| ; RUN: opt -instcombine -S -o - < %s | FileCheck %s |
| |
| ; CHECK-LABEL: %4 = load i32, i32* %i1_311 |
| ; CHECK: call void @llvm.dbg.value(metadata i32 %4 |
| ; Next instruction should not be duplicate dbg.value intrinsic. |
| ; CHECK-NEXT: @f90io_sc_i_ldw |
| |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;program main |
| ;integer :: res |
| ; res = mfun() |
| ; print *, res |
| ;contains |
| ; function mfun() |
| ; integer :: i1 |
| ; i1 = 5 |
| ; mfun = fun(i1) |
| ; write (*,*) i1 |
| ; end function |
| ; function fun(a) |
| ; integer, intent (in) :: a |
| ; fun = a |
| ; end function |
| ;end program main |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| ; ModuleID = 'duplicate_dbgvalue.ll' |
| source_filename = "duplicate_dbgvalue.ll" |
| target datalayout = "e-p:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %struct.BSS1 = type <{ [4 x i8] }> |
| |
| @.BSS1 = internal unnamed_addr global %struct.BSS1 zeroinitializer, align 32, !dbg !0 |
| @.C303_MAIN_ = internal constant i32 6 |
| @.C300_MAIN_ = internal constant [22 x i8] c"duplicate_dbgvalue.f90" |
| @.C302_MAIN_ = internal constant i32 4 |
| @.C283_MAIN_ = internal constant i32 0 |
| @.C283_main_mfun = internal constant i32 0 |
| @.C302_main_mfun = internal constant i32 6 |
| @.C300_main_mfun = internal constant [22 x i8] c"duplicate_dbgvalue.f90" |
| @.C313_main_mfun = internal constant i32 10 |
| |
| define void @MAIN_() local_unnamed_addr !dbg !2 { |
| L.entry: |
| call void (i8*, ...) bitcast (void (...)* @fort_init to void (i8*, ...)*)(i8* bitcast (i32* @.C283_MAIN_ to i8*)), !dbg !16 |
| %0 = call fastcc i32 @main_mfun(), !dbg !18 |
| store i32 %0, i32* bitcast (%struct.BSS1* @.BSS1 to i32*), align 32, !dbg !18 |
| call void (i8*, i8*, i64, ...) bitcast (void (...)* @f90io_src_info03a to void (i8*, i8*, i64, ...)*)(i8* bitcast (i32* @.C302_MAIN_ to i8*), i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.C300_MAIN_, i64 0, i64 0), i64 22), !dbg !23 |
| %1 = call i32 (i8*, i8*, i8*, i8*, ...) bitcast (i32 (...)* @f90io_print_init to i32 (i8*, i8*, i8*, i8*, ...)*)(i8* bitcast (i32* @.C303_MAIN_ to i8*), i8* null, i8* bitcast (i32* @.C283_MAIN_ to i8*), i8* bitcast (i32* @.C283_MAIN_ to i8*)), !dbg !23 |
| call void @llvm.dbg.value(metadata i32 %1, metadata !24, metadata !DIExpression()), !dbg !25 |
| %2 = load i32, i32* bitcast (%struct.BSS1* @.BSS1 to i32*), align 32, !dbg !23 |
| %3 = call i32 (i32, i32, ...) bitcast (i32 (...)* @f90io_sc_i_ldw to i32 (i32, i32, ...)*)(i32 %2, i32 25), !dbg !23 |
| call void @llvm.dbg.value(metadata i32 %3, metadata !24, metadata !DIExpression()), !dbg !25 |
| %4 = call i32 (...) @f90io_ldw_end(), !dbg !23 |
| call void @llvm.dbg.value(metadata i32 %4, metadata !24, metadata !DIExpression()), !dbg !25 |
| ret void, !dbg !26 |
| } |
| |
| define internal fastcc signext i32 @main_mfun() unnamed_addr !dbg !27 { |
| L.entry: |
| %i1_311 = alloca i32, align 4 |
| call void @llvm.dbg.declare(metadata i64* undef, metadata !31, metadata !DIExpression()), !dbg !33 |
| call void @llvm.dbg.declare(metadata i32* %i1_311, metadata !35, metadata !DIExpression()), !dbg !33 |
| store i32 5, i32* %i1_311, align 4, !dbg !36 |
| %0 = bitcast i32* %i1_311 to i64*, !dbg !41 |
| %1 = call fastcc float @main_fun(i64* %0), !dbg !41 |
| %2 = fptosi float %1 to i32, !dbg !41 |
| call void (i8*, i8*, i64, ...) bitcast (void (...)* @f90io_src_info03a to void (i8*, i8*, i64, ...)*)(i8* bitcast (i32* @.C313_main_mfun to i8*), i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.C300_main_mfun, i32 0, i32 0), i64 22), !dbg !42 |
