000002c, 0x00000048) ".text": DW_OP_breg29 SP_64+16)29; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000006b] = "x")30 31define i32 @f0(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e) !dbg !4 {32entry:33 %x = alloca i32, align 434 tail call void @llvm.dbg.value(metadata i32 %a, metadata !9, metadata !DIExpression()), !dbg !2735 tail call void @llvm.dbg.value(metadata i32 %b, metadata !10, metadata !DIExpression()), !dbg !2836 tail call void @llvm.dbg.value(metadata i32 %c, metadata !11, metadata !DIExpression()), !dbg !2937 tail call void @llvm.dbg.value(metadata i32 %d, metadata !12, metadata !DIExpression()), !dbg !3038 tail call void @llvm.dbg.value(metadata i32 %e, metadata !13, metadata !DIExpression()), !dbg !3139 call void @llvm.lifetime.start(i64 4, ptr %x) #4, !dbg !3240 %add = add nsw i32 %b, %a, !dbg !3341 %add1 = add nsw i32 %add, %c, !dbg !3442 %add2 = add nsw i32 %add1, %d, !dbg !3543 %add3 = add nsw i32 %add2, %e, !dbg !3644 tail call void @llvm.dbg.value(metadata i32 %add3, metadata !14, metadata !DIExpression()), !dbg !3745 store i32 %add3, ptr %x, align 4, !dbg !37, !tbaa !3846 tail call void @llvm.dbg.value(metadata ptr %x, metadata !14, metadata !26), !dbg !3747 call void @foo(ptr nonnull %x) #4, !dbg !4248 call void @llvm.dbg.value(metadata ptr %x, metadata !14, metadata !26), !dbg !3749 %0 = load i32, ptr %x, align 4, !dbg !43, !tbaa !3850 call void @llvm.lifetime.end(i64 4, ptr %x) #4, !dbg !4451 ret i32 %0, !dbg !4552}53 54 55; CHECK: DW_TAG_variable56; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] (57; CHECK-NEXT: [0x00000080, 0x00000084) ".text": DW_OP_reg1 AT_6458; CHECK-NEXT: [0x00000084, 0x00000098) ".text": DW_OP_breg29 SP_64+16)59; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000006b] = "x")60 61define i32 @f1(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e) !dbg !15 {62entry:63 %x = alloca i32, align 1664 tail call void @llvm.dbg.value(metadata i32 %a, metadata !17, metadata !DIExpression()), !dbg !4665 tail call void @llvm.dbg.value(metadata i32 %b, metadata !18, metadata !DIExpression()), !dbg !4766 tail call void @llvm.dbg.value(metadata i32 %c, metadata !19, metadata !DIExpression()), !dbg !4867 tail call void @llvm.dbg.value(metadata i32 %d, metadata !20, metadata !DIExpression()), !dbg !4968 tail call void @llvm.dbg.value(metadata i32 %e, metadata !21, metadata !DIExpression()), !dbg !5069 call void @llvm.lifetime.start(i64 4, ptr %x) #4, !dbg !5170 %add = add nsw i32 %b, %a, !dbg !5271 %add1 = add nsw i32 %add, %c, !dbg !5372 %add2 = add nsw i32 %add1, %d, !dbg !5473 %add3 = add nsw i32 %add2, %e, !dbg !5574 tail call void @llvm.dbg.value(metadata i32 %add3, metadata !22, metadata !DIExpression()), !dbg !5675 store i32 %add3, ptr %x, align 16, !dbg !56, !tbaa !3876 tail call void @llvm.dbg.value(metadata ptr %x, metadata !22, metadata !26), !dbg !5677 call void @foo(ptr nonnull %x) #4, !dbg !5778 call void @llvm.dbg.value(metadata ptr %x, metadata !22, metadata !26), !dbg !5679 %0 = load i32, ptr %x, align 16, !dbg !58, !tbaa !3880 call void @llvm.lifetime.end(i64 4, ptr %x) #4, !dbg !5981 ret i32 %0, !dbg !6082}83 84declare void @llvm.dbg.value(metadata, metadata, metadata)85 86!llvm.dbg.cu = !{!0}87!llvm.module.flags = !{!23, !24}88!llvm.ident = !{!25}89 90!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)91!1 = !DIFile(filename: "test.c", directory: "/home/vk/repos/tmp/dwarf")92!2 = !