forked from OSchip/llvm-project
187 lines
11 KiB
LLVM
187 lines
11 KiB
LLVM
; REQUIRES: x86_64-linux
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; RUN: opt < %s -simplifycfg -S -o %t
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; RUN: FileCheck %s < %t
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; Test to make sure the dangling probe's metadata not being dropped.
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; CHECK: define dso_local i32 @foo
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; CHECK: call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 5, i32 2, i64 -1), !dbg ![[#]]
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; Function Attrs: nounwind uwtable
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define dso_local i32 @foo(i32* nocapture %marker, i32* nocapture %move_ordering, i32* nocapture %moves, i32 %num_moves) local_unnamed_addr #0 !dbg !10 {
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entry:
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call void @llvm.dbg.value(metadata i32* %marker, metadata !19, metadata !DIExpression()), !dbg !28
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call void @llvm.dbg.value(metadata i32* %move_ordering, metadata !20, metadata !DIExpression()), !dbg !28
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call void @llvm.dbg.value(metadata i32* %moves, metadata !21, metadata !DIExpression()), !dbg !28
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call void @llvm.dbg.value(metadata i32 %num_moves, metadata !22, metadata !DIExpression()), !dbg !28
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 1, i32 0, i64 -1), !dbg !29
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call void @llvm.dbg.value(metadata i32 -1000000, metadata !25, metadata !DIExpression()), !dbg !28
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%0 = load i32, i32* %marker, align 4, !dbg !30, !tbaa !31
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%inc = add nsw i32 %0, 1, !dbg !30
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store i32 %inc, i32* %marker, align 4, !dbg !30, !tbaa !31
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call void @llvm.dbg.value(metadata i32 %inc, metadata !27, metadata !DIExpression()), !dbg !28
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%cmp = icmp slt i32 %0, 9, !dbg !35
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br i1 %cmp, label %for.cond, label %if.else, !dbg !37
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for.cond: ; preds = %entry, %for.inc
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%i.0 = phi i32 [ %inc6, %for.inc ], [ %inc, %entry ], !dbg !38
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%best.0 = phi i32 [ %best.1, %for.inc ], [ -1000000, %entry ], !dbg !28
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%tmp.0 = phi i32 [ %tmp.1, %for.inc ], [ undef, %entry ]
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 2, i32 2, i64 -1), !dbg !41
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call void @llvm.dbg.value(metadata i32 %tmp.0, metadata !26, metadata !DIExpression()), !dbg !28
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call void @llvm.dbg.value(metadata i32 %best.0, metadata !25, metadata !DIExpression()), !dbg !28
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call void @llvm.dbg.value(metadata i32 %i.0, metadata !24, metadata !DIExpression()), !dbg !28
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 3, i32 0, i64 -1), !dbg !42
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%cmp1 = icmp slt i32 %i.0, %num_moves, !dbg !44
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br i1 %cmp1, label %for.body, label %if.end12, !dbg !45
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for.body: ; preds = %for.cond
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 4, i32 0, i64 -1), !dbg !46
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%idxprom = sext i32 %i.0 to i64, !dbg !46
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%arrayidx = getelementptr inbounds i32, i32* %move_ordering, i64 %idxprom, !dbg !46
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%1 = load i32, i32* %arrayidx, align 4, !dbg !46, !tbaa !31
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%cmp2 = icmp sgt i32 %1, %best.0, !dbg !49
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br i1 %cmp2, label %if.then3, label %for.inc, !dbg !50
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if.then3: ; preds = %for.body
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 5, i32 0, i64 -1), !dbg !51
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call void @llvm.dbg.value(metadata i32 %1, metadata !25, metadata !DIExpression()), !dbg !28
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call void @llvm.dbg.value(metadata i32 %i.0, metadata !26, metadata !DIExpression()), !dbg !28
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br label %for.inc, !dbg !53
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for.inc: ; preds = %for.body, %if.then3
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%best.1 = phi i32 [ %1, %if.then3 ], [ %best.0, %for.body ], !dbg !28
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%tmp.1 = phi i32 [ %i.0, %if.then3 ], [ %tmp.0, %for.body ]
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call void @llvm.dbg.value(metadata i32 %tmp.1, metadata !26, metadata !DIExpression()), !dbg !28
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call void @llvm.dbg.value(metadata i32 %best.1, metadata !25, metadata !DIExpression()), !dbg !28
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 6, i32 0, i64 -1), !dbg !54
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 7, i32 0, i64 -1), !dbg !55
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%inc6 = add nsw i32 %i.0, 1, !dbg !55
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call void @llvm.dbg.value(metadata i32 %inc6, metadata !24, metadata !DIExpression()), !dbg !28
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br label %for.cond, !dbg !56, !llvm.loop !57
