1 ; Ensure that we can correctly emit a compile unit for outlined functions and
2 ; that we correctly emit DISubprograms for those functions.
3 ; Also make sure that the DISubprograms reference the generated unit.
4 ; make sure that if there are two outlined functions in the program,
5 ; RUN: llc %s -verify-machineinstrs -enable-machine-outliner -mtriple=x86_64-apple-darwin -o /dev/null -print-after=machine-outliner
6 define void @f6() #0 !dbg !8 {
8 %dog = alloca i32, align 4
9 %cat = alloca i32, align 4
10 %pangolin = alloca i32, align 4
11 call void @llvm.dbg.declare(metadata i32* %dog, metadata !11, metadata !DIExpression()), !dbg !13
12 store i32 16, i32* %dog, align 4, !dbg !13
13 call void @llvm.dbg.declare(metadata i32* %cat, metadata !14, metadata !DIExpression()), !dbg !15
14 store i32 32, i32* %cat, align 4, !dbg !15
15 call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !16, metadata !DIExpression()), !dbg !17
16 store i32 48, i32* %pangolin, align 4, !dbg !17
20 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
22 define void @f5() #0 !dbg !19 {
24 %dog = alloca i32, align 4
25 %cat = alloca i32, align 4
26 %pangolin = alloca i32, align 4
27 call void @llvm.dbg.declare(metadata i32* %dog, metadata !20, metadata !DIExpression()), !dbg !21
28 store i32 16, i32* %dog, align 4, !dbg !21
29 call void @llvm.dbg.declare(metadata i32* %cat, metadata !22, metadata !DIExpression()), !dbg !23
30 store i32 32, i32* %cat, align 4, !dbg !23
31 call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !24, metadata !DIExpression()), !dbg !25
32 store i32 48, i32* %pangolin, align 4, !dbg !25
36 define void @f4() #0 !dbg !27 {
38 %dog = alloca i32, align 4
39 %cat = alloca i32, align 4
40 %pangolin = alloca i32, align 4
41 call void @llvm.dbg.declare(metadata i32* %dog, metadata !28, metadata !DIExpression()), !dbg !29
42 store i32 16, i32* %dog, align 4, !dbg !29
43 call void @llvm.dbg.declare(metadata i32* %cat, metadata !30, metadata !DIExpression()), !dbg !31
44 store i32 32, i32* %cat, align 4, !dbg !31
45 call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !32, metadata !DIExpression()), !dbg !33
46 store i32 48, i32* %pangolin, align 4, !dbg !33
50 define i32 @f1() #0 !dbg !35 {
52 %dog = alloca i32, align 4
53 %cat = alloca i32, align 4
54 %pangolin = alloca i32, align 4
55 call void @llvm.dbg.declare(metadata i32* %dog, metadata !38, metadata !DIExpression()), !dbg !39
56 store i32 1, i32* %dog, align 4, !dbg !39
57 call void @llvm.dbg.declare(metadata i32* %cat, metadata !40, metadata !DIExpression()), !dbg !41
58 store i32 2, i32* %cat, align 4, !dbg !41
59 call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !42, metadata !DIExpression()), !dbg !43
60 store i32 3, i32* %pangolin, align 4, !dbg !43
61 store i32 16, i32* %dog, align 4, !dbg !44
62 %0 = load i32, i32* %dog, align 4, !dbg !45
66 define i32 @f2() #0 !dbg !47 {
68 %dog = alloca i32, align 4
69 %cat = alloca i32, align 4
70 %pangolin = alloca i32, align 4
71 call void @llvm.dbg.declare(metadata i32* %dog, metadata !48, metadata !DIExpression()), !dbg !49
72 store i32 1, i32* %dog, align 4, !dbg !49
73 call void @llvm.dbg.declare(metadata i32* %cat, metadata !50, metadata !DIExpression()), !dbg !51
74 store i32 2, i32* %cat, align 4, !dbg !51
75 call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !52, metadata !DIExpression()), !dbg !53
76 store i32 3, i32* %pangolin, align 4, !dbg !53
77 store i32 16, i32* %dog, align 4, !dbg !54
78 %0 = load i32, i32* %dog, align 4, !dbg !55
82 define i32 @f3() #0 !dbg !57 {
84 %dog = alloca i32, align 4
