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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
36 lines
1.4 KiB
LLVM
36 lines
1.4 KiB
LLVM
;; This test checks whether c default lowerBound is removed.
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; REQUIRES: x86_64-linux
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; RUN: %llc_dwarf %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s
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;; c default DW_AT_lower_bound(0) is not dumped.
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; CHECK-LABEL: DW_TAG_subrange_type
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; CHECK-NEXT: DW_AT_type
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; CHECK-NEXT: DW_AT_upper_bound (4)
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;; c non-default lowerBound=1 is dumped.
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; CHECK-LABEL: DW_TAG_subrange_type
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; CHECK-NEXT: DW_AT_type
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; CHECK-NEXT: DW_AT_lower_bound (1)
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; CHECK-NEXT: DW_AT_upper_bound (5)
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; ModuleID = 'cDefaultLower.c'
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source_filename = "cDefaultLower.c"
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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_C99, file: !3, producer: "clang version 11.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !4, imports: !4)
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!3 = !DIFile(filename: "cDefaultLower.c", directory: "dir")
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!4 = !{}
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!5 = !{!6, !10}
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!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 160, 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(lowerBound: 0, upperBound: 4)
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!10 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 160, align: 32, elements: !11)
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!11 = !{!12}
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!12 = !DISubrange(lowerBound: 1, upperBound: 5)
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