1; RUN: llvm-reduce --abort-on-invalid-reduction --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t --try-experimental-debuginfo-iterators 2; RUN: FileCheck --check-prefixes=CHECK-FINAL --input-file=%t %s --implicit-check-not=dbg.value 3 4; Test that we can, in RemoveDIs mode / DbgVariableRecords mode (where variable location 5; information isn't an instruction), remove one variable location assignment 6; but not another. 7 8; CHECK-INTERESTINGNESS: call void @llvm.dbg.value(metadata i32 %added, 9 10; CHECK-FINAL: declare void @llvm.dbg.value(metadata, 11; CHECK-FINAL: %added = add 12; CHECK-FINAL-NEXT: call void @llvm.dbg.value(metadata i32 %added, 13 14declare void @llvm.dbg.value(metadata, metadata, metadata) 15 16define i32 @main() !dbg !7 { 17entry: 18 %uninteresting1 = alloca i32, align 4 19 %interesting = alloca i32, align 4 20 %uninteresting2 = alloca i32, align 4 21 store i32 0, ptr %uninteresting1, align 4 22 store i32 0, ptr %interesting, align 4 23 %0 = load i32, ptr %interesting, align 4 24 %added = add nsw i32 %0, 1 25 tail call void @llvm.dbg.value(metadata i32 %added, metadata !13, metadata !DIExpression()), !dbg !14 26 store i32 %added, ptr %interesting, align 4 27 %alsoloaded = load i32, ptr %interesting, align 4 28 tail call void @llvm.dbg.value(metadata i32 %alsoloaded, metadata !13, metadata !DIExpression()), !dbg !14 29 store i32 %alsoloaded, ptr %uninteresting2, align 4 30 ret i32 0 31} 32 33!llvm.dbg.cu = !{!0} 34!llvm.module.flags = !{!2, !3, !4, !5, !6} 35 36!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 14.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) 37!1 = !DIFile(filename: "/tmp/a.c", directory: "/") 38!2 = !{i32 7, !"Dwarf Version", i32 4} 39!3 = !{i32 2, !"Debug Info Version", i32 3} 40!4 = !{i32 1, !"wchar_size", i32 4} 41!5 = !{i32 7, !"uwtable", i32 1} 42!6 = !{i32 7, !"frame-pointer", i32 2} 43!7 = distinct !DISubprogram(name: "main", scope: !8, file: !8, line: 1, type: !9, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12) 44!8 = !DIFile(filename: "/tmp/a.c", directory: "") 45!9 = !DISubroutineType(types: !10) 46!10 = !{!11} 47!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 48!12 = !{} 49!13 = !DILocalVariable(name: "a", scope: !7, file: !8, line: 2, type: !11) 50!14 = !DILocation(line: 2, column: 7, scope: !7) 51 52