[llvm] 5327b91 - DebugInfo: Add missing test coverage for DW_OP_convert in loclists

[David Blaikie via llvm-commits]

On Tue, Feb 4, 2020 at 10:06 AM Robinson, Paul <paul.robinson at sony.com>
wrote:

> Nico already reverted this and the related commits, but you want
> to use `%llc_dwarf` to avoid complaints on Windows.
>

Any idea why this isn't always needed? I cribbed this from
convert-debugloc.ll which doesn't use %llc_dwarf


> --paulr
>
> > -----Original Message-----
> > From: llvm-commits <llvm-commits-bounces at lists.llvm.org> On Behalf Of
> > David Blaikie via llvm-commits
> > Sent: Monday, February 3, 2020 6:22 PM
> > To: llvm-commits at lists.llvm.org
> > Subject: [llvm] 5327b91 - DebugInfo: Add missing test coverage for
> > DW_OP_convert in loclists
> >
> >
> > Author: David Blaikie
> > Date: 2020-02-03T18:21:27-08:00
> > New Revision: 5327b917e3bd0b3db352cb5a61eea7409f2d1972
> >
> > URL: https://github.com/llvm/llvm-
> > project/commit/5327b917e3bd0b3db352cb5a61eea7409f2d1972
> > DIFF: https://github.com/llvm/llvm-
> > project/commit/5327b917e3bd0b3db352cb5a61eea7409f2d1972.diff
> >
> > LOG: DebugInfo: Add missing test coverage for DW_OP_convert in loclists
> >
> > Added:
> >     llvm/test/DebugInfo/X86/convert-loclist.ll
> >
> > Modified:
> >
> >
> > Removed:
> >
> >
> >
> > ########################################################################
> > ########
> > diff  --git a/llvm/test/DebugInfo/X86/convert-loclist.ll
> > b/llvm/test/DebugInfo/X86/convert-loclist.ll
> > new file mode 100644
> > index 000000000000..5ef81b3423c0
> > --- /dev/null
> > +++ b/llvm/test/DebugInfo/X86/convert-loclist.ll
> > @@ -0,0 +1,46 @@
> > +; RUN: llc -dwarf-version=5 -filetype=obj -O0 < %s | llvm-dwarfdump -
> > debug-loclists - | FileCheck %s
> > +
> > +; CHECK: DW_LLE_offset_pair (0x0000000000000006, 0x000000000000000c):
> > DW_OP_consts +7, DW_OP_convert 0x27, DW_OP_stack_value
> > +
> > +
> > +; Function Attrs: uwtable
> > +define dso_local void @_Z2f2v() local_unnamed_addr #0 !dbg !11 {
> > +entry:
> > +  tail call void @_Z2f1v(), !dbg !15
> > +  call void @llvm.dbg.value(metadata i32 7, metadata !13, metadata
> > !DIExpression(DW_OP_LLVM_convert, 32, DW_ATE_unsigned,
> > DW_OP_stack_value)), !dbg !16
> > +  tail call void @_Z2f1v(), !dbg !17
> > +  ret void, !dbg !18
> > +}
> > +
> > +declare !dbg !4 dso_local void @_Z2f1v() local_unnamed_addr #1
> > +
> > +; Function Attrs: nounwind readnone speculatable willreturn
> > +declare void @llvm.dbg.value(metadata, metadata, metadata) #2
> > +
> > +attributes #0 = { uwtable "correctly-rounded-divide-sqrt-fp-
> > math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-
> > precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-
> > math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-
> > signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-
> > protector-buffer-size"="8" "target-cpu"="x86-64" "target-
> > features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false"
> > "use-soft-float"="false" }
> > +attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false"
> > "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-
> > fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-
> > signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-
> > protector-buffer-size"="8" "target-cpu"="x86-64" "target-
> > features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false"
> > "use-soft-float"="false" }
> > +attributes #2 = { nounwind readnone speculatable willreturn }
> > +
> > +!llvm.dbg.cu = !{!0}
> > +!llvm.module.flags = !{!7, !8, !9}
> > +!llvm.ident = !{!10}
> > +
> > +!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file:
> > !1, producer: "clang version 11.0.0 (git at github.com:llvm/llvm-
> > project.git edc3f4f02e54c2ae1067f60f6a0ed6caf5b92ef6)", isOptimized:
> > true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2,
> > retainedTypes: !3, splitDebugInlining: false, nameTableKind: None)
> > +!1 = !DIFile(filename: "loc.cpp", directory:
> > "/usr/local/google/home/blaikie/dev/scratch")
> > +!2 = !{}
> > +!3 = !{!4}
> > +!4 = !DISubprogram(name: "f1", linkageName: "_Z2f1v", scope: !1, file:
> > !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags:
> > DISPFlagOptimized, retainedNodes: !2)
> > +!5 = !DISubroutineType(types: !6)
> > +!6 = !{null}
> > +!7 = !{i32 7, !"Dwarf Version", i32 5}
> > +!8 = !{i32 2, !"Debug Info Version", i32 3}
> > +!9 = !{i32 1, !"wchar_size", i32 4}
> > +!10 = !{!"clang version 11.0.0 (git at github.com:llvm/llvm-project.git
> > edc3f4f02e54c2ae1067f60f6a0ed6caf5b92ef6)"}
> > +!11 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", scope:
> > !1, file: !1, line: 2, type: !5, scopeLine: 2, flags: DIFlagPrototyped |
> > DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition |
> > DISPFlagOptimized, unit: !0, retainedNodes: !12)
> > +!12 = !{!13}
> > +!13 = !DILocalVariable(name: "x", scope: !11, file: !1, line: 3, type:
> > !14)
> > +!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
> > +!15 = !DILocation(line: 4, column: 3, scope: !11)
> > +!16 = !DILocation(line: 0, scope: !11)
> > +!17 = !DILocation(line: 6, column: 3, scope: !11)
> > +!18 = !DILocation(line: 7, column: 1, scope: !11)
> >
> >
> >
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>
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