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83 lines
5.4 KiB
83 lines
5.4 KiB
4 months ago
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; RUN: llc %s -filetype=obj -o %t.o
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; RUN: llvm-dwarfdump %t.o | FileCheck %s
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; Test whether DW_OP_over is processed properly.
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; CHECK-LABEL: DW_TAG_array_type
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; CHECK-LABEL: DW_TAG_array_type
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_data_location
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; CHECK: DW_AT_allocated
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; CHECK: DW_TAG_subrange_type
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; CHECK: DW_AT_lower_bound (DW_OP_push_object_address, DW_OP_over, DW_OP_constu 0x30, DW_OP_mul, DW_OP_plus_uconst 0x50, DW_OP_plus, DW_OP_deref)
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; CHECK: DW_AT_upper_bound (DW_OP_push_object_address, DW_OP_over, DW_OP_constu 0x30, DW_OP_mul, DW_OP_plus_uconst 0x78, DW_OP_plus, DW_OP_deref)
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; CHECK: DW_AT_byte_stride (DW_OP_push_object_address, DW_OP_over, DW_OP_constu 0x30, DW_OP_mul, DW_OP_plus_uconst 0x70, DW_OP_plus, DW_OP_deref, DW_OP_lit4, DW_OP_mul)
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; CHECK: DW_TAG_subrange_type
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; CHECK DW_AT_lower_bound (DW_OP_push_object_address, DW_OP_plus_uconst 0x80, DW_OP_deref)
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; CHECK DW_AT_upper_bound (DW_OP_push_object_address, DW_OP_plus_uconst 0xa8, DW_OP_deref)
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; CHECK DW_AT_byte_stride (DW_OP_push_object_address, DW_OP_plus_uconst 0xa0, DW_OP_deref, DW_OP_lit4, DW_OP_mul)
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; CHECK: DW_TAG_subrange_type
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; CHECK DW_AT_lower_bound (DW_OP_push_object_address, DW_OP_plus_uconst 0xb0, DW_OP_deref)
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; CHECK DW_AT_upper_bound (DW_OP_push_object_address, DW_OP_plus_uconst 0xd8, DW_OP_deref)
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; CHECK DW_AT_byte_stride (DW_OP_push_object_address, DW_OP_plus_uconst 0xd0, DW_OP_deref, DW_OP_lit4, DW_OP_mul)
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; Test case is hand written with the help of below Fortran source program.
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; Generated IR is meaning less and goal of it is just to check the
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; processing of DWARF operator DW_OP_over.
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;------------------------------
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;program main
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;integer, allocatable :: arr(:,:,:)
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;allocate(arr(2:20,3:30,4:40))
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;arr(2,3,4)=99
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;print *, arr
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;end program main
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;------------------------------
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; ModuleID = 'over.ll'
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source_filename = "allocated.ll"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @MAIN_() !dbg !5 {
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L.entry:
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%.Z0655_362 = alloca i32*, align 8
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%"arr$sd1_379" = alloca [28 x i64], align 8
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call void @llvm.dbg.declare(metadata i32** %.Z0655_362, metadata !8, metadata !DIExpression()), !dbg !11
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call void @llvm.dbg.declare(metadata i32** %.Z0655_362, metadata !12, metadata !DIExpression()), !dbg !11
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call void @llvm.dbg.declare(metadata [28 x i64]* %"arr$sd1_379", metadata !14, metadata !DIExpression()), !dbg !11
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call void @llvm.dbg.declare(metadata [28 x i64]* %"arr$sd1_379", metadata !19, metadata !DIExpression()), !dbg !11
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ret void, !dbg !25
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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: !4, globals: !4, imports: !4)
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!3 = !DIFile(filename: "over.f90", directory: "/dir")
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!4 = !{}
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!5 = distinct !DISubprogram(name: "main", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagMainSubprogram, unit: !2)
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!6 = !DISubroutineType(cc: DW_CC_program, types: !7)
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!7 = !{null}
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!8 = distinct !DILocalVariable(scope: !5, file: !3, type: !9, flags: DIFlagArtificial)
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64, align: 64)
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!10 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed)
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!11 = !DILocation(line: 0, scope: !5)
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!12 = distinct !DILocalVariable(scope: !5, file: !3, type: !13, flags: DIFlagArtificial)
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!13 = !DIBasicType(name: "logical", size: 32, align: 32, encoding: DW_ATE_boolean)
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!14 = distinct !DILocalVariable(name: "descriptor", scope: !5, file: !3, type: !15)
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!15 = !DICompositeType(tag: DW_TAG_array_type, baseType: !16, size: 1792, align: 64, elements: !17)
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!16 = !DIBasicType(name: "integer*8", size: 64, align: 64, encoding: DW_ATE_signed)
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!17 = !{!18}
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!18 = !DISubrange(lowerBound: 1, upperBound: 28)
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!19 = !DILocalVariable(name: "arr", scope: !5, file: !3, type: !20)
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!20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, size: 32, align: 32, elements: !21, dataLocation: !8, allocated: !12)
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!21 = !{!22, !23, !24}
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!22 = !DISubrange(lowerBound: !DIExpression(DW_OP_push_object_address, DW_OP_over, DW_OP_constu, 48, DW_OP_mul, DW_OP_plus_uconst, 80, DW_OP_plus, DW_OP_deref), upperBound: !DIExpression(DW_OP_push_object_address, DW_OP_over, DW_OP_constu, 48, DW_OP_mul, DW_OP_plus_uconst, 120, DW_OP_plus, DW_OP_deref), stride: !DIExpression(DW_OP_push_object_address, DW_OP_over, DW_OP_constu, 48, DW_OP_mul, DW_OP_plus_uconst, 112, DW_OP_plus, DW_OP_deref, DW_OP_constu, 4, DW_OP_mul))
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!23 = !DISubrange(lowerBound: !DIExpression(DW_OP_push_object_address, DW_OP_plus_uconst, 128, DW_OP_deref), upperBound: !DIExpression(DW_OP_push_object_address, DW_OP_plus_uconst, 168, DW_OP_deref), stride: !DIExpression(DW_OP_push_object_address, DW_OP_plus_uconst, 160, DW_OP_deref, DW_OP_constu, 4, DW_OP_mul))
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!24 = !DISubrange(lowerBound: !DIExpression(DW_OP_push_object_address, DW_OP_plus_uconst, 176, DW_OP_deref), upperBound: !DIExpression(DW_OP_push_object_address, DW_OP_plus_uconst, 216, DW_OP_deref), stride: !DIExpression(DW_OP_push_object_address, DW_OP_plus_uconst, 208, DW_OP_deref, DW_OP_constu, 4, DW_OP_mul))
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!25 = !DILocation(line: 6, column: 1, scope: !5)
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