197 lines
9.0 KiB
LLVM
197 lines
9.0 KiB
LLVM
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; RUN: llc < %s | FileCheck %s
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; Verify that we get *two* .debug$S sections, the main one describing bar and
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; main, and one for f and fin$f, which is comdat with f.
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; Start in the main symbol section describing bar and main.
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; CHECK: .section .debug$S,"dr"{{$}}
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; CHECK: .long 4 # Debug section magic
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; CHECK: # Symbol subsection for bar
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; CHECK-NOT: Debug section magic
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; CHECK: # Symbol subsection for main
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; Emit symbol info for f and its associated code in a separate associated
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; section.
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; CHECK: .section .debug$S,"dr",associative,f{{$}}
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; CHECK: .long 4 # Debug section magic
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; CHECK: # Symbol subsection for f
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; CHECK-NOT: Debug section magic
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; CHECK: # Symbol subsection for ?fin$0@0@f@@
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; Switch back to the main section for the shared file checksum table and string
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; table.
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; CHECK: .section .debug$S,"dr"{{$}}
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; CHECK-NOT: Debug section magic
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; CHECK: .cv_filechecksums
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; CHECK: .cv_stringtable
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; CHECK-NOT: .section .debug$S,
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; Generated with this C++ source:
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; void foo();
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; void bar();
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; extern volatile int x;
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; inline void __declspec(noinline) f(bool c) {
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; x++;
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; if (c) {
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; __try {
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; foo();
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; } __finally {
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; x++;
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; }
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; } else
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; bar();
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; x++;
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; }
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; void bar() {
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; x++;
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; }
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; int main() {
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; f(true);
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; }
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; ModuleID = 't.cpp'
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source_filename = "t.cpp"
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc19.0.23918"
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$f = comdat any
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@x = external global i32, align 4
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; Function Attrs: norecurse nounwind uwtable
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define void @bar() #0 !dbg !7 {
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entry:
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%0 = load volatile i32, i32* @x, align 4, !dbg !10, !tbaa !11
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%inc = add nsw i32 %0, 1, !dbg !10
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store volatile i32 %inc, i32* @x, align 4, !dbg !10, !tbaa !11
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ret void, !dbg !15
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}
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; Function Attrs: nounwind uwtable
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define i32 @main() #1 !dbg !16 {
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entry:
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tail call void @f(i32 1), !dbg !20
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ret i32 0, !dbg !21
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}
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; Function Attrs: inlinehint noinline nounwind uwtable
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define linkonce_odr void @f(i32 %c) #2 comdat personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) !dbg !22 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 %c, metadata !26, metadata !27), !dbg !28
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%0 = load volatile i32, i32* @x, align 4, !dbg !29, !tbaa !11
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%inc = add nsw i32 %0, 1, !dbg !29
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store volatile i32 %inc, i32* @x, align 4, !dbg !29, !tbaa !11
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%tobool = icmp eq i32 %c, 0, !dbg !30
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br i1 %tobool, label %if.else, label %if.then, !dbg !32
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if.then: ; preds = %entry
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invoke void bitcast (void (...)* @foo to void ()*)() #6
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to label %invoke.cont unwind label %ehcleanup, !dbg !33
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invoke.cont: ; preds = %if.then
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tail call fastcc void @"\01?fin$0@0@f@@"() #7, !dbg !36
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br label %if.end, !dbg !37
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ehcleanup: ; preds = %if.then
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%1 = cleanuppad within none [], !dbg !36
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tail call fastcc void @"\01?fin$0@0@f@@"() #7 [ "funclet"(token %1) ], !dbg !36
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cleanupret from %1 unwind to caller, !dbg !36
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if.else: ; preds = %entry
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tail call void @bar(), !dbg !38
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br label %if.end
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if.end: ; preds = %if.else, %invoke.cont
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%2 = load volatile i32, i32* @x, align 4, !dbg !39, !tbaa !11
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%inc1 = add nsw i32 %2, 1, !dbg !39
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store volatile i32 %inc1, i32* @x, align 4, !dbg !39, !tbaa !11
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ret void, !dbg !40
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}
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; Function Attrs: nounwind
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define internal fastcc void @"\01?fin$0@0@f@@"() unnamed_addr #3 comdat($f) !dbg !41 {
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entry:
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tail call void @llvm.dbg.value(metadata i8* null, metadata !44, metadata !27), !dbg !48
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tail call void @llvm.dbg.value(metadata i8 0, metadata !46, metadata !27), !dbg !48
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%0 = load volatile i32, i32* @x, align 4, !dbg !49, !tbaa !11
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%inc = add nsw i32 %0, 1, !dbg !49
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store volatile i32 %inc, i32* @x, align 4, !dbg !49, !tbaa !11
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ret void, !dbg !51
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}
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declare void @foo(...) #4
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declare i32 @__C_specific_handler(...)
