1 ; RUN: llc -O0 -fast-isel=false < %s | FileCheck %s
2 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
3 target triple = "x86_64-apple-macosx10.6.7"
6 ;CHECK: ##DEBUG_VALUE: my_a
8 %class.A = type { i32, i32, i32, i32 }
10 define void @_Z3fooi(%class.A* sret %agg.result, i32 %i) ssp {
12 %i.addr = alloca i32, align 4
13 %j = alloca i32, align 4
15 %cleanup.dest.slot = alloca i32
16 store i32 %i, i32* %i.addr, align 4
17 call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !26, metadata !MDExpression()), !dbg !27
18 call void @llvm.dbg.declare(metadata i32* %j, metadata !28, metadata !MDExpression()), !dbg !30
19 store i32 0, i32* %j, align 4, !dbg !31
20 %tmp = load i32, i32* %i.addr, align 4, !dbg !32
21 %cmp = icmp eq i32 %tmp, 42, !dbg !32
22 br i1 %cmp, label %if.then, label %if.end, !dbg !32
24 if.then: ; preds = %entry
25 %tmp1 = load i32, i32* %i.addr, align 4, !dbg !33
26 %add = add nsw i32 %tmp1, 1, !dbg !33
27 store i32 %add, i32* %j, align 4, !dbg !33
28 br label %if.end, !dbg !35
30 if.end: ; preds = %if.then, %entry
31 store i1 false, i1* %nrvo, !dbg !36
32 call void @llvm.dbg.declare(metadata %class.A* %agg.result, metadata !37, metadata !MDExpression()), !dbg !39
33 %tmp2 = load i32, i32* %j, align 4, !dbg !40
34 %x = getelementptr inbounds %class.A, %class.A* %agg.result, i32 0, i32 0, !dbg !40
35 store i32 %tmp2, i32* %x, align 4, !dbg !40
36 store i1 true, i1* %nrvo, !dbg !41
37 store i32 1, i32* %cleanup.dest.slot
38 %nrvo.val = load i1, i1* %nrvo, !dbg !42
39 br i1 %nrvo.val, label %nrvo.skipdtor, label %nrvo.unused, !dbg !42
41 nrvo.unused: ; preds = %if.end
42 call void @_ZN1AD1Ev(%class.A* %agg.result), !dbg !42
43 br label %nrvo.skipdtor, !dbg !42
45 nrvo.skipdtor: ; preds = %nrvo.unused, %if.end
49 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
51 define linkonce_odr void @_ZN1AD1Ev(%class.A* %this) unnamed_addr ssp align 2 {
53 %this.addr = alloca %class.A*, align 8
54 store %class.A* %this, %class.A** %this.addr, align 8
55 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !43, metadata !MDExpression()), !dbg !44
56 %this1 = load %class.A*, %class.A** %this.addr
57 call void @_ZN1AD2Ev(%class.A* %this1)
61 define linkonce_odr void @_ZN1AD2Ev(%class.A* %this) unnamed_addr nounwind ssp align 2 {
63 %this.addr = alloca %class.A*, align 8
64 store %class.A* %this, %class.A** %this.addr, align 8
65 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !46, metadata !MDExpression()), !dbg !47
66 %this1 = load %class.A*, %class.A** %this.addr
67 %x = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 0, !dbg !48
68 store i32 1, i32* %x, align 4, !dbg !48
73 !llvm.module.flags = !{!52}
75 !0 = !MDSubprogram(name: "~A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)
76 !1 = !MDCompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 128, align: 32, file: !51, scope: !2, elements: !4)
77 !2 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.0 (trunk 130127)", isOptimized: false, emissionKind: 1, file: !51, enums: !24, retainedTypes: !24, subprograms: !50)
78 !3 = !MDFile(filename: "a.cc", directory: "/private/tmp")
79 !4 = !{!5, !7, !8, !9, !0, !10, !14}
80 !5 = !MDDerivedType(tag: DW_TAG_member, name: "x", line: 2, size: 32, align: 32, file: !51, scope: !3, baseType: !6)
