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https://github.com/RPCS3/llvm.git
synced 2026-08-28 05:10:05 -04:00
Adrian Prantl
69e607f200
This change simplifies code that has to deal with DIGlobalVariableExpression and mirrors how we treat DIExpressions in debug info intrinsics. Before this change there were two ways of representing empty expressions on globals, a nullptr and an empty !DIExpression(). If someone needs to upgrade out-of-tree testcases: perl -pi -e 's/(!DIGlobalVariableExpression\(var: ![0-9]*)\)/\1, expr: !DIExpression())/g' <MYTEST.ll> will catch 95%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312144 91177308-0d34-0410-b5e6-96231b3b80d8
65 lines
3.3 KiB
LLVM
65 lines
3.3 KiB
LLVM
; RUN: llc -O2 -march=bpfel %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s
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; RUN: llc -O2 -march=bpfeb %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s
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source_filename = "testprog.c"
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target datalayout = "e-m:e-p:64:64-i64:64-n32:64-S128"
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target triple = "bpf"
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@testprog.myvar_c = internal unnamed_addr global i32 0, align 4, !dbg !0
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; Function Attrs: nounwind
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define i32 @testprog(i32, i32) local_unnamed_addr #0 !dbg !2 {
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tail call void @llvm.dbg.value(metadata i32 %0, i64 0, metadata !11, metadata !16), !dbg !17
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tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !12, metadata !16), !dbg !18
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%3 = load i32, i32* @testprog.myvar_c, align 4, !dbg !19, !tbaa !20
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%4 = add i32 %1, %0, !dbg !24
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%5 = add i32 %4, %3, !dbg !25
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store i32 %5, i32* @testprog.myvar_c, align 4, !dbg !26, !tbaa !20
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ret i32 %5, !dbg !27
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!7}
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!llvm.module.flags = !{!13, !14}
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!llvm.ident = !{!15}
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!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "myvar_c", scope: !2, file: !3, line: 3, type: !6, isLocal: true, isDefinition: true)
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!2 = distinct !DISubprogram(name: "testprog", scope: !3, file: !3, line: 1, type: !4, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !7, variables: !10)
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!3 = !DIFile(filename: "testprog.c", directory: "/w/llvm/bld")
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!4 = !DISubroutineType(types: !5)
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!5 = !{!6, !6, !6}
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 4.0.0 (trunk 287518) (llvm/trunk 287520)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !8, globals: !9)
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!8 = !{}
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!9 = !{!0}
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!10 = !{!11, !12}
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!11 = !DILocalVariable(name: "myvar_a", arg: 1, scope: !2, file: !3, line: 1, type: !6)
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!12 = !DILocalVariable(name: "myvar_b", arg: 2, scope: !2, file: !3, line: 1, type: !6)
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!13 = !{i32 2, !"Dwarf Version", i32 4}
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!14 = !{i32 2, !"Debug Info Version", i32 3}
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!15 = !{!"clang version 4.0.0 (trunk 287518) (llvm/trunk 287520)"}
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!16 = !DIExpression()
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!17 = !DILocation(line: 1, column: 18, scope: !2)
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!18 = !DILocation(line: 1, column: 31, scope: !2)
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!19 = !DILocation(line: 5, column: 19, scope: !2)
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!20 = !{!21, !21, i64 0}
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!21 = !{!"int", !22, i64 0}
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!22 = !{!"omnipotent char", !23, i64 0}
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!23 = !{!"Simple C/C++ TBAA"}
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!24 = !DILocation(line: 5, column: 27, scope: !2)
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!25 = !DILocation(line: 7, column: 27, scope: !2)
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!26 = !DILocation(line: 7, column: 17, scope: !2)
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!27 = !DILocation(line: 9, column: 9, scope: !2)
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; CHECK: file_names[ 1] 0 0x00000000 0x00000000 testprog.c
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; CHECK: 0x0000000000000000 2
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; CHECK: 0x0000000000000020 7
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