| ; RUN: opt %s -passes=loop-deletion -S | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.14.0" |
| |
| @a = common local_unnamed_addr global i32 0, align 4, !dbg !0 |
| |
| define i32 @b() local_unnamed_addr !dbg !12 { |
| entry: |
| call void @llvm.dbg.value(metadata i32 0, metadata !16, metadata !DIExpression()), !dbg !17 |
| br label %for.cond, !dbg !18 |
| |
| for.cond: ; preds = %for.cond, %entry |
| %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.cond ], !dbg !20 |
| call void @llvm.dbg.value(metadata i32 %i.0, metadata !16, metadata !DIExpression()), !dbg !17 |
| %inc = add nuw nsw i32 %i.0, 1, !dbg !21 |
| call void @llvm.dbg.value(metadata i32 %inc, metadata !16, metadata !DIExpression()), !dbg !17 |
| %exitcond = icmp ne i32 %inc, 3, !dbg !23 |
| br i1 %exitcond, label %for.cond, label %for.end, !dbg !24, !llvm.loop !25 |
| |
| ; CHECK: call void @llvm.dbg.value(metadata i32 undef, metadata !16, metadata !DIExpression()), !dbg !17 |
| ; CHECK-NEXT: %call = tail call i32 {{.*}} @patatino() |
| for.end: ; preds = %for.cond |
| %call = tail call i32 (...) @patatino() #3, !dbg !27 |
| %0 = load i32, ptr @a, align 4, !dbg !28 |
| ret i32 %0, !dbg !33 |
| } |
| |
| declare i32 @patatino(...) local_unnamed_addr |
| |
| define i32 @main() local_unnamed_addr !dbg !34 { |
| entry: |
| %call = call i32 @b(), !dbg !35 |
| ret i32 0, !dbg !36 |
| } |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!7, !8, !9, !10} |
| !llvm.ident = !{!11} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 8.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: GNU) |
| !3 = !DIFile(filename: "a.c", directory: "/Users/davide/work/llvm-project-20170507/build-debug/bin") |
| !4 = !{} |
| !5 = !{!0} |
| !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !7 = !{i32 2, !"Dwarf Version", i32 4} |
| !8 = !{i32 2, !"Debug Info Version", i32 3} |
| !9 = !{i32 1, !"wchar_size", i32 4} |
| !10 = !{i32 7, !"PIC Level", i32 2} |
| !11 = !{!"clang version 8.0.0 "} |
| !12 = distinct !DISubprogram(name: "b", scope: !3, file: !3, line: 2, type: !13, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !15) |
| !13 = !DISubroutineType(types: !14) |
| !14 = !{!6} |
| !15 = !{!16} |
| !16 = !DILocalVariable(name: "i", scope: !12, file: !3, line: 3, type: !6) |
| !17 = !DILocation(line: 3, column: 7, scope: !12) |
| !18 = !DILocation(line: 4, column: 8, scope: !19) |
| !19 = distinct !DILexicalBlock(scope: !12, file: !3, line: 4, column: 3) |
| !20 = !DILocation(line: 0, scope: !19) |
| !21 = !DILocation(line: 4, column: 23, scope: !22) |
| !22 = distinct !DILexicalBlock(scope: !19, file: !3, line: 4, column: 3) |
| !23 = !DILocation(line: 4, column: 17, scope: !22) |
| !24 = !DILocation(line: 4, column: 3, scope: !19) |
| !25 = distinct !{!25, !24, !26} |
| !26 = !DILocation(line: 5, column: 5, scope: !19) |
| !27 = !DILocation(line: 6, column: 3, scope: !12) |
| !28 = !DILocation(line: 7, column: 10, scope: !12) |
| !33 = !DILocation(line: 7, column: 3, scope: !12) |
| !34 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 9, type: !13, scopeLine: 9, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4) |
| !35 = !DILocation(line: 9, column: 14, scope: !34) |
| !36 = !DILocation(line: 9, column: 19, scope: !34) |