1; RUN: llc < %s -filetype=obj | llvm-dwarfdump -v -debug-info - | FileCheck %s 2; RUN: llc < %s -filetype=obj -regalloc=basic | llvm-dwarfdump -v -debug-info - | FileCheck %s 3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 4target triple = "x86_64-apple-darwin10.0.0" 5 6; Check debug info for variable z_s 7; CHECK: DW_TAG_subprogram 8; CHECK: DW_TAG_subprogram 9; CHECK: DW_TAG_variable 10; CHECK: DW_TAG_variable 11; CHECK-NEXT: DW_AT_location 12; CHECK-NOT: DW_{{TAG|AT}} 13; CHECK: DW_AT_name {{.*}} "z_s" 14; CHECK-NEXT: DW_AT_decl_file 15; CHECK-NEXT: DW_AT_decl_line 16; CHECK-NEXT: DW_AT_type{{.*}}{[[TYPE:.*]]} 17; CHECK: [[TYPE]]: 18; CHECK-NEXT: DW_AT_name {{.*}} "int" 19 20 21@.str1 = private unnamed_addr constant [14 x i8] c"m=%u, z_s=%d\0A\00" 22@str = internal constant [21 x i8] c"Failing test vector:\00" 23 24define i64 @gcd(i64 %a, i64 %b) nounwind readnone optsize noinline ssp !dbg !0 { 25entry: 26 tail call void @llvm.dbg.value(metadata i64 %a, i64 0, metadata !10, metadata !DIExpression()), !dbg !18 27 tail call void @llvm.dbg.value(metadata i64 %b, i64 0, metadata !11, metadata !DIExpression()), !dbg !19 28 br label %while.body, !dbg !20 29 30while.body: ; preds = %while.body, %entry 31 %b.addr.0 = phi i64 [ %b, %entry ], [ %rem, %while.body ] 32 %a.addr.0 = phi i64 [ %a, %entry ], [ %b.addr.0, %while.body ] 33 %rem = srem i64 %a.addr.0, %b.addr.0, !dbg !21 34 %cmp = icmp eq i64 %rem, 0, !dbg !23 35 br i1 %cmp, label %if.then, label %while.body, !dbg !23 36 37if.then: ; preds = %while.body 38 tail call void @llvm.dbg.value(metadata i64 %rem, i64 0, metadata !12, metadata !DIExpression()), !dbg !21 39 ret i64 %b.addr.0, !dbg !23 40} 41 42define i32 @main() nounwind optsize ssp !dbg !6 { 43entry: 44 %call = tail call i32 @rand() nounwind optsize, !dbg !24 45 tail call void @llvm.dbg.value(metadata i32 %call, i64 0, metadata !14, metadata !DIExpression()), !dbg !24 46 %cmp = icmp ugt i32 %call, 21, !dbg !25 47 br i1 %cmp, label %cond.true, label %cond.end, !dbg !25 48 49cond.true: ; preds = %entry 50 %call1 = tail call i32 @rand() nounwind optsize, !dbg !25 51 br label %cond.end, !dbg !25 52 53cond.end: ; preds = %entry, %cond.true 54 %cond = phi i32 [ %call1, %cond.true ], [ %call, %entry ], !dbg !25 55 tail call void @llvm.dbg.value(metadata i32 %cond, i64 0, metadata !17, metadata !DIExpression()), !dbg !25 56 %conv = sext i32 %cond to i64, !dbg !26 57 %conv5 = zext i32 %call to i64, !dbg !26 58 %call6 = tail call i64 @gcd(i64 %conv, i64 %conv5) optsize, !dbg !26 59 %cmp7 = icmp eq i64 %call6, 0 60 br i1 %cmp7, label %return, label %if.then, !dbg !26 61 62if.then: ; preds = %cond.end 63 %puts = tail call i32 @puts(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0)) 64 %call12 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str1, i64 0, i64 0), i32 %call, i32 %cond) nounwind optsize, !dbg !26 65 ret i32 1, !dbg !27 66 67return: ; preds = %cond.end 68 ret i32 0, !dbg !27 69} 70 71declare i32 @rand() optsize 72 73declare i32 @printf(i8* nocapture, ...) nounwind optsize 74 75declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone 76 77declare i32 @puts(i8* nocapture) nounwind 78 79!llvm.dbg.cu = !{!2} 80!llvm.module.flags = !{!33} 81 82!0 = distinct !DISubprogram(name: "gcd", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, file: !31, scope: !1, type: !3, retainedNodes: !29) 83!1 = !DIFile(filename: "rem_small.c", directory: "/private/tmp") 84!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 124117)", isOptimized: true, emissionKind: FullDebug, file: !31, enums: !32, retainedTypes: !32, imports: null) 85!3 = !DISubroutineType(types: !4) 86!4 = !{!5} 87!5 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed) 88!6 = distinct !DISubprogram(name: "main", line: 25, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !2, file: !31, scope: !1, type: !7, retainedNodes: !30) 89!7 = !DISubroutineType(types: !8) 90!8 = !{!9} 91!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 92!10 = !DILocalVariable(name: "a", line: 5, arg: 1, scope: !0, file: !1, type: !5) 93!11 = !DILocalVariable(name: "b", line: 5, arg: 2, scope: !0, file: !1, type: !5) 94!12 = !DILocalVariable(name: "c", line: 6, scope: !13, file: !1, type: !5) 95!13 = distinct !DILexicalBlock(line: 5, column: 52, file: !31, scope: !0) 96!14 = !DILocalVariable(name: "m", line: 26, scope: !15, file: !1, type: !16) 97!15 = distinct !DILexicalBlock(line: 25, column: 12, file: !31, scope: !6) 98!16 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 99!17 = !DILocalVariable(name: "z_s", line: 27, scope: !15, file: !1, type: !9) 100!18 = !DILocation(line: 5, column: 41, scope: !0) 101!19 = !DILocation(line: 5, column: 49, scope: !0) 102!20 = !DILocation(line: 7, column: 5, scope: !13) 103!21 = !DILocation(line: 8, column: 9, scope: !22) 104!22 = distinct !DILexicalBlock(line: 7, column: 14, file: !31, scope: !13) 105!23 = !DILocation(line: 9, column: 9, scope: !22) 106!24 = !DILocation(line: 26, column: 38, scope: !15) 107!25 = !DILocation(line: 27, column: 38, scope: !15) 108!26 = !DILocation(line: 28, column: 9, scope: !15) 109!27 = !DILocation(line: 30, column: 1, scope: !15) 110!29 = !{!10, !11, !12} 111!30 = !{!14, !17} 112!31 = !DIFile(filename: "rem_small.c", directory: "/private/tmp") 113!32 = !{} 114!33 = !{i32 1, !"Debug Info Version", i32 3} 115