1 ; RUN: llc -march=hexagon < %s
4 ; Check that we no longer get this error:
5 ; void llvm::ScheduleDAGMILive::scheduleMI(llvm::SUnit *, bool):
6 ; Assertion `TopRPTracker.getPos() == CurrentTop && "out of sync"' failed.
8 target triple = "hexagon"
10 %struct.A = type { %struct.B*, %struct.B* }
11 %struct.B = type { i8*, %struct.B*, %struct.B* }
13 @.str.4 = external hidden unnamed_addr constant [41 x i8], align 1
14 @__func__.fred = external hidden unnamed_addr constant [16 x i8], align 1
15 @.str.5 = external hidden unnamed_addr constant [43 x i8], align 1
17 ; Function Attrs: nounwind
18 declare void @_Assert(i8*, i8*) #0
20 ; Function Attrs: nounwind
21 define void @fred(%struct.A* %pA, %struct.B* %p) #0 !dbg !6 {
23 tail call void @llvm.dbg.value(metadata %struct.A* %pA, i64 0, metadata !26, metadata !28), !dbg !29
24 tail call void @llvm.dbg.value(metadata %struct.B* %p, i64 0, metadata !27, metadata !28), !dbg !30
25 %cmp = icmp eq %struct.B* %p, null, !dbg !31
26 br i1 %cmp, label %cond.false, label %cond.end, !dbg !31
28 cond.false: ; preds = %entry
29 tail call void @_Assert(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.4, i32 0, i32 0), i8* getelementptr inbounds ([16 x i8], [16 x i8]* @__func__.fred, i32 0, i32 0)) #0, !dbg !32
30 br label %cond.end, !dbg !32
32 cond.end: ; preds = %cond.false, %entry
33 %cmp1 = icmp eq %struct.A* %pA, null, !dbg !34
34 br i1 %cmp1, label %cond.false3, label %cond.end4, !dbg !34
36 cond.false3: ; preds = %cond.end
37 tail call void @_Assert(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.5, i32 0, i32 0), i8* getelementptr inbounds ([16 x i8], [16 x i8]* @__func__.fred, i32 0, i32 0)) #0, !dbg !35
38 br label %cond.end4, !dbg !35
40 cond.end4: ; preds = %cond.false3, %cond.end
41 %p2 = getelementptr inbounds %struct.A, %struct.A* %pA, i32 0, i32 0, !dbg !36
42 %0 = load %struct.B*, %struct.B** %p2, align 4, !dbg !38, !tbaa !39
43 %cmp5 = icmp eq %struct.B* %0, null, !dbg !44
44 br i1 %cmp5, label %if.then, label %if.end, !dbg !45
46 if.then: ; preds = %cond.end4
47 %p1 = getelementptr inbounds %struct.A, %struct.A* %pA, i32 0, i32 1, !dbg !46
48 store %struct.B* %p, %struct.B** %p1, align 4, !dbg !48, !tbaa !49
49 store %struct.B* %p, %struct.B** %p2, align 4, !dbg !50, !tbaa !39
50 %p4 = getelementptr inbounds %struct.B, %struct.B* %p, i32 0, i32 1, !dbg !51
51 store %struct.B* null, %struct.B** %p4, align 4, !dbg !52, !tbaa !53
52 %p5 = getelementptr inbounds %struct.B, %struct.B* %p, i32 0, i32 2, !dbg !55
53 store %struct.B* null, %struct.B** %p5, align 4, !dbg !56, !tbaa !57
54 br label %return, !dbg !58
56 if.end: ; preds = %cond.end4
57 %1 = ptrtoint %struct.B* %0 to i32, !dbg !59
58 %p57 = getelementptr inbounds %struct.B, %struct.B* %p, i32 0, i32 2, !dbg !60
59 store %struct.B* null, %struct.B** %p57, align 4, !dbg !61, !tbaa !57
60 %p49 = getelementptr inbounds %struct.B, %struct.B* %p, i32 0, i32 1, !dbg !62
61 %2 = bitcast %struct.B** %p49 to i32*, !dbg !63
62 store i32 %1, i32* %2, align 4, !dbg !63, !tbaa !53
63 %p511 = getelementptr inbounds %struct.B, %struct.B* %0, i32 0, i32 2, !dbg !64
64 store %struct.B* %p, %struct.B** %p511, align 4, !dbg !65, !tbaa !57
65 store %struct.B* %p, %struct.B** %p2, align 4, !dbg !66, !tbaa !39
66 br label %return, !dbg !67
68 return: ; preds = %if.end, %if.then
72 ; Function Attrs: nounwind readnone
73 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
75 attributes #0 = { nounwind }
76 attributes #1 = { nounwind readnone }
79 !llvm.module.flags = !{!3, !4}
82 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
83 !1 = !DIFile(filename: "bug.c", directory: "/")
85 !3 = !{i32 2, !"Dwarf Version", i32 4}
86 !4 = !{i32 2, !"Debug Info Version", i32 3}
87 !5 = !{!"clang version 3.9.0"}
88 !6 = distinct !DISubprogram(name: "fred", scope: !1, file: !1, line: 138, type: !7, isLocal: false, isDefinition: true, scopeLine: 139, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !25)
