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a69a09c04c
Add a new reducer that drops metadata that does not contribute to the crash from instructions. It adjusts the metadata.ll test case, as now also the instruction level metadata will get dropped. Reviewers: davide, reames, modocache Reviewed By: reames Differential Revision: https://reviews.llvm.org/D69234
55 lines
2.2 KiB
LLVM
55 lines
2.2 KiB
LLVM
; REQUIRES: plugins
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; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crashcalls -silence-passes -disable-namedmd-remove -disable-strip-debuginfo -disable-strip-debug-types > /dev/null
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; RUN: llvm-dis %t-reduced-simplified.bc -o - | FileCheck %s
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;
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; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t-nodebug -bugpoint-crashcalls -silence-passes -disable-namedmd-remove > /dev/null
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; RUN: llvm-dis %t-nodebug-reduced-simplified.bc -o - | FileCheck %s --check-prefix=NODEBUG
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;
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; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t-notype -bugpoint-crashcalls -silence-passes -disable-namedmd-remove -disable-strip-debuginfo > /dev/null
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; RUN: llvm-dis %t-notype-reduced-simplified.bc -o - | FileCheck %s --check-prefix=NOTYPE
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;
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; Bugpoint can drop the metadata on the call, as it does not contrinute to the crash.
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; CHECK: call void @foo()
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; NODEBUG: call void @foo()
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; NOTYPE: call void @foo()
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; NODEBUG-NOT: call void @foo()
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; NOTYPE-NOT: !DIBasicType
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; NOTYPE: !DICompileUnit
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; NOTYPE-NOT: !DIBasicType
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%rust_task = type {}
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define void @test(i32* %a, i8* %b) !dbg !9 {
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%s = mul i8 22, 9, !attach !0, !dbg !10
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store i8 %s, i8* %b, !attach !1, !dbg !11
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call void @foo(), !attach !2, !dbg !12
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store i32 7, i32* %a, !attach !3, !dbg !13
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%t = add i32 0, 5, !attach !4, !dbg !14
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ret void
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}
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declare void @foo()
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!llvm.module.flags = !{!17}
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!llvm.dbg.cu = !{!8}
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!0 = !{!"boring"}
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!1 = !{!"uninteresting"}
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!2 = !{!"the call to foo"}
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!3 = !{!"noise"}
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!4 = !{!"filler"}
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!8 = distinct !DICompileUnit(language: DW_LANG_C99, file: !15)
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!9 = distinct !DISubprogram(name: "test", file: !15, type: !18, unit: !8)
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!10 = !DILocation(line: 100, column: 101, scope: !9)
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!11 = !DILocation(line: 102, column: 103, scope: !9)
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!12 = !DILocation(line: 104, column: 105, scope: !9)
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!13 = !DILocation(line: 106, column: 107, scope: !9)
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!14 = !DILocation(line: 108, column: 109, scope: !9)
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!15 = !DIFile(filename: "source.c", directory: "/dir")
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!16 = !{}
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!17 = !{i32 1, !"Debug Info Version", i32 3}
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!18 = !DISubroutineType(types: !19)
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!19 = !{!20, !20}
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!20 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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