; RUN: llc %s -stop-after=finalize-isel -o - | FileCheck %s ; RUN: llc --try-experimental-debuginfo-iterators %s -stop-after=finalize-isel -o - | FileCheck %s ;; Hand written. Check AssignmentTrackingAnalysis doesn't try to get the size ;; of scalable vectors (which causes an assertion failure). ; CHECK: DBG_VALUE %stack.0, $noreg, ![[#]], !DIExpression(DW_OP_deref) ; CHECK: DBG_VALUE i256 0, $noreg, ![[#]], !DIExpression() ;; FIXME: We should reinstate (or poison) the variable at the store. See ;; llvm.org/PR62346. target triple = "aarch64" define dso_local void @square(ptr %0) local_unnamed_addr #0 !dbg !9 { entry: %1 = alloca <32 x i8>, !DIAssignID !18 call void @llvm.dbg.assign(metadata i1 poison, metadata !19, metadata !DIExpression(), metadata !18, metadata ptr %1, metadata !DIExpression()), !dbg !21 %2 = load , ptr %0, align 1 call void @llvm.dbg.assign(metadata i256 0, metadata !19, metadata !DIExpression(), metadata !22, metadata ptr %1, metadata !DIExpression()), !dbg !21 store %2, ptr %1, align 1 ret void } declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) attributes #0 = { vscale_range(1,16) "target-cpu"="generic" "target-features"="+sve" } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!2, !3, !7} !llvm.ident = !{!8} !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 17.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) !1 = !DIFile(filename: "/app/example.c", directory: "/app") !2 = !{i32 7, !"Dwarf Version", i32 4} !3 = !{i32 2, !"Debug Info Version", i32 3} !7 = !{i32 7, !"debug-info-assignment-tracking", i1 true} !8 = !{!"clang version 17.0.0"} !9 = distinct !DISubprogram(name: "square", scope: !10, file: !10, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17) !10 = !DIFile(filename: "example.c", directory: "/app") !11 = !DISubroutineType(types: !12) !12 = !{null, !13, !14, !16} !13 = !DIDerivedType(tag: DW_TAG_restrict_type, baseType: !14) !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64) !15 = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char) !16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !17 = !{} !18 = distinct !DIAssignID() !19 = !DILocalVariable(name: "i", scope: !9, file: !10, line: 2, type: !20) !20 = !DIBasicType(name: "cats", size: 256, encoding: DW_ATE_signed) !21 = !DILocation(line: 0, scope: !9) !22 = distinct !DIAssignID()