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1; RUN: opt < %s -S -passes=jump-threading | FileCheck %s2 3; Test the debug location update of the newly created PHINode4; which replaces the select instruction in .exit block.5 6define i32 @unfold3(i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z, i32 %j) !dbg !5 {7; CHECK: .exit.thread4:8; CHECK-NEXT: [[TMP0:%.*]] = phi i32 {{.*}}, !dbg [[DBG29:![0-9]+]]9; CHECK-NEXT: ret i32 [[TMP0]], !dbg [[DBG30:![0-9]+]]10;11; CHECK: [[DBG29]] = !DILocation(line: 13,12;13entry:14 %add3 = add nsw i32 %j, 2, !dbg !1915 %cmp.i = icmp slt i32 %u, %v, !dbg !2016 br i1 %cmp.i, label %.exit, label %cond.false.i, !dbg !2117 18cond.false.i: ; preds = %entry19 %cmp4.i = icmp sgt i32 %u, %v, !dbg !2220 br i1 %cmp4.i, label %.exit, label %cond.false.6.i, !dbg !2321 22cond.false.6.i: ; preds = %cond.false.i23 %cmp8.i = icmp slt i32 %w, %x, !dbg !2424 br i1 %cmp8.i, label %.exit, label %cond.false.10.i, !dbg !2525 26cond.false.10.i: ; preds = %cond.false.6.i27 %cmp13.i = icmp sgt i32 %w, %x, !dbg !2628 br i1 %cmp13.i, label %.exit, label %cond.false.15.i, !dbg !2729 30cond.false.15.i: ; preds = %cond.false.10.i31 %phitmp = icmp sge i32 %y, %z, !dbg !2832 br label %.exit, !dbg !2933 34.exit: ; preds = %cond.false.15.i, %cond.false.10.i, %cond.false.6.i, %cond.false.i, %entry35 %cond23.i = phi i1 [ false, %entry ], [ true, %cond.false.i ], [ false, %cond.false.6.i ], [ %phitmp, %cond.false.15.i ], [ true, %cond.false.10.i ], !dbg !3036 %j.add3 = select i1 %cond23.i, i32 %j, i32 %add3, !dbg !3137 ret i32 %j.add3, !dbg !3238}39 40!llvm.dbg.cu = !{!0}41!llvm.debugify = !{!2, !3}42!llvm.module.flags = !{!4}43 44!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)45!1 = !DIFile(filename: "preserving-debugloc-trytofoldselect.ll", directory: "/")46!2 = !{i32 14}47!3 = !{i32 8}48!4 = !{i32 2, !"Debug Info Version", i32 3}49!5 = distinct !DISubprogram(name: "unfold3", linkageName: "unfold3", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)50!6 = !DISubroutineType(types: !7)51!7 = !{}52!8 = !{!9, !11, !13, !14, !15, !16, !17, !18}53!9 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 1, type: !10)54!10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)55!11 = !DILocalVariable(name: "2", scope: !5, file: !1, line: 2, type: !12)56!12 = !DIBasicType(name: "ty8", size: 8, encoding: DW_ATE_unsigned)57!13 = !DILocalVariable(name: "3", scope: !5, file: !1, line: 4, type: !12)58!14 = !DILocalVariable(name: "4", scope: !5, file: !1, line: 6, type: !12)59!15 = !DILocalVariable(name: "5", scope: !5, file: !1, line: 8, type: !12)60!16 = !DILocalVariable(name: "6", scope: !5, file: !1, line: 10, type: !12)61!17 = !DILocalVariable(name: "7", scope: !5, file: !1, line: 12, type: !12)62!18 = !DILocalVariable(name: "8", scope: !5, file: !1, line: 13, type: !10)63!19 = !DILocation(line: 1, column: 1, scope: !5)64!20 = !DILocation(line: 2, column: 1, scope: !5)65!21 = !DILocation(line: 3, column: 1, scope: !5)66!22 = !DILocation(line: 4, column: 1, scope: !5)67!23 = !DILocation(line: 5, column: 1, scope: !5)68!24 = !DILocation(line: 6, column: 1, scope: !5)69!25 = !DILocation(line: 7, column: 1, scope: !5)70!26 = !DILocation(line: 8, column: 1, scope: !5)71!27 = !DILocation(line: 9, column: 1, scope: !5)72!28 = !DILocation(line: 10, column: 1, scope: !5)73!29 = !DILocation(line: 11, column: 1, scope: !5)74!30 = !DILocation(line: 12, column: 1, scope: !5)75!31 = !DILocation(line: 13, column: 1, scope: !5)76!32 = !DILocation(line: 14, column: 1, scope: !5)77