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