85 %cat = alloca i32, align 4
86 %pangolin = alloca i32, align 4
87 call void @llvm.dbg.declare(metadata i32* %dog, metadata !58, metadata !DIExpression()), !dbg !59
88 store i32 1, i32* %dog, align 4, !dbg !59
89 call void @llvm.dbg.declare(metadata i32* %cat, metadata !60, metadata !DIExpression()), !dbg !61
90 store i32 2, i32* %cat, align 4, !dbg !61
91 call void @llvm.dbg.declare(metadata i32* %pangolin, metadata !62, metadata !DIExpression()), !dbg !63
92 store i32 3, i32* %pangolin, align 4, !dbg !63
93 store i32 16, i32* %dog, align 4, !dbg !64
94 %0 = load i32, i32* %dog, align 4, !dbg !65
98 define i32 @main() #0 !dbg !67 {
100 %retval = alloca i32, align 4
101 %a = alloca i32, align 4
102 store i32 0, i32* %retval, align 4
103 call void @llvm.dbg.declare(metadata i32* %a, metadata !68, metadata !DIExpression()), !dbg !69
104 store i32 4, i32* %a, align 4, !dbg !69
105 %call = call i32 @f1() #2, !dbg !70
106 %call1 = call i32 @f2() #2, !dbg !71
107 %call2 = call i32 @f3() #2, !dbg !72
111 ; CHECK: distinct !DISubprogram(name: "OUTLINED_FUNCTION_1",
112 ; CHECK-SAME: scope: !1,
113 ; CHECK-SAME: file: !1,
114 ; CHECK-SAME: type: [[TYPE:![0-9]+]],
115 ; CHECK-SAME: isLocal: false,
116 ; CHECK-SAME: isDefinition: true,
117 ; CHECK-SAME: flags: DIFlagArtificial,
118 ; CHECK-SAME: isOptimized: true,
119 ; CHECK-SAME: unit: !0,
120 ; CHECK-SAME: retainedNodes: [[VARS:![0-9]+]]
122 ; CHECK: distinct !DISubprogram(name: "OUTLINED_FUNCTION_0",
123 ; CHECK-SAME: scope: !1,
124 ; CHECK-SAME: file: !1,
125 ; CHECK-SAME: type: [[TYPE]],
126 ; CHECK-SAME: isLocal: false,
127 ; CHECK-SAME: isDefinition: true,
128 ; CHECK-SAME: flags: DIFlagArtificial,
129 ; CHECK-SAME: isOptimized: true,
130 ; CHECK-SAME: unit: !0,
131 ; CHECK-SAME: retainedNodes: [[VARS]]
133 attributes #0 = { noinline noredzone nounwind optnone ssp uwtable "no-frame-pointer-elim"="true" }
134 attributes #1 = { nounwind readnone speculatable }
135 attributes #2 = { noredzone }
138 !llvm.module.flags = !{!3, !4, !5, !6}
141 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
142 !1 = !DIFile(filename: "test.c", directory: "/")
144 !3 = !{i32 2, !"Dwarf Version", i32 4}
145 !4 = !{i32 2, !"Debug Info Version", i32 3}
146 !5 = !{i32 1, !"wchar_size", i32 4}
147 !6 = !{i32 7, !"PIC Level", i32 2}
149 !8 = distinct !DISubprogram(name: "f6", scope: !1, file: !1, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: false, unit: !0, retainedNodes: !2)
150 !9 = !DISubroutineType(types: !10)
152 !11 = !DILocalVariable(name: "dog", scope: !8, file: !1, line: 4, type: !12)
153 !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
154 !13 = !DILocation(line: 4, column: 16, scope: !8)
155 !14 = !DILocalVariable(name: "cat", scope: !8, file: !1, line: 5, type: !12)
156 !15 = !DILocation(line: 5, column: 16, scope: !8)
157 !16 = !DILocalVariable(name: "pangolin", scope: !8, file: !1, line: 6, type: !12)
158 !17 = !DILocation(line: 6, column: 16, scope: !8)
159 !18 = !DILocation(line: 7, column: 1, scope: !8)
160 !19 = distinct !DISubprogram(name: "f5", scope: !1, file: !1, line: 9, type: !9, isLocal: false, isDefinition: true, scopeLine: 9, isOptimized: false, unit: !0, retainedNodes: !2)
161 !20 = !DILocalVariable(name: "dog", scope: !19, file: !1, line: 10, type: !12)
162 !21 = !DILocation(line: 10, column: 16, scope: !19)
163 !22 = !DILocalVariable(name: "cat", scope: !19, file: !1, line: 11, type: !12)
164 !23 = !DILocation(line: 11, column: 16, scope: !19)
165 !24 = !DILocalVariable(name: "pangolin", scope: !19, file: !1, line: 12, type: !12)
166 !25 = !DILocation(line: 12, column: 16, scope: !19)
