; REQUIRES: asserts ; RUN: llc -debug-only=isel %s -o /dev/null 2>&1 | FileCheck --match-full-lines %s target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" @str = private unnamed_addr constant [2 x i8] c"1\00", align 1 @str.12 = private unnamed_addr constant [2 x i8] c"2\00", align 1 @str.13 = private unnamed_addr constant [2 x i8] c"3\00", align 1 @str.14 = private unnamed_addr constant [2 x i8] c"4\00", align 1 @str.15 = private unnamed_addr constant [2 x i8] c"5\00", align 1 @str.16 = private unnamed_addr constant [2 x i8] c"6\00", align 1 @str.17 = private unnamed_addr constant [2 x i8] c"7\00", align 1 @str.18 = private unnamed_addr constant [2 x i8] c"8\00", align 1 @str.19 = private unnamed_addr constant [2 x i8] c"9\00", align 1 @str.20 = private unnamed_addr constant [3 x i8] c"10\00", align 1 @str.21 = private unnamed_addr constant [3 x i8] c"11\00", align 1 @str.22 = private unnamed_addr constant [3 x i8] c"12\00", align 1 ; Function Attrs: nofree nounwind uwtable define dso_local void @foo(i32 noundef %cond) local_unnamed_addr #0 !dbg !42 { ;CHECK: Initial selection DAG: %bb.{{[0-9]+}} 'foo:entry' ;CHECK: SelectionDAG has 5 nodes: ;CHECK: [[TMP1:t.*]]: ch,glue = EntryToken ;CHECK: [[TMP2:t.*]]: i64,ch = CopyFromReg [[TMP1]], Register:i64 %{{[0-9]+}}, jump_table.c:4:3 ;CHECK: t{{[0-9]+}}: ch = br_jt [[TMP2]]:1, JumpTable:i64<0>, [[TMP2]], jump_table.c:4:3 entry: call void @llvm.dbg.value(metadata i32 %cond, metadata !47, metadata !DIExpression()), !dbg !48 switch i32 %cond, label %sw.epilog [ i32 1, label %sw.bb i32 2, label %sw.bb1 i32 3, label %sw.bb3 i32 4, label %sw.bb5 i32 5, label %sw.bb7 i32 6, label %sw.bb9 i32 7, label %sw.bb11 i32 8, label %sw.bb13 i32 9, label %sw.bb15 i32 10, label %sw.bb17 i32 11, label %sw.bb19 i32 12, label %sw.bb21 ], !dbg !49 sw.bb: ; preds = %entry %puts = tail call i32 @puts(ptr nonnull dereferenceable(1) @str), !dbg !50 br label %sw.bb1, !dbg !50 sw.bb1: ; preds = %entry, %sw.bb %puts23 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.12), !dbg !52 br label %sw.bb3, !dbg !52 sw.bb3: ; preds = %entry, %sw.bb1 %puts24 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.13), !dbg !53 br label %sw.bb5, !dbg !53 sw.bb5: ; preds = %entry, %sw.bb3 %puts25 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.14), !dbg !54 br label %sw.bb7, !dbg !54 sw.bb7: ; preds = %entry, %sw.bb5 %puts26 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.15), !dbg !55 br label %sw.bb9, !dbg !55 sw.bb9: ; preds = %entry, %sw.bb7 %puts27 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.16), !dbg !56 br label %sw.bb11, !dbg !56 sw.bb11: ; preds = %entry, %sw.bb9 %puts28 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.17), !dbg !57 br label %sw.bb13, !dbg !57 sw.bb13: ; preds = %entry, %sw.bb11 %puts29 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.18), !dbg !58 br label %sw.bb15, !dbg !58 sw.bb15: ; preds = %entry, %sw.bb13 %puts30 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.19), !dbg !59 br label %sw.bb17, !dbg !59 sw.bb17: ; preds = %entry, %sw.bb15 %puts31 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.20), !dbg !60 br label %sw.bb19, !dbg !60 sw.bb19: ; preds = %entry, %sw.bb17 %puts32 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.21), !dbg !61 br label %sw.bb21, !dbg !61 sw.bb21: ; preds = %entry, %sw.bb19 %puts33 = tail call i32 @puts(ptr nonnull dereferenceable(1) @str.22), !dbg !62 ret void, !dbg !63 sw.epilog: ; preds = %entry ret void, !dbg !63 } ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) declare void @llvm.dbg.value(metadata, metadata, metadata) #1 ; Function Attrs: nofree nounwind declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2 attributes #0 = { nofree nounwind uwtable } attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } attributes #2 = { nofree nounwind } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!34, !35, !36, !37, !38, !39, !40} !llvm.ident = !{!41} !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 18.0.0 (https://github.com/llvm/llvm-project.git 24cf476bd6d144b9fa28325b4d16e3c9dbfc4d4f)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !2, splitDebugInlining: false, nameTableKind: None) !1 = !DIFile(filename: "jump_table.c", directory: "/export/compilers/llvm-project", checksumkind: CSK_MD5, checksum: "0847b70de02e07499cd0177d1bdc6dae") !2 = !