source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/2010-08-04-StackVariable.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 7.8 KB
Line 
1; RUN: llc -O0 -mtriple=arm-apple-darwin < %s | grep DW_OP_breg
2; Use DW_OP_breg in variable's location expression if the variable is in a stack slot.
3
4%struct.SVal = type { i8*, i32 }
5
6define i32 @_Z3fooi4SVal(i32 %i, %struct.SVal* noalias %location) nounwind ssp !dbg !17 {
7entry:
8  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
9  call void @llvm.dbg.value(metadata i32 %i, i64 0, metadata !23, metadata !DIExpression()), !dbg !24
10  call void @llvm.dbg.value(metadata %struct.SVal* %location, i64 0, metadata !25, metadata !DIExpression()), !dbg !24
11  %0 = icmp ne i32 %i, 0, !dbg !27                ; <i1> [#uses=1]
12  br i1 %0, label %bb, label %bb1, !dbg !27
13
14bb:                                               ; preds = %entry
15  %1 = getelementptr inbounds %struct.SVal, %struct.SVal* %location, i32 0, i32 1, !dbg !29 ; <i32*> [#uses=1]
16  %2 = load i32, i32* %1, align 8, !dbg !29            ; <i32> [#uses=1]
17  %3 = add i32 %2, %i, !dbg !29                   ; <i32> [#uses=1]
18  br label %bb2, !dbg !29
19
20bb1:                                              ; preds = %entry
21  %4 = getelementptr inbounds %struct.SVal, %struct.SVal* %location, i32 0, i32 1, !dbg !30 ; <i32*> [#uses=1]
22  %5 = load i32, i32* %4, align 8, !dbg !30            ; <i32> [#uses=1]
23  %6 = sub i32 %5, 1, !dbg !30                    ; <i32> [#uses=1]
24  br label %bb2, !dbg !30
25
26bb2:                                              ; preds = %bb1, %bb
27  %.0 = phi i32 [ %3, %bb ], [ %6, %bb1 ]         ; <i32> [#uses=1]
28  br label %return, !dbg !29
29
30return:                                           ; preds = %bb2
31  ret i32 %.0, !dbg !29
32}
33
34define linkonce_odr void @_ZN4SValC1Ev(%struct.SVal* %this) nounwind ssp align 2  !dbg !16 {
35entry:
36  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
37  call void @llvm.dbg.value(metadata %struct.SVal* %this, i64 0, metadata !31, metadata !DIExpression()), !dbg !34
38  %0 = getelementptr inbounds %struct.SVal, %struct.SVal* %this, i32 0, i32 0, !dbg !34 ; <i8**> [#uses=1]
39  store i8* null, i8** %0, align 8, !dbg !34
40  %1 = getelementptr inbounds %struct.SVal, %struct.SVal* %this, i32 0, i32 1, !dbg !34 ; <i32*> [#uses=1]
41  store i32 0, i32* %1, align 8, !dbg !34
42  br label %return, !dbg !34
43
44return:                                           ; preds = %entry
45  ret void, !dbg !35
46}
47
48declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
49
50define i32 @main() nounwind ssp !dbg !20 {
51entry:
52  %0 = alloca %struct.SVal                        ; <%struct.SVal*> [#uses=3]
53  %v = alloca %struct.SVal                        ; <%struct.SVal*> [#uses=4]
54  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
55  call void @llvm.dbg.declare(metadata %struct.SVal* %v, metadata !38, metadata !DIExpression()), !dbg !41
56  call void @_ZN4SValC1Ev(%struct.SVal* %v) nounwind, !dbg !41
57  %1 = getelementptr inbounds %struct.SVal, %struct.SVal* %v, i32 0, i32 1, !dbg !42 ; <i32*> [#uses=1]
58  store i32 1, i32* %1, align 8, !dbg !42
59  %2 = getelementptr inbounds %struct.SVal, %struct.SVal* %0, i32 0, i32 0, !dbg !43 ; <i8**> [#uses=1]
60  %3 = getelementptr inbounds %struct.SVal, %struct.SVal* %v, i32 0, i32 0, !dbg !43 ; <i8**> [#uses=1]
61  %4 = load i8*, i8** %3, align 8, !dbg !43            ; <i8*> [#uses=1]
62  store i8* %4, i8** %2, align 8, !dbg !43
63  %5 = getelementptr inbounds %struct.SVal, %struct.SVal* %0, i32 0, i32 1, !dbg !43 ; <i32*> [#uses=1]
64  %6 = getelementptr inbounds %struct.SVal, %struct.SVal* %v, i32 0, i32 1, !dbg !43 ; <i32*> [#uses=1]
65  %7 = load i32, i32* %6, align 8, !dbg !43            ; <i32> [#uses=1]
66  store i32 %7, i32* %5, align 8, !dbg !43
67  %8 = call i32 @_Z3fooi4SVal(i32 2, %struct.SVal* noalias %0) nounwind, !dbg !43 ; <i32> [#uses=0]
68  call void @llvm.dbg.value(metadata i32 %8, i64 0, metadata !44, metadata !DIExpression()), !dbg !43
