1 ; RUN: llc %s -o - -stop-after=finalize-isel \
2 ; RUN: | FileCheck %s --implicit-check-not=DBG
5 ; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel \
6 ; RUN: | FileCheck %s --implicit-check-not=DBG
8 ;; Hand written. Check that we fall back to emitting a list of defs for
9 ;; variables with split allocas (i.e. we want to see DBG_VALUEs and no
10 ;; debug-info-variable entry in the stack slot table).
13 ; CHECK: - { id: 0, name: a, type: default, offset: 0, size: 4, alignment: 4,
14 ; CHECK: stack-id: default, callee-saved-register: '', callee-saved-restored: true,
15 ; CHECK: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
16 ; CHECK: - { id: 1, name: c, type: default, offset: 0, size: 4, alignment: 4,
17 ; CHECK: stack-id: default, callee-saved-register: '', callee-saved-restored: true,
18 ; CHECK: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
19 ; CHECK: DBG_VALUE %stack.0.a, $noreg, !{{.*}}, !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 0, 32)
20 ; CHECK: DBG_VALUE %stack.1.c, $noreg, !{{.*}}, !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 64, 32)
22 target triple = "x86_64-unknown-linux-gnu"
24 define dso_local void @fun() !dbg !7 {
26 %a = alloca i32, align 4, !DIAssignID !16
27 call void @llvm.dbg.assign(metadata i1 undef, metadata !11, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !16, metadata ptr %a, metadata !DIExpression()), !dbg !17
28 %c = alloca i32, align 4, !DIAssignID !20
29 call void @llvm.dbg.assign(metadata i1 undef, metadata !11, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 32), metadata !20, metadata ptr %c, metadata !DIExpression()), !dbg !17
30 store i32 5, ptr %a, !DIAssignID !21
34 declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)
37 !llvm.module.flags = !{!2, !3, !4, !5, !1000}
40 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 14.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
41 !1 = !DIFile(filename: "test.c", directory: "/")
42 !2 = !{i32 7, !"Dwarf Version", i32 5}
43 !3 = !{i32 2, !"Debug Info Version", i32 3}
44 !4 = !{i32 1, !"wchar_size", i32 4}
45 !5 = !{i32 7, !"uwtable", i32 1}
46 !6 = !{!"clang version 14.0.0"}
47 !7 = distinct !DISubprogram(name: "fun", scope: !1, file: !1, line: 1, type: !8, scopeLine: 1, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !10)
48 !8 = !DISubroutineType(types: !9)
51 !11 = !DILocalVariable(name: "local", scope: !7, file: !1, line: 2, type: !12)
52 !12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 96, elements: !14)
53 !13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
55 !15 = !DISubrange(count: 3)
56 !16 = distinct !DIAssignID()
57 !17 = !DILocation(line: 0, scope: !7)
58 !18 = !DILocation(line: 2, column: 3, scope: !7)
59 !19 = !DILocation(line: 3, column: 1, scope: !7)
60 !20 = distinct !DIAssignID()
61 !21 = distinct !DIAssignID()
62 !1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}