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6077c65472
This patch upgrades DISubrange to support fortran requirements. Summary: Below are the updates/addition of fields. lowerBound - Now accepts signed integer or DIVariable or DIExpression, earlier it accepted only signed integer. upperBound - This field is now added and accepts signed interger or DIVariable or DIExpression. stride - This field is now added and accepts signed interger or DIVariable or DIExpression. This is required to describe bounds of array which are known at runtime. Testing: unit test cases added (hand-written) check clang check llvm check debug-info Reviewed By: aprantl Differential Revision: https://reviews.llvm.org/D80197
51 lines
2.3 KiB
LLVM
51 lines
2.3 KiB
LLVM
;; This test checks Backward compatibility of DISubrange bounds
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; REQUIRES: x86_64-linux
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; RUN: llvm-dis -o - %s.bc | FileCheck %s
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;; Test whether bounds are generated correctly.
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; CHECK: !DISubrange(count: 15, lowerBound: 3)
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; CHECK: !DISubrange(count: ![[NODE:[0-9]+]], lowerBound: 3)
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; CHECK: ![[NODE]] = distinct !DILocalVariable
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; ModuleID = 'fortsubrange.ll'
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source_filename = "fortsubrange.ll"
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define void @MAIN_() !dbg !10 {
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L.entry:
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%.Z0640_333 = alloca i32*, align 8
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%"arr$sd1_349" = alloca [16 x i64], align 8
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call void @llvm.dbg.declare(metadata i32** %.Z0640_333, metadata !13, metadata !DIExpression(DW_OP_deref)), !dbg !19
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call void @llvm.dbg.declare(metadata [16 x i64]* %"arr$sd1_349", metadata !17, metadata !DIExpression(DW_OP_plus_uconst, 120)), !dbg !19
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ret void, !dbg !20
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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!llvm.module.flags = !{!0, !1}
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!llvm.dbg.cu = !{!2}
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!0 = !{i32 2, !"Dwarf Version", i32 4}
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!1 = !{i32 2, !"Debug Info Version", i32 3}
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!2 = distinct !DICompileUnit(language: DW_LANG_Fortran90, file: !3, producer: " F90 Flang - 1.5 2017-05-01", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !4, imports: !4)
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!3 = !DIFile(filename: "fortsubrange.f90", directory: "/dir")
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!4 = !{}
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!5 = !{!6}
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!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 32, align: 32, elements: !8)
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!7 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed)
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!8 = !{!9}
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!9 = !DISubrange(count: 15, lowerBound: 3)
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!10 = distinct !DISubprogram(name: "main", scope: !2, file: !3, line: 1, type: !11, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagMainSubprogram, unit: !2)
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!11 = !DISubroutineType(cc: DW_CC_program, types: !12)
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!12 = !{null}
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!13 = !DILocalVariable(name: "arr", scope: !10, file: !3, type: !14)
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!14 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 32, align: 32, elements: !15)
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!15 = !{!16}
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!16 = !DISubrange(count: !17, lowerBound: 3)
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!17 = distinct !DILocalVariable(scope: !10, file: !3, type: !18, flags: DIFlagArtificial)
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!18 = !DIBasicType(name: "integer*8", size: 64, align: 64, encoding: DW_ATE_signed)
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!19 = !DILocation(line: 0, scope: !10)
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!20 = !DILocation(line: 6, column: 1, scope: !10)
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