1 ; RUN: llc %s -o - -stop-before=phi-node-elimination \
2 ; RUN: -experimental-debug-variable-locations=true \
3 ; RUN: | FileCheck %s --check-prefixes=DYN_LOWERED
5 ;; Copy of instr-ref-dyn-alloca-win32.ll, targetting 64 bit Windows. Here,
6 ;; _chkstk doesn't return with a modified stack pointer, instead we have to
7 ;; edit it with our own subtract operation. Check that it's labelled and the
8 ;; substitution is correct. This also covers the code paths for non-Windows on
11 ; DYN_LOWERED: debugValueSubstitutions:
12 ; DYN_LOWERED-NEXT: - { srcinst: 1, srcop: 2, dstinst: 2, dstop: 0, subreg: 0 }
13 ; DYN_LOWERED: SUB64rr $rsp, killed $rax, {{.*}} debug-instr-number 2,
15 source_filename = "test/DebugInfo/COFF/types-array-advanced.ll"
16 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
17 target triple = "x86_64-pc-windows-msvc19.0.24210"
19 %struct.incomplete_struct = type { i32 }
21 @"\01?multi_dim_arr@@3PAY146DA" = global [2 x [5 x [7 x i8]]] zeroinitializer, align 1, !dbg !0
22 @"\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A" = global ptr null, align 4, !dbg !6
23 @"\01?incomplete_struct_arr@@3PAUincomplete_struct@@A" = global [3 x %struct.incomplete_struct] zeroinitializer, align 4, !dbg !16
24 @"\01?typedef_arr@@3SDHD" = constant [4 x i32] zeroinitializer, align 4, !dbg !18
26 ; Function Attrs: nounwind
27 define void @"\01?foo@@YAXH@Z"(i32 %x) #0 !dbg !35 {
29 %x.addr = alloca i32, align 4
30 %saved_stack = alloca ptr, align 4
31 store i32 %x, ptr %x.addr, align 4
32 call void @llvm.dbg.declare(metadata ptr %x.addr, metadata !38, metadata !39), !dbg !40
33 %0 = load i32, ptr %x.addr, align 4, !dbg !41
34 %1 = call ptr @llvm.stacksave(), !dbg !42
35 store ptr %1, ptr %saved_stack, align 4, !dbg !42
36 %vla = alloca i32, i32 %0, align 4, !dbg !42
37 call void @llvm.dbg.declare(metadata ptr %vla, metadata !43, metadata !47), !dbg !48
38 store i32 0, ptr %vla, align 4, !dbg !50
39 %2 = load ptr, ptr %saved_stack, align 4, !dbg !51
40 call void @llvm.stackrestore(ptr %2), !dbg !51
44 ; Function Attrs: nounwind readnone
45 declare void @llvm.dbg.declare(metadata, metadata, metadata)
47 ; Function Attrs: nounwind
48 declare ptr @llvm.stacksave()
50 ; Function Attrs: nounwind
51 declare void @llvm.stackrestore(ptr)
54 !llvm.module.flags = !{!32, !33}
57 !0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
58 !1 = !DIGlobalVariable(name: "multi_dim_arr", linkageName: "\01?multi_dim_arr@@3PAY146DA", scope: !2, file: !3, line: 1, type: !26, isLocal: false, isDefinition: true)
59 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 273874)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
60 !3 = !DIFile(filename: "t.cpp", directory: "/")
62 !5 = !{!0, !6, !16, !18}
63 !6 = distinct !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
64 !7 = !DIGlobalVariable(name: "p_incomplete_struct_arr", linkageName: "\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A", scope: !2, file: !3, line: 3, type: !8, isLocal: false, isDefinition: true)
65 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32, align: 32)
66 !9 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, elements: !14)
67 !10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "incomplete_struct", file: !3, line: 4, size: 32, align: 32, elements: !11, identifier: ".?AUincomplete_struct@@")
69 !12 = !DIDerivedType(tag: DW_TAG_member, name: "s1", scope: !10, file: !3, line: 5, baseType: !13, size: 32, align: 32)
70 !13 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
72 !15 = !DISubrange(count: 3)
73 !16 = distinct !DIGlobalVariableExpression(var: !17, expr: !DIExpression())
74 !17 = !DIGlobalVariable(name: "incomplete_struct_arr", linkageName: "\01?incomplete_struct_arr@@3PAUincomplete_struct@@A", scope: !2, file: !3, line: 6, type: !9, isLocal: false, isDefinition: true)
75 !18 = distinct !DIGlobalVariableExpression(var: !19, expr: !DIExpression())
76 !19 = !DIGlobalVariable(name: "typedef_arr", linkageName: "\01?typedef_arr@@3SDHD", scope: !2, file: !3, line: 14, type: !20, isLocal: false, isDefinition: true)
77 !20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !21, size: 128, align: 32, elements: !24)
78 !21 = !DIDerivedType(tag: DW_TAG_typedef, name: "T_INT", file: !3, line: 13, baseType: !22)
79 !22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23)
80 !23 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !13)
82 !25 = !DISubrange(count: 4)
83 !26 = !DICompositeType(tag: DW_TAG_array_type, baseType: !27, size: 560, align: 8, elements: !28)
84 !27 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
85 !28 = !{!29, !30, !31}
86 !29 = !DISubrange(count: 2)
87 !30 = !DISubrange(count: 5)
88 !31 = !DISubrange(count: 7)
89 !32 = !{i32 2, !"CodeView", i32 1}
90 !33 = !{i32 2, !"Debug Info Version", i32 3}
91 !34 = !{!"clang version 3.9.0 (trunk 273874)"}
92 !35 = distinct !DISubprogram(name: "foo", linkageName: "\01?foo@@YAXH@Z", scope: !3, file: !3, line: 8, type: !36, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
93 !36 = !DISubroutineType(types: !37)
95 !38 = !DILocalVariable(name: "x", arg: 1, scope: !35, file: !3, line: 8, type: !13)
97 !40 = !DILocation(line: 8, column: 14, scope: !35)
98 !41 = !DILocation(line: 9, column: 21, scope: !35)
99 !42 = !DILocation(line: 9, column: 4, scope: !35)
100 !43 = !DILocalVariable(name: "dyn_size_arr", scope: !35, file: !3, line: 9, type: !44)
101 !44 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, align: 32, elements: !45)
103 !46 = !DISubrange(count: -1)
104 !47 = !DIExpression(DW_OP_deref)
105 !48 = !DILocation(line: 9, column: 8, scope: !35)
106 !49 = !DILocation(line: 10, column: 4, scope: !35)
107 !50 = !DILocation(line: 10, column: 20, scope: !35)
108 !51 = !DILocation(line: 11, column: 1, scope: !35)