81 !6 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
82 !7 = !MDDerivedType(tag: DW_TAG_member, name: "y", line: 2, size: 32, align: 32, offset: 32, file: !51, scope: !3, baseType: !6)
83 !8 = !MDDerivedType(tag: DW_TAG_member, name: "z", line: 2, size: 32, align: 32, offset: 64, file: !51, scope: !3, baseType: !6)
84 !9 = !MDDerivedType(tag: DW_TAG_member, name: "o", line: 2, size: 32, align: 32, offset: 96, file: !51, scope: !3, baseType: !6)
85 !10 = !MDSubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)
86 !11 = !MDSubroutineType(types: !12)
88 !13 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !2, baseType: !1)
89 !14 = !MDSubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !15)
90 !15 = !MDSubroutineType(types: !16)
91 !16 = !{null, !13, !17}
92 !17 = !MDDerivedType(tag: DW_TAG_reference_type, scope: !2, baseType: !18)
93 !18 = !MDDerivedType(tag: DW_TAG_const_type, file: !2, baseType: !1)
94 !19 = !MDSubprogram(name: "foo", linkageName: "_Z3fooi", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !51, scope: !3, type: !20, function: void (%class.A*, i32)* @_Z3fooi)
95 !20 = !MDSubroutineType(types: !21)
97 !22 = !MDSubprogram(name: "~A", linkageName: "_ZN1AD1Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !51, scope: !3, type: !23, function: void (%class.A*)* @_ZN1AD1Ev)
98 !23 = !MDSubroutineType(types: !24)
100 !25 = !MDSubprogram(name: "~A", linkageName: "_ZN1AD2Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !51, scope: !3, type: !23, function: void (%class.A*)* @_ZN1AD2Ev)
101 !26 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "i", line: 4, arg: 1, scope: !19, file: !3, type: !6)
102 !27 = !MDLocation(line: 4, column: 11, scope: !19)
103 !28 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "j", line: 5, scope: !29, file: !3, type: !6)
104 !29 = distinct !MDLexicalBlock(line: 4, column: 14, file: !51, scope: !19)
105 !30 = !MDLocation(line: 5, column: 7, scope: !29)
106 !31 = !MDLocation(line: 5, column: 12, scope: !29)
107 !32 = !MDLocation(line: 6, column: 3, scope: !29)
108 !33 = !MDLocation(line: 7, column: 5, scope: !34)
109 !34 = distinct !MDLexicalBlock(line: 6, column: 16, file: !51, scope: !29)
110 !35 = !MDLocation(line: 8, column: 3, scope: !34)
111 !36 = !MDLocation(line: 9, column: 9, scope: !29)
112 !37 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "my_a", line: 9, scope: !29, file: !3, type: !38)
113 !38 = !MDDerivedType(tag: DW_TAG_reference_type, file: !2, baseType: !1)
114 !39 = !MDLocation(line: 9, column: 5, scope: !29)
115 !40 = !MDLocation(line: 10, column: 3, scope: !29)
116 !41 = !MDLocation(line: 11, column: 3, scope: !29)
117 !42 = !MDLocation(line: 12, column: 1, scope: !29)
118 !43 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !22, file: !3, type: !13)
119 !44 = !MDLocation(line: 2, column: 47, scope: !22)
120 !45 = !MDLocation(line: 2, column: 61, scope: !22)
121 !46 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !25, file: !3, type: !13)
122 !47 = !MDLocation(line: 2, column: 47, scope: !25)
123 !48 = !MDLocation(line: 2, column: 54, scope: !49)
124 !49 = distinct !MDLexicalBlock(line: 2, column: 52, file: !51, scope: !25)
125 !50 = !{!19, !22, !25}
126 !51 = !MDFile(filename: "a.cc", directory: "/private/tmp")
127 !52 = !{i32 1, !"Debug Info Version", i32 3}