1 ; RUN: llc -filetype=obj -o - < %s | llvm-dwarfdump - | FileCheck %s 2 ; 3 ; Checks that we're creating two ranges, one that terminates immediately 4 ; and one that spans the rest of the function. This isn't necessarily the 5 ; best thing to do here (and also not necessarily correct, since the first 6 ; one has a bit_piece), but it is what is currently being emitted, any 7 ; change here needs to be intentional, so the test is very specific. 8 ; 9 ; CHECK: .debug_loc contents: 10 ; CHECK: 0x00000000: Beginning address offset: 0x0000000000000004 11 ; CHECK: Ending address offset: 0x0000000000000004 12 ; CHECK: Location description: 10 00 9f 13 ; CHECK: Beginning address offset: 0x0000000000000004 14 ; CHECK: Ending address offset: 0x0000000000000014 15 ; CHECK: Location description: 10 00 9f 16 17 ; Created form the following test case (PR26163) with 18 ; clang -cc1 -triple armv4t--freebsd11.0-gnueabi -emit-obj -debug-info-kind=standalone -O2 -x c test.c 19 ; 20 ; typedef unsigned int size_t; 21 ; struct timeval { 22 ; long long tv_sec; 23 ; int tv_usec; 24 ; }; 25 ; 26 ; void *memset(void *, int, size_t); 27 ; void foo(void); 28 ; 29 ; static void 30 ; bar(int value) 31 ; { 32 ; struct timeval lifetime; 33 ; 34 ; memset(&lifetime, 0, sizeof(struct timeval)); 35 ; lifetime.tv_sec = value; 36 ; 37 ; foo(); 38 ; } 39 ; 40 ; int 41 ; parse_config_file(void) 42 ; { 43 ; int value; 44 ; 45 ; bar(value); 46 ; return (0); 47 ; } 48 49 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 50 target triple = "armv4t--freebsd11.0-gnueabi" 51 52 %struct.timeval = type { i64, i32 } 53 54 declare void @llvm.dbg.declare(metadata, metadata, metadata) 55 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) 56 57 declare void @foo() 58 59 define i32 @parse_config_file() !dbg !4 { 60 entry: 61 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !26), !dbg !27 62 tail call void @llvm.dbg.declare(metadata %struct.timeval* undef, metadata !16, metadata !26), !dbg !29 63 tail call void @llvm.dbg.value(metadata i64 0, i64 0, metadata !16, metadata !30), !dbg !29 64 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !31), !dbg !29 65 tail call void @foo() #3, !dbg !32 66 ret i32 0, !dbg !33 67 } 68 69 70 !llvm.dbg.cu = !{!0} 71 !llvm.module.flags = !{!22, !23, !24} 72 !llvm.ident = !{!25} 73 74 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (https://github.com/llvm-mirror/clang 89dda3855cda574f355e6defa1d77bdae5053994) (llvm/trunk 257891)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 75 !1 = !DIFile(filename: "<stdin>", directory: "/home/ubuntu/bugs") 76 !2 = !{} 77 !4 = distinct !DISubprogram(name: "parse_config_file", scope: !5, file: !5, line: 22, type: !6, isLocal: false, isDefinition: true, scopeLine: 23, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !9) 78 !5 = !DIFile(filename: "test.c", directory: "/home/ubuntu/bugs") 79 !6 = !DISubroutineType(types: !7) 80 !7 = !{!8} 81 !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 82 !9 = !{!10} 83 !10 = !DILocalVariable(name: "value", scope: !4, file: !5, line: 24, type: !8) 84 !11 = distinct !DISubprogram(name: "bar", scope: !5, file: !5, line: 11, type: !12, isLocal: true, isDefinition: true, scopeLine: 12, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !14) 85 !12 = !DISubroutineType(types: !13) 86 !13 = !{null, !8} 87 !14 = !{!15, !16} 88 !15 = !DILocalVariable(name: "value", arg: 1, scope: !11, file: !5, line: 11, type: !8) 89 !16 = !DILocalVariable(name: "lifetime", scope: !11, file: !5, line: 13, type: !17) 90 !17 = !DICompositeType(tag: DW_TAG_structure_type, name: "timeval", file: !5, line: 2, size: 128, align: 64, elements: !18) 91 !18 = !{!19, !21} 92 !19 = !DIDerivedType(tag: DW_TAG_member, name: "tv_sec", scope: !17, file: !5, line: 3, baseType: !20, size: 64, align: 64) 93 !20 = !DIBasicType(name: "long long int", size: 64, align: 64, encoding: DW_ATE_signed) 94 !21 = !DIDerivedType(tag: DW_TAG_member, name: "tv_usec", scope: !17, file: !5, line: 4, baseType: !8, size: 32, align: 32, offset: 64) 95 !22 = !{i32 2, !"Debug Info Version", i32 3} 96 !23 = !{i32 1, !"wchar_size", i32 4} 97 !24 = !{i32 1, !"min_enum_size", i32 4} 98 !25 = !{!"clang version 3.9.0 (https://github.com/llvm-mirror/clang 89dda3855cda574f355e6defa1d77bdae5053994) (llvm/trunk 257891)"} 99 !26 = !DIExpression() 100 !27 = !DILocation(line: 11, scope: !11, inlinedAt: !28) 101 !28 = distinct !DILocation(line: 26, scope: !4) 102 !29 = !DILocation(line: 13, scope: !11, inlinedAt: !28) 103 !30 = !DIExpression(DW_OP_bit_piece, 0, 64) 104 !31 = !DIExpression(DW_OP_bit_piece, 0, 32) 105 !32 = !DILocation(line: 18, scope: !11, inlinedAt: !28) 106 !33 = !DILocation(line: 27, scope: !4) 107