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if.else: ; preds = %entry
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 9, i32 0, i64 -1), !dbg !59
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%cmp7 = icmp slt i32 %inc, %num_moves, !dbg !61
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br i1 %cmp7, label %cleanup, label %if.end12, !dbg !62
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if.end12: ; preds = %if.else, %for.cond
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%best.2 = phi i32 [ %best.0, %for.cond ], [ -1000000, %if.else ], !dbg !63
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%tmp.2 = phi i32 [ %tmp.0, %for.cond ], [ undef, %if.else ]
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call void @llvm.dbg.value(metadata i32 %tmp.2, metadata !26, metadata !DIExpression()), !dbg !28
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call void @llvm.dbg.value(metadata i32 %best.2, metadata !25, metadata !DIExpression()), !dbg !28
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 11, i32 2, i64 -1), !dbg !28
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 8, i32 2, i64 -1), !dbg !64
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 12, i32 0, i64 -1), !dbg !65
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%cmp13 = icmp sgt i32 %best.2, -1000000, !dbg !67
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br i1 %cmp13, label %if.then14, label %cleanup, !dbg !68
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if.then14: ; preds = %if.end12
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 13, i32 0, i64 -1), !dbg !69
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br label %cleanup, !dbg !78
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cleanup: ; preds = %if.end12, %if.else, %if.then14
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%retval.0 = phi i32 [ 1, %if.then14 ], [ 1, %if.else ], [ 0, %if.end12 ], !dbg !28
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call void @llvm.pseudoprobe(i64 -4224472938262609671, i64 14, i32 2, i64 -1), !dbg !79
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ret i32 %retval.0, !dbg !83
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}
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; Function Attrs: inaccessiblememonly nounwind willreturn mustprogress
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declare void @llvm.pseudoprobe(i64, i64, i32, i64) #1
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; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
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declare void @llvm.dbg.value(metadata, metadata, metadata) #2
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attributes #0 = { nounwind uwtable "disable-tail-calls"="true" "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #1 = { inaccessiblememonly nounwind willreturn mustprogress }
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attributes #2 = { nofree nosync nounwind readnone speculatable willreturn }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6, !7}
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!llvm.ident = !{!8}
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!llvm.pseudo_probe_desc = !{!9}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 13.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "test.cpp", directory: "")
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!2 = !{}
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!3 = !{i32 7, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{i32 1, !"ThinLTO", i32 0}
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!7 = !{i32 1, !"EnableSplitLTOUnit", i32 1}
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!8 = !{!"clang version 13.0.0"}
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!9 = !{i64 -4224472938262609671, i64 328037311046, !"foo", null}
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!10 = distinct !DISubprogram(name: "remove_one_fast", linkageName: "foo", scope: !1, file: !1, line: 8, type: !11, scopeLine: 9, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !18)
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!11 = !DISubroutineType(types: !12)
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!12 = !{!13, !14, !14, !15, !17}
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!13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64)
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!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)
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!16 = !DIDerivedType(tag: DW_TAG_typedef, name: "move_s", file: !1, line: 6, baseType: !13)
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!17 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !13)
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!18 = !{!19, !20, !21, !22, !23, !24, !25, !26, !27}
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!19 = !DILocalVariable(name: "marker", arg: 1, scope: !10, file: !1, line: 8, type: !14)
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!20 = !DILocalVariable(name: "move_ordering", arg: 2, scope: !10, file: !1, line: 8, type: !14)
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!21 = !DILocalVariable(name: "moves", arg: 3, scope: !10, file: !1, line: 9, type: !15)
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!22 = !DILocalVariable(name: "num_moves", arg: 4, scope: !10, file: !1, line: 9, type: !17)
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!23 = !DILocalVariable(name: "tmpmv", scope: !10, file: !1, line: 10, type: !16)
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!24 = !DILocalVariable(name: "i", scope: !10, file: !1, line: 11, type: !13)
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!25 = !DILocalVariable(name: "best", scope: !10, file: !1, line: 11, type: !13)
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!26 = !DILocalVariable(name: "tmp", scope: !10, file: !1, line: 12, type: !13)
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!27 = !DILocalVariable(name: "mark", scope: !10, file: !1, line: 12, type: !13)
