51 lines
2.3 KiB
LLVM
51 lines
2.3 KiB
LLVM
; RUN: llvm-reduce --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t --try-experimental-debuginfo-iterators
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; RUN: FileCheck --check-prefixes=CHECK-FINAL --input-file=%t %s --implicit-check-not=dbg.value
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; Test that we can, in RemoveDIs mode / DPValues mode (where variable location
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; information isn't an instruction), remove one variable location assignment
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; but not another.
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; CHECK-INTERESTINGNESS: call void @llvm.dbg.value(metadata i32 %added,
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; CHECK-FINAL: declare void @llvm.dbg.value(metadata,
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; CHECK-FINAL: %added = add
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; CHECK-FINAL-NEXT: call void @llvm.dbg.value(metadata i32 %added,
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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define i32 @main() !dbg !7 {
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entry:
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%uninteresting1 = alloca i32, align 4
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%interesting = alloca i32, align 4
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%uninteresting2 = alloca i32, align 4
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store i32 0, ptr %uninteresting1, align 4
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store i32 0, ptr %interesting, align 4
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%0 = load i32, ptr %interesting, align 4
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%added = add nsw i32 %0, 1
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tail call void @llvm.dbg.value(metadata i32 %added, metadata !13, metadata !DIExpression()), !dbg !14
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store i32 %added, ptr %interesting, align 4
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%alsoloaded = load i32, ptr %interesting, align 4
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tail call void @llvm.dbg.value(metadata i32 %alsoloaded, metadata !13, metadata !DIExpression()), !dbg !14
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store i32 %alsoloaded, ptr %uninteresting2, align 4
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ret i32 0
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3, !4, !5, !6}
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!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)
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!1 = !DIFile(filename: "/tmp/a.c", directory: "/")
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!2 = !{i32 7, !"Dwarf Version", i32 4}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = !{i32 1, !"wchar_size", i32 4}
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!5 = !{i32 7, !"uwtable", i32 1}
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!6 = !{i32 7, !"frame-pointer", i32 2}
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!7 = distinct !DISubprogram(name: "main", scope: !8, file: !8, line: 1, type: !9, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12)
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!8 = !DIFile(filename: "/tmp/a.c", directory: "")
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11}
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!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!12 = !{}
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!13 = !DILocalVariable(name: "a", scope: !7, file: !8, line: 2, type: !11)
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!14 = !DILocation(line: 2, column: 7, scope: !7)
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