1 ; RUN: llc < %s | FileCheck %s
3 ; Verify that we get *two* .debug$S sections, the main one describing bar and
4 ; main, and one for f and fin$f, which is comdat with f.
6 ; Start in the main symbol section describing bar and main.
8 ; CHECK: .section .debug$S,"dr"{{$}}
9 ; CHECK: .long 4 # Debug section magic
10 ; CHECK: # Symbol subsection for bar
11 ; CHECK-NOT: Debug section magic
12 ; CHECK: # Symbol subsection for main
14 ; Emit symbol info for f and its associated code in a separate associated
17 ; CHECK: .section .debug$S,"dr",associative,f{{$}}
18 ; CHECK: .long 4 # Debug section magic
19 ; CHECK: # Symbol subsection for f
20 ; CHECK-NOT: Debug section magic
21 ; CHECK: # Symbol subsection for ?fin$0@0@f@@
23 ; Switch back to the main section for the shared file checksum table and string
26 ; CHECK: .section .debug$S,"dr"{{$}}
27 ; CHECK-NOT: Debug section magic
28 ; CHECK: .cv_filechecksums
29 ; CHECK: .cv_stringtable
30 ; CHECK-NOT: .section .debug$S,
32 ; Generated with this C++ source:
35 ; extern volatile int x;
36 ; inline void __declspec(noinline) f(bool c) {
56 source_filename = "t.cpp"
57 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
58 target triple = "x86_64-pc-windows-msvc19.0.23918"
62 @x = external global i32, align 4
64 ; Function Attrs: norecurse nounwind uwtable
65 define void @bar() #0 !dbg !7 {
67 %0 = load volatile i32, i32* @x, align 4, !dbg !10, !tbaa !11
68 %inc = add nsw i32 %0, 1, !dbg !10
69 store volatile i32 %inc, i32* @x, align 4, !dbg !10, !tbaa !11
73 ; Function Attrs: nounwind uwtable
74 define i32 @main() #1 !dbg !16 {
76 tail call void @f(i32 1), !dbg !20
80 ; Function Attrs: inlinehint noinline nounwind uwtable
81 define linkonce_odr void @f(i32 %c) #2 comdat personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) !dbg !22 {
83 tail call void @llvm.dbg.value(metadata i32 %c, metadata !26, metadata !27), !dbg !28
84 %0 = load volatile i32, i32* @x, align 4, !dbg !29, !tbaa !11
85 %inc = add nsw i32 %0, 1, !dbg !29
86 store volatile i32 %inc, i32* @x, align 4, !dbg !29, !tbaa !11
87 %tobool = icmp eq i32 %c, 0, !dbg !30
88 br i1 %tobool, label %if.else, label %if.then, !dbg !32
90 if.then: ; preds = %entry
91 invoke void bitcast (void (...)* @foo to void ()*)() #6
92 to label %invoke.cont unwind label %ehcleanup, !dbg !33
94 invoke.cont: ; preds = %if.then
95 tail call fastcc void @"\01?fin$0@0@f@@"() #7, !dbg !36
96 br label %if.end, !dbg !37
98 ehcleanup: ; preds = %if.then
99 %1 = cleanuppad within none [], !dbg !36
100 tail call fastcc void @"\01?fin$0@0@f@@"() #7 [ "funclet"(token %1) ], !dbg !36
101 cleanupret from %1 unwind to caller, !dbg !36
103 if.else: ; preds = %entry
104 tail call void @bar(), !dbg !38
107 if.end: ; preds = %if.else, %invoke.cont
108 %2 = load volatile i32, i32* @x, align 4, !dbg !39, !tbaa !11
109 %inc1 = add nsw i32 %2, 1, !dbg !39
110 store volatile i32 %inc1, i32* @x, align 4, !dbg !39, !tbaa !11
114 ; Function Attrs: nounwind
115 define internal fastcc void @"\01?fin$0@0@f@@"() unnamed_addr #3 comdat($f) !dbg !41 {
117 tail call void @llvm.dbg.value(metadata i8* null, metadata !44, metadata !27), !dbg !48
118 tail call void @llvm.dbg.value(metadata i8 0, metadata !46, metadata !27), !dbg !48
119 %0 = load volatile i32, i32* @x, align 4, !dbg !49, !tbaa !11
120 %inc = add nsw i32 %0, 1, !dbg !49
121 store volatile i32 %inc, i32* @x, align 4, !dbg !49, !tbaa !11
125 declare void @foo(...) #4
127 declare i32 @__C_specific_handler(...)
