1 ; RUN: llc < %s | FileCheck %s 2 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. 5 6 ; Start in the main symbol section describing bar and main. 7 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 13 14 ; Emit symbol info for f and its associated code in a separate associated 15 ; section. 16 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$0@0@f@@ 22 23 ; Switch back to the main section for the shared file checksum table and string 24 ; table. 25 26 ; CHECK: .section .debug$S,"dr"{{$}} 27 ; CHECK-NOT: Debug section magic 28 ; CHECK: .cv_filechecksums 29 ; CHECK: .cv_stringtable 30 ; CHECK-NOT: .section .debug$S, 31 32 ; Generated with this C++ source: 33 ; void foo(); 34 ; void bar(); 35 ; extern volatile int x; 36 ; inline void __declspec(noinline) f(bool c) { 37 ; x++; 38 ; if (c) { 39 ; __try { 40 ; foo(); 41 ; } __finally { 42 ; x++; 43 ; } 44 ; } else 45 ; bar(); 46 ; x++; 47 ; } 48 ; void bar() { 49 ; x++; 50 ; } 51 ; int main() { 52 ; f(true); 53 ; } 54 55 ; ModuleID = 't.cpp' 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" 59 60 $f = comdat any 61 62 @x = external global i32, align 4 63 64 ; Function Attrs: norecurse nounwind uwtable 65 define void @bar() #0 !dbg !7 { 66 entry: 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 70 ret void, !dbg !15 71 } 72 73 ; Function Attrs: nounwind uwtable 74 define i32 @main() #1 !dbg !16 { 75 entry: 76 tail call void @f(i32 1), !dbg !20 77 ret i32 0, !dbg !21 78 } 79 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 { 82 entry: 83 tail call void @llvm.dbg.value(metadata i32 %c, i64 0, 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 89 90 if.then: ; preds = %entry 91 invoke void bitcast (void (...)* @foo to void ()*)() #6 92 to label %invoke.cont unwind label %ehcleanup, !dbg !33 93 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 97 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 !36 102 103 if.else: ; preds = %entry 104 tail call void @bar(), !dbg !38 105 br label %if.end 106 107 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 !11 111 ret void, !dbg !40 112 } 113 114 ; Function Attrs: nounwind 115 define internal fastcc void @"\01?fin$0@0@f@@"() unnamed_addr #3 comdat($f) !dbg !41 { 116 entry: 117 tail call void @llvm.dbg.value(metadata i8* null, i64 0, metadata !44, metadata !27), !dbg !48 118 tail call void @llvm.dbg.value(metadata i8 0, i64 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 !11 122 ret void, !dbg !51 123 } 124 125 declare void @foo(...) #4 126 127 declare i32 @__C_specific_handler(...) 128 129 ; Function Attrs: nounwind readnone 130 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #5 131 132 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 } 140 141 !llvm.dbg.cu = !{!0} 142 !llvm.module.flags = !{!3, !4, !5} 143 !llvm.ident = !{!6} 144 145 !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") 147 !2 = !{} 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, variables: !2) 153 !8 = !DISubroutineType(types: !9) 154 !9 = !{null} 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, variables: !2) 162 !17 = !DISubroutineType(types: !18) 163 !18 = !{!19} 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, variables: !25) 168 !23 = !DISubroutineType(types: !24) 169 !24 = !{null, !19} 170 !25 = !{!26} 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, variables: !43) 187 !42 = !DISubroutineType(types: !2) 188 !43 = !{!44, !46} 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) 197
