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 ; RUN: llc --try-experimental-debuginfo-iterators %s -verify-machineinstrs -enable-machine-outliner -mtriple=x86_64-apple-darwin -o /dev/null -print-after=machine-outliner
7 define void @f6() #0 !dbg !8 {
9 %dog = alloca i32, align 4
10 %cat = alloca i32, align 4
11 %pangolin = alloca i32, align 4
12 call void @llvm.dbg.declare(metadata ptr %dog, metadata !11, metadata !DIExpression()), !dbg !13
13 store i32 16, ptr %dog, align 4, !dbg !13
14 call void @llvm.dbg.declare(metadata ptr %cat, metadata !14, metadata !DIExpression()), !dbg !15
15 store i32 32, ptr %cat, align 4, !dbg !15
16 call void @llvm.dbg.declare(metadata ptr %pangolin, metadata !16, metadata !DIExpression()), !dbg !17
17 store i32 48, ptr %pangolin, align 4, !dbg !17
21 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
23 define void @f5() #0 !dbg !19 {
25 %dog = alloca i32, align 4
26 %cat = alloca i32, align 4
27 %pangolin = alloca i32, align 4
28 call void @llvm.dbg.declare(metadata ptr %dog, metadata !20, metadata !DIExpression()), !dbg !21
29 store i32 16, ptr %dog, align 4, !dbg !21
30 call void @llvm.dbg.declare(metadata ptr %cat, metadata !22, metadata !DIExpression()), !dbg !23
31 store i32 32, ptr %cat, align 4, !dbg !23
32 call void @llvm.dbg.declare(metadata ptr %pangolin, metadata !24, metadata !DIExpression()), !dbg !25
33 store i32 48, ptr %pangolin, align 4, !dbg !25
37 define void @f4() #0 !dbg !27 {
39 %dog = alloca i32, align 4
40 %cat = alloca i32, align 4
41 %pangolin = alloca i32, align 4
42 call void @llvm.dbg.declare(metadata ptr %dog, metadata !28, metadata !DIExpression()), !dbg !29
43 store i32 16, ptr %dog, align 4, !dbg !29
44 call void @llvm.dbg.declare(metadata ptr %cat, metadata !30, metadata !DIExpression()), !dbg !31
45 store i32 32, ptr %cat, align 4, !dbg !31
46 call void @llvm.dbg.declare(metadata ptr %pangolin, metadata !32, metadata !DIExpression()), !dbg !33
47 store i32 48, ptr %pangolin, align 4, !dbg !33
51 define i32 @f1() #0 !dbg !35 {
53 %dog = alloca i32, align 4
54 %cat = alloca i32, align 4
55 %pangolin = alloca i32, align 4
56 call void @llvm.dbg.declare(metadata ptr %dog, metadata !38, metadata !DIExpression()), !dbg !39
57 store i32 1, ptr %dog, align 4, !dbg !39
58 call void @llvm.dbg.declare(metadata ptr %cat, metadata !40, metadata !DIExpression()), !dbg !41
59 store i32 2, ptr %cat, align 4, !dbg !41
60 call void @llvm.dbg.declare(metadata ptr %pangolin, metadata !42, metadata !DIExpression()), !dbg !43
61 store i32 3, ptr %pangolin, align 4, !dbg !43
62 store i32 16, ptr %dog, align 4, !dbg !44
63 %0 = load i32, ptr %dog, align 4, !dbg !45
67 define i32 @f2() #0 !dbg !47 {
69 %dog = alloca i32, align 4
70 %cat = alloca i32, align 4
71 %pangolin = alloca i32, align 4
72 call void @llvm.dbg.declare(metadata ptr %dog, metadata !48, metadata !DIExpression()), !dbg !49
73 store i32 1, ptr %dog, align 4, !dbg !49
74 call void @llvm.dbg.declare(metadata ptr %cat, metadata !50, metadata !DIExpression()), !dbg !51
75 store i32 2, ptr %cat, align 4, !dbg !51
76 call void @llvm.dbg.declare(metadata ptr %pangolin, metadata !52, metadata !DIExpression()), !dbg !53
77 store i32 3, ptr %pangolin, align 4, !dbg !53