129 ; Function Attrs: nounwind readnone
130 declare void @llvm.dbg.value(metadata, metadata, metadata) #5
132 attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
133 attributes #1 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
134 attributes #2 = { inlinehint noinline nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
135 attributes #3 = { nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
136 attributes #4 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
137 attributes #5 = { nounwind readnone }
138 attributes #6 = { noinline }
139 attributes #7 = { nounwind }
142 !llvm.module.flags = !{!3, !4, !5}
145 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
146 !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
148 !3 = !{i32 2, !"CodeView", i32 1}
149 !4 = !{i32 2, !"Debug Info Version", i32 3}
150 !5 = !{i32 1, !"PIC Level", i32 2}
151 !6 = !{!"clang version 3.9.0 "}
152 !7 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 19, type: !8, isLocal: false, isDefinition: true, scopeLine: 19, isOptimized: true, unit: !0, retainedNodes: !2)
153 !8 = !DISubroutineType(types: !9)
155 !10 = !DILocation(line: 20, column: 4, scope: !7)
156 !11 = !{!12, !12, i64 0}
157 !12 = !{!"int", !13, i64 0}
158 !13 = !{!"omnipotent char", !14, i64 0}
159 !14 = !{!"Simple C/C++ TBAA"}
160 !15 = !DILocation(line: 21, column: 1, scope: !7)
161 !16 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 22, type: !17, isLocal: false, isDefinition: true, scopeLine: 22, isOptimized: true, unit: !0, retainedNodes: !2)
162 !17 = !DISubroutineType(types: !18)
164 !19 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
165 !20 = !DILocation(line: 23, column: 3, scope: !16)
166 !21 = !DILocation(line: 24, column: 1, scope: !16)
167 !22 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 5, type: !23, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !25)
168 !23 = !DISubroutineType(types: !24)
171 !26 = !DILocalVariable(name: "c", arg: 1, scope: !22, file: !1, line: 5, type: !19)
172 !27 = !DIExpression()
173 !28 = !DILocation(line: 5, column: 40, scope: !22)
174 !29 = !DILocation(line: 6, column: 4, scope: !22)
175 !30 = !DILocation(line: 7, column: 7, scope: !31)
176 !31 = distinct !DILexicalBlock(scope: !22, file: !1, line: 7, column: 7)
177 !32 = !DILocation(line: 7, column: 7, scope: !22)
178 !33 = !DILocation(line: 9, column: 7, scope: !34)
179 !34 = distinct !DILexicalBlock(scope: !35, file: !1, line: 8, column: 11)
180 !35 = distinct !DILexicalBlock(scope: !31, file: !1, line: 7, column: 10)
181 !36 = !DILocation(line: 10, column: 5, scope: !34)
182 !37 = !DILocation(line: 13, column: 3, scope: !35)
183 !38 = !DILocation(line: 14, column: 5, scope: !31)
184 !39 = !DILocation(line: 15, column: 4, scope: !22)
185 !40 = !DILocation(line: 16, column: 1, scope: !22)
186 !41 = distinct !DISubprogram(linkageName: "\01?fin$0@0@f@@", scope: !1, file: !1, line: 10, type: !42, isLocal: true, isDefinition: true, scopeLine: 10, flags: DIFlagArtificial, isOptimized: true, unit: !0, retainedNodes: !43)
187 !42 = !DISubroutineType(types: !2)
189 !44 = !DILocalVariable(name: "frame_pointer", arg: 2, scope: !41, type: !45, flags: DIFlagArtificial)
190 !45 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64, align: 64)
191 !46 = !DILocalVariable(name: "abnormal_termination", arg: 1, scope: !41, type: !47, flags: DIFlagArtificial | DIFlagObjectPointer)
192 !47 = !DIBasicType(name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
193 !48 = !DILocation(line: 0, scope: !41)
194 !49 = !DILocation(line: 11, column: 8, scope: !50)
195 !50 = distinct !DILexicalBlock(scope: !41, file: !1, line: 10, column: 17)
196 !51 = !DILocation(line: 12, column: 5, scope: !41)