{}93!4 = distinct !DISubprogram(name: "f0", scope: !1, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !8)94!5 = !DISubroutineType(types: !6)95!6 = !{!7, !7, !7, !7, !7, !7}96!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)97!8 = !{!9, !10, !11, !12, !13, !14}98!9 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 4, type: !7)99!10 = !DILocalVariable(name: "b", arg: 2, scope: !4, file: !1, line: 4, type: !7)100!11 = !DILocalVariable(name: "c", arg: 3, scope: !4, file: !1, line: 4, type: !7)101!12 = !DILocalVariable(name: "d", arg: 4, scope: !4, file: !1, line: 4, type: !7)102!13 = !DILocalVariable(name: "e", arg: 5, scope: !4, file: !1, line: 4, type: !7)103!14 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 5, type: !7)104!15 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 11, type: !5, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !16)105!16 = !{!17, !18, !19, !20, !21, !22}106!17 = !DILocalVariable(name: "a", arg: 1, scope: !15, file: !1, line: 11, type: !7)107!18 = !DILocalVariable(name: "b", arg: 2, scope: !15, file: !1, line: 11, type: !7)108!19 = !DILocalVariable(name: "c", arg: 3, scope: !15, file: !1, line: 11, type: !7)109!20 = !DILocalVariable(name: "d", arg: 4, scope: !15, file: !1, line: 11, type: !7)110!21 = !DILocalVariable(name: "e", arg: 5, scope: !15, file: !1, line: 11, type: !7)111!22 = !DILocalVariable(name: "x", scope: !15, file: !1, line: 12, type: !7)112!23 = !{i32 2, !"Dwarf Version", i32 4}113!24 = !{i32 2, !"Debug Info Version", i32 3}114!25 = !{!"clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)"}115!26 = !DIExpression(DW_OP_deref)116!27 = !DILocation(line: 4, column: 12, scope: !4)117!28 = !DILocation(line: 4, column: 19, scope: !4)118!29 = !DILocation(line: 4, column: 26, scope: !4)119!30 = !DILocation(line: 4, column: 33, scope: !4)120!31 = !DILocation(line: 4, column: 40, scope: !4)121!32 = !DILocation(line: 5, column: 3, scope: !4)122!33 = !DILocation(line: 5, column: 13, scope: !4)123!34 = !DILocation(line: 5, column: 17, scope: !4)124!35 = !DILocation(line: 5, column: 21, scope: !4)125!36 = !DILocation(line: 5, column: 25, scope: !4)126!37 = !DILocation(line: 5, column: 7, scope: !4)127!38 = !{!39, !39, i64 0}128!39 = !{!"int", !40, i64 0}129!40 = !{!"omnipotent char", !41, i64 0}130!41 = !{!"Simple C/C++ TBAA"}131!42 = !DILocation(line: 6, column: 3, scope: !4)132!43 = !DILocation(line: 7, column: 10, scope: !4)133!44 = !DILocation(line: 8, column: 1, scope: !4)134!45 = !DILocation(line: 7, column: 3, scope: !4)135!46 = !DILocation(line: 11, column: 12, scope: !15)136!47 = !DILocation(line: 11, column: 19, scope: !15)137!48 = !DILocation(line: 11, column: 26, scope: !15)138!49 = !DILocation(line: 11, column: 33, scope: !15)139!50 = !DILocation(line: 11, column: 40, scope: !15)140!51 = !DILocation(line: 12, column: 3, scope: !15)141!52 = !DILocation(line: 12, column: 42, scope: !15)142!53 = !DILocation(line: 12, column: 46, scope: !15)143!54 = !DILocation(line: 12, column: 50, scope: !15)144!55 = !DILocation(line: 12, column: 54, scope: !15)145!56 = !DILocation(line: 12, column: 7, scope: !15)146!57 = !DILocation(line: 13, column: 3, scope: !15)147!58 = !DILocation(line: 14, column: 10, scope: !15)148!59 = !DILocation(line: 15, column: 1, scope: !15)149!60 = !DILocation(line: 14, column: 3, scope: !15)150