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1; RUN: opt -S -loop-reduce %s | FileCheck %s2;3; Test that LSR SCEV-based salvaging does not crash when translating SCEVs4; that contain integers with binary representations greater than 64-bits.5; Also show that no salvaging attempt is made for dbg.value that are undef6; pre-LSR.7;8; CHECK: #dbg_value(i64 undef, !{{[0-9]+}}, !DIExpression(DW_OP_plus_uconst, 228, DW_OP_stack_value),9; CHECK: #dbg_value(i64 %var2, !{{[0-9]+}}, !DIExpression(DW_OP_plus_uconst, 228, DW_OP_stack_value),10 11 12target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"13target triple = "x86_64-unknown-linux-gnu"14 15; Function Attrs: nofree nosync nounwind readnone speculatable willreturn16declare void @llvm.dbg.value(metadata, metadata, metadata)17 18; Function Attrs: nounwind19define hidden void @reproducer() local_unnamed_addr !dbg !5 {20init:21 %0 = lshr i128 undef, 6422 %var1 = trunc i128 %0 to i6423 %1 = add nuw i64 undef, %var124 %var2 = lshr i64 %1, 1225 br label %Label_d026 27Label_d0: ; preds = %Label_d0, %init28 %var3 = phi i64 [ %var2, %init ], [ %var4, %Label_d0 ]29 call void @llvm.dbg.value(metadata i64 undef, metadata !11, metadata !DIExpression(DW_OP_plus_uconst, 228, DW_OP_stack_value)), !dbg !1230 call void @llvm.dbg.value(metadata i64 %var2, metadata !11, metadata !DIExpression(DW_OP_plus_uconst, 228, DW_OP_stack_value)), !dbg !1231 %var4 = add i64 %var3, -132 %var5 = icmp eq i64 %var4, 033 br i1 %var5, label %Label_1bc, label %Label_d034 35Label_1bc: ; preds = %Label_d036 ret void37}38 39!llvm.dbg.cu = !{!0}40!llvm.module.flags = !{!3, !4}41 42!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "frontend", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)43!1 = !DIFile(filename: "source", directory: "")44!2 = !{}45!3 = !{i32 2, !"Debug Info Version", i32 3}46!4 = !{i32 1, !"wchar_size", i32 4}47!5 = distinct !DISubprogram(name: "reproducer", scope: !1, file: !1, line: 904320, type: !6, scopeLine: 904320, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !10)48!6 = !DISubroutineType(types: !7)49!7 = !{null, !8, !9, !9, !9, !9, !9, !9}50!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)51!9 = !DIBasicType(name: "my_type", size: 64, encoding: DW_ATE_unsigned)52!10 = !{!11}53!11 = !DILocalVariable(name: "my_var", arg: 1, scope: !5, file: !1, line: 904320, type: !8)54!12 = !DILocation(line: 904544, scope: !5)