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!28 = !DILocation(line: 0, scope: !10)
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!29 = !DILocation(line: 10, column: 5, scope: !10)
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!30 = !DILocation(line: 14, column: 14, scope: !10)
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!31 = !{!32, !32, i64 0}
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!32 = !{!"int", !33, i64 0}
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!33 = !{!"omnipotent char", !34, i64 0}
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!34 = !{!"Simple C++ TBAA"}
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!35 = !DILocation(line: 17, column: 14, scope: !36)
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!36 = distinct !DILexicalBlock(scope: !10, file: !1, line: 17, column: 9)
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!37 = !DILocation(line: 17, column: 9, scope: !10)
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!38 = !DILocation(line: 0, scope: !39)
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!39 = distinct !DILexicalBlock(scope: !40, file: !1, line: 18, column: 9)
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!40 = distinct !DILexicalBlock(scope: !36, file: !1, line: 17, column: 20)
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!41 = !DILocation(line: 18, column: 18, scope: !39)
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!42 = !DILocation(line: 18, column: 24, scope: !43)
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!43 = distinct !DILexicalBlock(scope: !39, file: !1, line: 18, column: 9)
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!44 = !DILocation(line: 18, column: 26, scope: !43)
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!45 = !DILocation(line: 18, column: 9, scope: !39)
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!46 = !DILocation(line: 19, column: 17, scope: !47)
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!47 = distinct !DILexicalBlock(scope: !48, file: !1, line: 19, column: 17)
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!48 = distinct !DILexicalBlock(scope: !43, file: !1, line: 18, column: 44)
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!49 = !DILocation(line: 19, column: 34, scope: !47)
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!50 = !DILocation(line: 19, column: 17, scope: !48)
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!51 = !DILocation(line: 20, column: 24, scope: !52)
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!52 = distinct !DILexicalBlock(scope: !47, file: !1, line: 19, column: 42)
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!53 = !DILocation(line: 22, column: 13, scope: !52)
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!54 = !DILocation(line: 23, column: 9, scope: !48)
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!55 = !DILocation(line: 18, column: 40, scope: !43)
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!56 = !DILocation(line: 18, column: 9, scope: !43)
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!57 = distinct !{!57, !45, !58}
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!58 = !DILocation(line: 23, column: 9, scope: !39)
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!59 = !DILocation(line: 24, column: 16, scope: !60)
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!60 = distinct !DILexicalBlock(scope: !36, file: !1, line: 24, column: 16)
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!61 = !DILocation(line: 24, column: 21, scope: !60)
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!62 = !DILocation(line: 24, column: 16, scope: !36)
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!63 = !DILocation(line: 11, column: 12, scope: !10)
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!64 = !DILocation(line: 24, column: 5, scope: !40)
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!65 = !DILocation(line: 31, column: 9, scope: !66)
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!66 = distinct !DILexicalBlock(scope: !10, file: !1, line: 31, column: 9)
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!67 = !DILocation(line: 31, column: 14, scope: !66)
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!68 = !DILocation(line: 31, column: 9, scope: !10)
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!69 = !DILocation(line: 35, column: 30, scope: !70)
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!70 = distinct !DILexicalBlock(scope: !66, file: !1, line: 31, column: 22)
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!71 = !DILocation(line: 35, column: 9, scope: !70)
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!72 = !DILocation(line: 35, column: 28, scope: !70)
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!73 = !DILocation(line: 36, column: 29, scope: !70)
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!74 = !DILocation(line: 38, column: 17, scope: !70)
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!75 = !DILocation(line: 39, column: 23, scope: !70)
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!76 = !DILocation(line: 39, column: 21, scope: !70)
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!77 = !DILocation(line: 40, column: 20, scope: !70)
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!78 = !DILocation(line: 42, column: 9, scope: !70)
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!79 = !DILocation(line: 44, column: 9, scope: !80)
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!80 = distinct !DILexicalBlock(scope: !66, file: !1, line: 43, column: 12)
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!81 = !DILocation(line: 25, column: 16, scope: !82)
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!82 = distinct !DILexicalBlock(scope: !60, file: !1, line: 24, column: 34)
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!83 = !DILocation(line: 46, column: 1, scope: !10)
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