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #5
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attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
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attributes #1 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
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attributes #2 = { inlinehint noinline nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
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attributes #3 = { nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
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attributes #4 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
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attributes #5 = { nounwind readnone }
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attributes #6 = { noinline }
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attributes #7 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
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!2 = !{}
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!3 = !{i32 2, !"CodeView", i32 1}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"PIC Level", i32 2}
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!6 = !{!"clang version 3.9.0 "}
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!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)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null}
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!10 = !DILocation(line: 20, column: 4, scope: !7)
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!11 = !{!12, !12, i64 0}
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!12 = !{!"int", !13, i64 0}
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!13 = !{!"omnipotent char", !14, i64 0}
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!14 = !{!"Simple C/C++ TBAA"}
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!15 = !DILocation(line: 21, column: 1, scope: !7)
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!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)
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!17 = !DISubroutineType(types: !18)
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!18 = !{!19}
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!19 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!20 = !DILocation(line: 23, column: 3, scope: !16)
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!21 = !DILocation(line: 24, column: 1, scope: !16)
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!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)
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!23 = !DISubroutineType(types: !24)
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!24 = !{null, !19}
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!25 = !{!26}
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!26 = !DILocalVariable(name: "c", arg: 1, scope: !22, file: !1, line: 5, type: !19)
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!27 = !DIExpression()
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!28 = !DILocation(line: 5, column: 40, scope: !22)
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!29 = !DILocation(line: 6, column: 4, scope: !22)
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!30 = !DILocation(line: 7, column: 7, scope: !31)
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!31 = distinct !DILexicalBlock(scope: !22, file: !1, line: 7, column: 7)
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!32 = !DILocation(line: 7, column: 7, scope: !22)
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!33 = !DILocation(line: 9, column: 7, scope: !34)
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!34 = distinct !DILexicalBlock(scope: !35, file: !1, line: 8, column: 11)
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!35 = distinct !DILexicalBlock(scope: !31, file: !1, line: 7, column: 10)
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!36 = !DILocation(line: 10, column: 5, scope: !34)
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!37 = !DILocation(line: 13, column: 3, scope: !35)
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!38 = !DILocation(line: 14, column: 5, scope: !31)
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!39 = !DILocation(line: 15, column: 4, scope: !22)
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!40 = !DILocation(line: 16, column: 1, scope: !22)
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!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)
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!42 = !DISubroutineType(types: !2)
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!43 = !{!44, !46}
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!44 = !DILocalVariable(name: "frame_pointer", arg: 2, scope: !41, type: !45, flags: DIFlagArtificial)
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!45 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64, align: 64)
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!46 = !DILocalVariable(name: "abnormal_termination", arg: 1, scope: !41, type: !47, flags: DIFlagArtificial | DIFlagObjectPointer)
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!47 = !DIBasicType(name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
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!48 = !DILocation(line: 0, scope: !41)
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!49 = !DILocation(line: 11, column: 8, scope: !50)
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!50 = distinct !DILexicalBlock(scope: !41, file: !1, line: 10, column: 17)
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!51 = !DILocation(line: 12, column: 5, scope: !41)
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