78 store i32 16, ptr %dog, align 4, !dbg !54
79 %0 = load i32, ptr %dog, align 4, !dbg !55
83 define i32 @f3() #0 !dbg !57 {
85 %dog = alloca i32, align 4
86 %cat = alloca i32, align 4
87 %pangolin = alloca i32, align 4
88 call void @llvm.dbg.declare(metadata ptr %dog, metadata !58, metadata !DIExpression()), !dbg !59
89 store i32 1, ptr %dog, align 4, !dbg !59
90 call void @llvm.dbg.declare(metadata ptr %cat, metadata !60, metadata !DIExpression()), !dbg !61
91 store i32 2, ptr %cat, align 4, !dbg !61
92 call void @llvm.dbg.declare(metadata ptr %pangolin, metadata !62, metadata !DIExpression()), !dbg !63
93 store i32 3, ptr %pangolin, align 4, !dbg !63
94 store i32 16, ptr %dog, align 4, !dbg !64
95 %0 = load i32, ptr %dog, align 4, !dbg !65
99 define i32 @main() #0 !dbg !67 {
101 %retval = alloca i32, align 4
102 %a = alloca i32, align 4
103 store i32 0, ptr %retval, align 4
104 call void @llvm.dbg.declare(metadata ptr %a, metadata !68, metadata !DIExpression()), !dbg !69
105 store i32 4, ptr %a, align 4, !dbg !69
106 %call = call i32 @f1() #2, !dbg !70
107 %call1 = call i32 @f2() #2, !dbg !71
108 %call2 = call i32 @f3() #2, !dbg !72
112 ; CHECK: distinct !DISubprogram(name: "OUTLINED_FUNCTION_1",
113 ; CHECK-SAME: scope: !1,
114 ; CHECK-SAME: file: !1,
115 ; CHECK-SAME: type: [[TYPE:![0-9]+]],
116 ; CHECK-SAME: isLocal: false,
117 ; CHECK-SAME: isDefinition: true,
118 ; CHECK-SAME: flags: DIFlagArtificial,
119 ; CHECK-SAME: isOptimized: true,
120 ; CHECK-SAME: unit: !0,
121 ; CHECK-SAME: retainedNodes: [[VARS:![0-9]+]]
123 ; CHECK: distinct !DISubprogram(name: "OUTLINED_FUNCTION_0",
124 ; CHECK-SAME: scope: !1,
125 ; CHECK-SAME: file: !1,
126 ; CHECK-SAME: type: [[TYPE]],
127 ; CHECK-SAME: isLocal: false,
128 ; CHECK-SAME: isDefinition: true,
129 ; CHECK-SAME: flags: DIFlagArtificial,
130 ; CHECK-SAME: isOptimized: true,
131 ; CHECK-SAME: unit: !0,
132 ; CHECK-SAME: retainedNodes: [[VARS]]
134 attributes #0 = { noinline noredzone nounwind optnone ssp uwtable "frame-pointer"="all" }
135 attributes #1 = { nounwind readnone speculatable }
136 attributes #2 = { noredzone }
139 !llvm.module.flags = !{!3, !4, !5, !6}
142 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
143 !1 = !DIFile(filename: "test.c", directory: "/")
145 !3 = !{i32 2, !"Dwarf Version", i32 4}
146 !4 = !{i32 2, !"Debug Info Version", i32 3}
147 !5 = !{i32 1, !"wchar_size", i32 4}
148 !6 = !{i32 7, !"PIC Level", i32 2}
150 !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)
151 !9 = !DISubroutineType(types: !10)
153 !11 = !DILocalVariable(name: "dog", scope: !8, file: !1, line: 4, type: !12)
154 !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
155 !13 = !DILocation(line: 4, column: 16, scope: !8)
156 !14 = !DILocalVariable(name: "cat", scope: !8, file: !1, line: 5, type: !12)
157 !15 = !DILocation(line: 5, column: 16, scope: !8)
158 !16 = !DILocalVariable(name: "pangolin", scope: !8, file: !1, line: 6, type: !12)
159 !17 = !DILocation(line: 6, column: 16, scope: !8)
160 !18 = !DILocation(line: 7, column: 1, scope: !8)
161 !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)
162 !20 = !DILocalVariable(name: "dog", scope: !19, file: !1, line: 10, type: !12)
163 !21 = !DILocation(line: 10, column: 16, scope: !19)