{!3, !9, !11, !13, !15, !17, !19, !21, !23, !25, !30, !32} !3 = !DIGlobalVariableExpression(var: !4, expr: !DIExpression()) !4 = distinct !DIGlobalVariable(scope: null, file: !1, line: 6, type: !5, isLocal: true, isDefinition: true) !5 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 24, elements: !7) !6 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) !7 = !{!8} !8 = !DISubrange(count: 3) !9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression()) !10 = distinct !DIGlobalVariable(scope: null, file: !1, line: 8, type: !5, isLocal: true, isDefinition: true) !11 = !DIGlobalVariableExpression(var: !12, expr: !DIExpression()) !12 = distinct !DIGlobalVariable(scope: null, file: !1, line: 10, type: !5, isLocal: true, isDefinition: true) !13 = !DIGlobalVariableExpression(var: !14, expr: !DIExpression()) !14 = distinct !DIGlobalVariable(scope: null, file: !1, line: 12, type: !5, isLocal: true, isDefinition: true) !15 = !DIGlobalVariableExpression(var: !16, expr: !DIExpression()) !16 = distinct !DIGlobalVariable(scope: null, file: !1, line: 14, type: !5, isLocal: true, isDefinition: true) !17 = !DIGlobalVariableExpression(var: !18, expr: !DIExpression()) !18 = distinct !DIGlobalVariable(scope: null, file: !1, line: 16, type: !5, isLocal: true, isDefinition: true) !19 = !DIGlobalVariableExpression(var: !20, expr: !DIExpression()) !20 = distinct !DIGlobalVariable(scope: null, file: !1, line: 18, type: !5, isLocal: true, isDefinition: true) !21 = !DIGlobalVariableExpression(var: !22, expr: !DIExpression()) !22 = distinct !DIGlobalVariable(scope: null, file: !1, line: 20, type: !5, isLocal: true, isDefinition: true) !23 = !DIGlobalVariableExpression(var: !24, expr: !DIExpression()) !24 = distinct !DIGlobalVariable(scope: null, file: !1, line: 22, type: !5, isLocal: true, isDefinition: true) !25 = !DIGlobalVariableExpression(var: !26, expr: !DIExpression()) !26 = distinct !DIGlobalVariable(scope: null, file: !1, line: 24, type: !27, isLocal: true, isDefinition: true) !27 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 32, elements: !28) !28 = !{!29} !29 = !DISubrange(count: 4) !30 = !DIGlobalVariableExpression(var: !31, expr: !DIExpression()) !31 = distinct !DIGlobalVariable(scope: null, file: !1, line: 26, type: !27, isLocal: true, isDefinition: true) !32 = !DIGlobalVariableExpression(var: !33, expr: !DIExpression()) !33 = distinct !DIGlobalVariable(scope: null, file: !1, line: 28, type: !27, isLocal: true, isDefinition: true) !34 = !{i32 7, !"Dwarf Version", i32 5} !35 = !{i32 2, !"Debug Info Version", i32 3} !36 = !{i32 1, !"wchar_size", i32 4} !37 = !{i32 8, !"PIC Level", i32 2} !38 = !{i32 7, !"PIE Level", i32 2} !39 = !{i32 7, !"uwtable", i32 2} !40 = !{i32 7, !"debug-info-assignment-tracking", i1 true} !41 = !{!"clang version 18.0.0 (https://github.com/llvm/llvm-project.git 24cf476bd6d144b9fa28325b4d16e3c9dbfc4d4f)"} !42 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !43, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !46) !43 = !DISubroutineType(types: !44) !44 = !{null, !45} !45 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !46 = !{!47} !47 = !DILocalVariable(name: "cond", arg: 1, scope: !42, file: !1, line: 3, type: !45) !48 = !DILocation(line: 0, scope: !42) !49 = !DILocation(line: 4, column: 3, scope: !42) !50 = !DILocation(line: 6, column: 5, scope: !51) !51 = distinct !DILexicalBlock(scope: !42, file: !1, line: 4, column: 17) !52 = !DILocation(line: 8, column: 5, scope: !51) !53 = !DILocation(line: 10, column: 5, scope: !51) !54 = !DILocation(line: 12, column: 5, scope: !51) !55 = !DILocation(line: 14, column: 5, scope: !51) !56 = !DILocation(line: 16, column: 5, scope: !51) !57 = !DILocation(line: 18, column: 5, scope: !51) !58 = !DILocation(line: 20, column: 5, scope: !51) !59 = !DILocation(line: 22, column: 5, scope: !51) !60 = !DILocation(line: 24, column: 5, scope: !51) !61 = !DILocation(line: 26, column: 5, scope: !51) !62 = !DILocation(line: 28, column: 5, scope: !51) !63 = !DILocation(line: 30, column: 1, scope: !42)