89 !7 = !DISubroutineType(types: !8)
91 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 32, align: 32)
92 !10 = !DIDerivedType(tag: DW_TAG_typedef, name: "A", file: !11, line: 57, baseType: !12)
93 !11 = !DIFile(filename: "bug.h", directory: "/")
94 !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !11, line: 54, size: 64, align: 32, elements: !13)
96 !14 = !DIDerivedType(tag: DW_TAG_member, name: "p2", scope: !12, file: !11, line: 55, baseType: !15, size: 32, align: 32)
97 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 32, align: 32)
98 !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "B", file: !11, line: 50, baseType: !17)
99 !17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "B", file: !11, line: 45, size: 96, align: 32, elements: !18)
100 !18 = !{!19, !21, !23}
101 !19 = !DIDerivedType(tag: DW_TAG_member, name: "p3", scope: !17, file: !11, line: 47, baseType: !20, size: 32, align: 32)
102 !20 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 32, align: 32)
103 !21 = !DIDerivedType(tag: DW_TAG_member, name: "p4", scope: !17, file: !11, line: 48, baseType: !22, size: 32, align: 32, offset: 32)
104 !22 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !17, size: 32, align: 32)
105 !23 = !DIDerivedType(tag: DW_TAG_member, name: "p5", scope: !17, file: !11, line: 49, baseType: !22, size: 32, align: 32, offset: 64)
106 !24 = !DIDerivedType(tag: DW_TAG_member, name: "p1", scope: !12, file: !11, line: 56, baseType: !15, size: 32, align: 32, offset: 32)
108 !26 = !DILocalVariable(name: "pA", arg: 1, scope: !6, file: !1, line: 138, type: !9)
109 !27 = !DILocalVariable(name: "p", arg: 2, scope: !6, file: !1, line: 138, type: !15)
110 !28 = !DIExpression()
111 !29 = !DILocation(line: 138, column: 34, scope: !6)
112 !30 = !DILocation(line: 138, column: 57, scope: !6)
113 !31 = !DILocation(line: 140, column: 5, scope: !6)
114 !32 = !DILocation(line: 140, column: 5, scope: !33)
115 !33 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 2)
116 !34 = !DILocation(line: 141, column: 5, scope: !6)
117 !35 = !DILocation(line: 141, column: 5, scope: !33)
118 !36 = !DILocation(line: 143, column: 30, scope: !37)
119 !37 = distinct !DILexicalBlock(scope: !6, file: !1, line: 143, column: 9)
120 !38 = !DILocation(line: 155, column: 18, scope: !6)
121 !39 = !{!40, !41, i64 0}
122 !40 = !{!"", !41, i64 0, !41, i64 4}
123 !41 = !{!"any pointer", !42, i64 0}
124 !42 = !{!"omnipotent char", !43, i64 0}
125 !43 = !{!"Simple C/C++ TBAA"}
126 !44 = !DILocation(line: 143, column: 14, scope: !37)
127 !45 = !DILocation(line: 143, column: 9, scope: !6)
128 !46 = !DILocation(line: 146, column: 26, scope: !47)
129 !47 = distinct !DILexicalBlock(scope: !37, file: !1, line: 143, column: 41)
130 !48 = !DILocation(line: 146, column: 36, scope: !47)
131 !49 = !{!40, !41, i64 4}
132 !50 = !DILocation(line: 145, column: 32, scope: !47)
133 !51 = !DILocation(line: 147, column: 20, scope: !47)
134 !52 = !DILocation(line: 147, column: 29, scope: !47)
135 !53 = !{!54, !41, i64 4}
136 !54 = !{!"B", !41, i64 0, !41, i64 4, !41, i64 8}
137 !55 = !DILocation(line: 148, column: 20, scope: !47)
138 !56 = !DILocation(line: 148, column: 29, scope: !47)
139 !57 = !{!54, !41, i64 8}
140 !58 = !DILocation(line: 149, column: 9, scope: !47)
141 !59 = !DILocation(line: 154, column: 41, scope: !6)
142 !60 = !DILocation(line: 153, column: 16, scope: !6)
143 !61 = !DILocation(line: 153, column: 25, scope: !6)
144 !62 = !DILocation(line: 154, column: 16, scope: !6)
145 !63 = !DILocation(line: 154, column: 26, scope: !6)
146 !64 = !DILocation(line: 155, column: 29, scope: !6)
147 !65 = !DILocation(line: 155, column: 39, scope: !6)
148 !66 = !DILocation(line: 156, column: 28, scope: !6)
149 !67 = !DILocation(line: 157, column: 1, scope: !6)
150 !68 = !DILocation(line: 157, column: 1, scope: !69)
151 !69 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 1)