164 !22 = !DILocalVariable(name: "cat", scope: !19, file: !1, line: 11, type: !12)
165 !23 = !DILocation(line: 11, column: 16, scope: !19)
166 !24 = !DILocalVariable(name: "pangolin", scope: !19, file: !1, line: 12, type: !12)
167 !25 = !DILocation(line: 12, column: 16, scope: !19)
168 !26 = !DILocation(line: 13, column: 1, scope: !19)
169 !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)
170 !28 = !DILocalVariable(name: "dog", scope: !27, file: !1, line: 16, type: !12)
171 !29 = !DILocation(line: 16, column: 16, scope: !27)
172 !30 = !DILocalVariable(name: "cat", scope: !27, file: !1, line: 17, type: !12)
173 !31 = !DILocation(line: 17, column: 16, scope: !27)
174 !32 = !DILocalVariable(name: "pangolin", scope: !27, file: !1, line: 18, type: !12)
175 !33 = !DILocation(line: 18, column: 16, scope: !27)
176 !34 = !DILocation(line: 19, column: 1, scope: !27)
177 !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)
178 !36 = !DISubroutineType(types: !37)
180 !38 = !DILocalVariable(name: "dog", scope: !35, file: !1, line: 22, type: !12)
181 !39 = !DILocation(line: 22, column: 16, scope: !35)
182 !40 = !DILocalVariable(name: "cat", scope: !35, file: !1, line: 23, type: !12)
183 !41 = !DILocation(line: 23, column: 16, scope: !35)
184 !42 = !DILocalVariable(name: "pangolin", scope: !35, file: !1, line: 24, type: !12)
185 !43 = !DILocation(line: 24, column: 16, scope: !35)
186 !44 = !DILocation(line: 25, column: 7, scope: !35)
187 !45 = !DILocation(line: 26, column: 10, scope: !35)
188 !46 = !DILocation(line: 26, column: 3, scope: !35)
189 !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)
190 !48 = !DILocalVariable(name: "dog", scope: !47, file: !1, line: 30, type: !12)
191 !49 = !DILocation(line: 30, column: 16, scope: !47)
192 !50 = !DILocalVariable(name: "cat", scope: !47, file: !1, line: 31, type: !12)
193 !51 = !DILocation(line: 31, column: 16, scope: !47)
194 !52 = !DILocalVariable(name: "pangolin", scope: !47, file: !1, line: 32, type: !12)
195 !53 = !DILocation(line: 32, column: 16, scope: !47)
196 !54 = !DILocation(line: 33, column: 7, scope: !47)
197 !55 = !DILocation(line: 34, column: 10, scope: !47)
198 !56 = !DILocation(line: 34, column: 3, scope: !47)
199 !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)
200 !58 = !DILocalVariable(name: "dog", scope: !57, file: !1, line: 38, type: !12)
201 !59 = !DILocation(line: 38, column: 16, scope: !57)
202 !60 = !DILocalVariable(name: "cat", scope: !57, file: !1, line: 39, type: !12)
203 !61 = !DILocation(line: 39, column: 16, scope: !57)
204 !62 = !DILocalVariable(name: "pangolin", scope: !57, file: !1, line: 40, type: !12)
205 !63 = !DILocation(line: 40, column: 16, scope: !57)
206 !64 = !DILocation(line: 41, column: 7, scope: !57)
207 !65 = !DILocation(line: 42, column: 10, scope: !57)
208 !66 = !DILocation(line: 42, column: 3, scope: !57)
209 !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)
210 !68 = !DILocalVariable(name: "a", scope: !67, file: !1, line: 46, type: !12)
211 !69 = !DILocation(line: 46, column: 16, scope: !67)
212 !70 = !DILocation(line: 47, column: 3, scope: !67)
213 !71 = !DILocation(line: 48, column: 3, scope: !67)
214 !72 = !DILocation(line: 49, column: 3, scope: !67)
215 !73 = !DILocation(line: 51, column: 3, scope: !67)