167 !26 = !DILocation(line: 13, column: 1, scope: !19)
168 !27 = distinct !DISubprogram(name: "f4", scope: !1, file: !1, line: 15, type: !9, isLocal: false, isDefinition: true, scopeLine: 15, isOptimized: false, unit: !0, retainedNodes: !2)
169 !28 = !DILocalVariable(name: "dog", scope: !27, file: !1, line: 16, type: !12)
170 !29 = !DILocation(line: 16, column: 16, scope: !27)
171 !30 = !DILocalVariable(name: "cat", scope: !27, file: !1, line: 17, type: !12)
172 !31 = !DILocation(line: 17, column: 16, scope: !27)
173 !32 = !DILocalVariable(name: "pangolin", scope: !27, file: !1, line: 18, type: !12)
174 !33 = !DILocation(line: 18, column: 16, scope: !27)
175 !34 = !DILocation(line: 19, column: 1, scope: !27)
176 !35 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 21, type: !36, isLocal: false, isDefinition: true, scopeLine: 21, isOptimized: false, unit: !0, retainedNodes: !2)
177 !36 = !DISubroutineType(types: !37)
179 !38 = !DILocalVariable(name: "dog", scope: !35, file: !1, line: 22, type: !12)
180 !39 = !DILocation(line: 22, column: 16, scope: !35)
181 !40 = !DILocalVariable(name: "cat", scope: !35, file: !1, line: 23, type: !12)
182 !41 = !DILocation(line: 23, column: 16, scope: !35)
183 !42 = !DILocalVariable(name: "pangolin", scope: !35, file: !1, line: 24, type: !12)
184 !43 = !DILocation(line: 24, column: 16, scope: !35)
185 !44 = !DILocation(line: 25, column: 7, scope: !35)
186 !45 = !DILocation(line: 26, column: 10, scope: !35)
187 !46 = !DILocation(line: 26, column: 3, scope: !35)
188 !47 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 29, type: !36, isLocal: false, isDefinition: true, scopeLine: 29, isOptimized: false, unit: !0, retainedNodes: !2)
189 !48 = !DILocalVariable(name: "dog", scope: !47, file: !1, line: 30, type: !12)
190 !49 = !DILocation(line: 30, column: 16, scope: !47)
191 !50 = !DILocalVariable(name: "cat", scope: !47, file: !1, line: 31, type: !12)
192 !51 = !DILocation(line: 31, column: 16, scope: !47)
193 !52 = !DILocalVariable(name: "pangolin", scope: !47, file: !1, line: 32, type: !12)
194 !53 = !DILocation(line: 32, column: 16, scope: !47)
195 !54 = !DILocation(line: 33, column: 7, scope: !47)
196 !55 = !DILocation(line: 34, column: 10, scope: !47)
197 !56 = !DILocation(line: 34, column: 3, scope: !47)
198 !57 = distinct !DISubprogram(name: "f3", scope: !1, file: !1, line: 37, type: !36, isLocal: false, isDefinition: true, scopeLine: 37, isOptimized: false, unit: !0, retainedNodes: !2)
199 !58 = !DILocalVariable(name: "dog", scope: !57, file: !1, line: 38, type: !12)
200 !59 = !DILocation(line: 38, column: 16, scope: !57)
201 !60 = !DILocalVariable(name: "cat", scope: !57, file: !1, line: 39, type: !12)
202 !61 = !DILocation(line: 39, column: 16, scope: !57)
203 !62 = !DILocalVariable(name: "pangolin", scope: !57, file: !1, line: 40, type: !12)
204 !63 = !DILocation(line: 40, column: 16, scope: !57)
205 !64 = !DILocation(line: 41, column: 7, scope: !57)
206 !65 = !DILocation(line: 42, column: 10, scope: !57)
207 !66 = !DILocation(line: 42, column: 3, scope: !57)
208 !67 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 45, type: !36, isLocal: false, isDefinition: true, scopeLine: 45, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
209 !68 = !DILocalVariable(name: "a", scope: !67, file: !1, line: 46, type: !12)
210 !69 = !DILocation(line: 46, column: 16, scope: !67)
211 !70 = !DILocation(line: 47, column: 3, scope: !67)
212 !71 = !DILocation(line: 48, column: 3, scope: !67)
213 !72 = !DILocation(line: 49, column: 3, scope: !67)
214 !73 = !DILocation(line: 51, column: 3, scope: !67)