69  br label %return, !dbg !45
70
71return:                                           ; preds = %entry
72  ret i32 0, !dbg !45
73}
74
75declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
76
77!llvm.dbg.cu = !{!3}
78!llvm.module.flags = !{!49}
79
80!0 = !DISubprogram(name: "SVal", line: 11, isLocal: false, isDefinition: false, virtualIndex: 6, isOptimized: false, file: !48, scope: !1, type: !14)
81!1 = !DICompositeType(tag: DW_TAG_structure_type, name: "SVal", line: 1, size: 128, align: 64, file: !48, elements: !4)
82!2 = !DIFile(filename: "small.cc", directory: "/Users/manav/R8248330")
83!3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: false, emissionKind: 1, file: !48, enums: !47, retainedTypes: !47, subprograms: !46, globals: !47, imports:  !47)
84!4 = !{!5, !7, !0, !9}
85!5 = !DIDerivedType(tag: DW_TAG_member, name: "Data", line: 7, size: 64, align: 64, file: !48, scope: !1, baseType: !6)
86!6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !48, baseType: null)
87!7 = !DIDerivedType(tag: DW_TAG_member, name: "Kind", line: 8, size: 32, align: 32, offset: 64, file: !48, scope: !1, baseType: !8)
88!8 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
89!9 = !DISubprogram(name: "~SVal", line: 12, isLocal: false, isDefinition: false, virtualIndex: 6, isOptimized: false, file: !48, scope: !1, type: !10)
90!10 = !DISubroutineType(types: !11)
91!11 = !{null, !12, !13}
92!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !48, baseType: !1)
93!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
94!14 = !DISubroutineType(types: !15)
95!15 = !{null, !12}
96!16 = distinct !DISubprogram(name: "SVal", linkageName: "_ZN4SValC1Ev", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !48, scope: !1, type: !14)
97!17 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi4SVal", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !48, scope: !2, type: !18)
98!18 = !DISubroutineType(types: !19)
99!19 = !{!13, !13, !1}
100!20 = distinct !DISubprogram(name: "main", linkageName: "main", line: 23, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !48, scope: !2, type: !21)
101!21 = !DISubroutineType(types: !22)
102!22 = !{!13}
103!23 = !DILocalVariable(name: "i", line: 16, arg: 1, scope: !17, file: !2, type: !13)
104!24 = !DILocation(line: 16, scope: !17)
105!25 = !DILocalVariable(name: "location", line: 16, arg: 2, scope: !17, file: !2, type: !26)
106!26 = !DIDerivedType(tag: DW_TAG_reference_type, name: "SVal", size: 64, align: 64, file: !48, scope: !2, baseType: !1)
107!27 = !DILocation(line: 17, scope: !28)
108!28 = distinct !DILexicalBlock(line: 16, column: 0, file: !2, scope: !17)
109!29 = !DILocation(line: 18, scope: !28)
110!30 = !DILocation(line: 20, scope: !28)
111!31 = !DILocalVariable(name: "this", line: 11, arg: 1, scope: !16, file: !2, type: !32)
112!32 = !DIDerivedType(tag: DW_TAG_const_type, size: 64, align: 64, flags: DIFlagArtificial, file: !48, scope: !2, baseType: !33)
113!33 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !48, scope: !2, baseType: !1)
114!34 = !DILocation(line: 11, scope: !16)
115!35 = !DILocation(line: 11, scope: !36)
116!36 = distinct !DILexicalBlock(line: 11, column: 0, file: !48, scope: !37)
117!37 = distinct !DILexicalBlock(line: 11, column: 0, file: !48, scope: !16)
118!38 = !DILocalVariable(name: "v", line: 24, scope: !39, file: !2, type: !1)
119!39 = distinct !DILexicalBlock(line: 23, column: 0, file: !48, scope: !40)
120!40 = distinct !DILexicalBlock(line: 23, column: 0, file: !48, scope: !20)
121!41 = !DILocation(line: 24, scope: !39)
122!42 = !DILocation(line: 25, scope: !39)
123!43 = !DILocation(line: 26, scope: !39)
124!44 = !DILocalVariable(name: "k", line: 26, scope: !39, file: !2, type: !13)
125!45 = !DILocation(line: 27, scope: !39)
126!46 = !{!16, !17, !20}
127!47 = !{}
128!48 = !DIFile(filename: "small.cc", directory: "/Users/manav/R8248330")
129!49 = !{i32 1, !"Debug Info Version", i32 3}
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