1; RUN: llc %s -stop-after=finalize-isel -o - | FileCheck %s 2 3 4; RUN: llc --try-experimental-debuginfo-iterators %s -stop-after=finalize-isel -o - | FileCheck %s 5 6;; Local variable has global storage. Check AssignmentTrackingAnalysis doesn't 7;; crash/assert. 8 9;; FIXME: We ideally want a DBG_VALUE deref here. It's not possible with the 10;; current setup, but will be possible when assignment tracking is extended to 11;; understand non-alloca storage. 12 13; CHECK: stack: [] 14; CHECK-NOT: DBG_ 15 16target triple = "x86_64-unknown-linux-gnu" 17 18@a = dso_local global i32 0, align 4 19 20define dso_local void @_Z3funi(i32 noundef %x) !dbg !15 { 21entry: 22 store i32 %x, ptr @a, align 4, !DIAssignID !27 23 call void @llvm.dbg.assign(metadata i32 %x, metadata !23, metadata !DIExpression(), metadata !27, metadata ptr @a, metadata !DIExpression()), !dbg !21 24 ret void 25} 26 27declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) 28 29!llvm.dbg.cu = !{!2} 30!llvm.module.flags = !{!6, !7, !13} 31!llvm.ident = !{!14} 32 33!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 17.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None) 34!3 = !DIFile(filename: "test.cpp", directory: "/") 35!4 = !{} 36!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 37!6 = !{i32 7, !"Dwarf Version", i32 5} 38!7 = !{i32 2, !"Debug Info Version", i32 3} 39!13 = !{i32 7, !"debug-info-assignment-tracking", i1 true} 40!14 = !{!"clang version 17.0.0"} 41!15 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funi", scope: !3, file: !3, line: 2, type: !16, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !18) 42!16 = !DISubroutineType(types: !17) 43!17 = !{null, !5} 44!18 = !{} 45!20 = !DILocalVariable(name: "x", arg: 1, scope: !15, file: !3, line: 2, type: !5) 46!21 = !DILocation(line: 0, scope: !15) 47!23 = !DILocalVariable(name: "a", scope: !15, file: !3, line: 3, type: !5) 48!27 = distinct !DIAssignID() 49