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92 lines
4.1 KiB
LLVM
92 lines
4.1 KiB
LLVM
; This test verifies that the debug info for an external Fortran module
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; is correctly generated.
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;
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; To generate the test source, compile the following two files in order in
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; the same directory (as the second compilation uses the .mod from the first):
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; external_module.f90 (to compile: <fortran compiler> -g -c external_module.f90)
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; module external_module
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; real :: dummy
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; end module external_module
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;
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; em.f90 (to compile: <fortran compierl> -g -llvm-emit -c -S em.f90)
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; program use_external_module
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; use external_module
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; implicit none
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;
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; real :: x
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; x = 2.0 + dummy
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;
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; end program use_external_module
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;
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; The test would be in em.ll.
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; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s
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; CHECK: [[DIE_ID:0x[0-9a-f]+]]: DW_TAG_module
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; CHECK-NEXT: DW_AT_name ("external_module")
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; CHECK-NEXT: DW_AT_declaration (true)
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; CHECK: DW_TAG_imported_module
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; CHECK-NEXT: DW_AT_decl_file
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; CHECK-NEXT: DW_AT_decl_line
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; CHECK-NEXT: DW_AT_import ([[DIE_ID]])
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; When the debugger sees the module being imported is a declaration,
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; it should go to the global scope to find the module's definition.
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; ModuleID = 'em.f90'
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source_filename = "em.f90"
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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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@external_module_mp_dummy_ = available_externally global float 0.000000e+00, align 8, !dbg !0
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@0 = internal unnamed_addr constant i32 2
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; Function Attrs: noinline nounwind uwtable
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define void @MAIN__() #0 !dbg !2 {
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alloca_0:
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%"var$1" = alloca [8 x i64], align 8
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%"use_external_module_$X" = alloca float, align 8
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call void @llvm.dbg.declare(metadata float* %"use_external_module_$X", metadata !13, metadata !DIExpression()), !dbg !17
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%func_result = call i32 @for_set_reentrancy(i32* @0), !dbg !18
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%external_module_mp_dummy__fetch = load float, float* @external_module_mp_dummy_, align 1, !dbg !19
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%add = fadd reassoc ninf nsz arcp contract afn float 2.000000e+00, %external_module_mp_dummy__fetch, !dbg !20
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store float %add, float* %"use_external_module_$X", align 1, !dbg !19
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ret void, !dbg !21
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}
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; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare i32 @for_set_reentrancy(i32*)
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attributes #0 = { noinline nounwind uwtable "intel-lang"="fortran" "min-legal-vector-width"="0" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" }
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attributes #1 = { nofree nosync nounwind readnone speculatable willreturn }
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!llvm.module.flags = !{!15, !16}
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!llvm.dbg.cu = !{!6}
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!omp_offload.info = !{}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "dummy", linkageName: "external_module_mp_dummy_", scope: !2, file: !3, line: 1, type: !14, isLocal: false, isDefinition: true)
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!2 = distinct !DISubprogram(name: "use_external_module", linkageName: "MAIN__", scope: !3, file: !3, line: 1, type: !4, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !6, retainedNodes: !12)
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!3 = !DIFile(filename: "em.f90", directory: "tests")
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!4 = !DISubroutineType(types: !5)
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!5 = !{null}
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!6 = distinct !DICompileUnit(language: DW_LANG_Fortran95, file: !3, producer: "Intel(R) Fortran 21.0-2165", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !7, globals: !8, imports: !9, splitDebugInlining: false, nameTableKind: None)
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!7 = !{}
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!8 = !{!0}
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!9 = !{!10}
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!10 = !DIImportedEntity(tag: DW_TAG_imported_module, scope: !2, entity: !11, file: !3, line: 2)
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!11 = !DIModule(scope: !2, name: "external_module", isDecl: true)
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!12 = !{!13}
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!13 = !DILocalVariable(name: "x", scope: !2, file: !3, line: 5, type: !14)
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!14 = !DIBasicType(name: "REAL*4", size: 32, encoding: DW_ATE_float)
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!15 = !{i32 2, !"Debug Info Version", i32 3}
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!16 = !{i32 2, !"Dwarf Version", i32 4}
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!17 = !DILocation(line: 5, column: 12, scope: !2)
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!18 = !DILocation(line: 1, column: 9, scope: !2)
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!19 = !DILocation(line: 6, column: 4, scope: !2)
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!20 = !DILocation(line: 6, column: 12, scope: !2)
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!21 = !DILocation(line: 8, column: 1, scope: !2)
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