| %3 = call i32 (i8*, i8*, i8*, i8*, ...) bitcast (i32 (...)* @f90io_print_init to i32 (i8*, i8*, i8*, i8*, ...)*)(i8* bitcast (i32* @.C302_main_mfun to i8*), i8* null, i8* bitcast (i32* @.C283_main_mfun to i8*), i8* bitcast (i32* @.C283_main_mfun to i8*)), !dbg !42 |
| call void @llvm.dbg.value(metadata i32 %3, metadata !43, metadata !DIExpression()), !dbg !33 |
| %4 = load i32, i32* %i1_311, align 4, !dbg !42 |
| call void @llvm.dbg.value(metadata i32 %4, metadata !35, metadata !DIExpression()), !dbg !33 |
| %5 = call i32 (i32, i32, ...) bitcast (i32 (...)* @f90io_sc_i_ldw to i32 (i32, i32, ...)*)(i32 %4, i32 25), !dbg !42 |
| call void @llvm.dbg.value(metadata i32 %5, metadata !43, metadata !DIExpression()), !dbg !33 |
| %6 = call i32 (...) @f90io_ldw_end(), !dbg !42 |
| call void @llvm.dbg.value(metadata i32 %6, metadata !43, metadata !DIExpression()), !dbg !33 |
| ret i32 %2, !dbg !44 |
| } |
| |
| define internal fastcc float @main_fun(i64* noalias %a) unnamed_addr !dbg !45 { |
| L.entry: |
| call void @llvm.dbg.declare(metadata i64* %a, metadata !50, metadata !DIExpression()), !dbg !51 |
| call void @llvm.dbg.declare(metadata i64* undef, metadata !53, metadata !DIExpression()), !dbg !51 |
| %0 = bitcast i64* %a to i32*, !dbg !54 |
| %1 = load i32, i32* %0, align 4, !dbg !54 |
| %2 = sitofp i32 %1 to float, !dbg !54 |
| ret float %2, !dbg !59 |
| } |
| |
| declare signext i32 @f90io_ldw_end(...) local_unnamed_addr |
| |
| declare signext i32 @f90io_sc_i_ldw(...) local_unnamed_addr |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) |
| |
| declare signext i32 @f90io_print_init(...) local_unnamed_addr |
| |
| declare void @f90io_src_info03a(...) local_unnamed_addr |
| |
| declare void @fort_init(...) local_unnamed_addr |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| !llvm.module.flags = !{!14, !15} |
| !llvm.dbg.cu = !{!4} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "res", scope: !2, file: !3, type: !9, isLocal: true, isDefinition: true) |
| !2 = distinct !DISubprogram(name: "main", scope: !4, file: !3, line: 1, type: !12, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagMainSubprogram, unit: !4) |
| !3 = !DIFile(filename: "duplicate-dbgvalue.f90", directory: "/dir") |
| !4 = distinct !DICompileUnit(language: DW_LANG_Fortran90, file: !3, producer: " F90 Flang - 1.5", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6, imports: !5) |
| !5 = !{} |
| !6 = !{!0, !7, !10} |
| !7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression()) |
| !8 = distinct !DIGlobalVariable(name: "res", scope: !4, file: !3, type: !9, isLocal: true, isDefinition: true) |
| !9 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed) |
| !10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression()) |
| !11 = distinct !DIGlobalVariable(name: "res", scope: !4, file: !3, type: !9, isLocal: true, isDefinition: true) |
| !12 = !DISubroutineType(cc: DW_CC_program, types: !13) |
| !13 = !{null} |
| !14 = !{i32 2, !"Dwarf Version", i32 4} |
| !15 = !{i32 2, !"Debug Info Version", i32 3} |
| !16 = !DILocation(line: 1, column: 1, scope: !17) |
| !17 = !DILexicalBlock(scope: !2, file: !3, line: 1, column: 1) |
| !18 = !DILocation(line: 3, column: 1, scope: !17) |
| !19 = !{!20, !20, i64 0} |
| !20 = !{!"t1.2", !21, i64 0} |
| !21 = !{!"unlimited ptr", !22, i64 0} |
| !22 = !{!"Flang FAA 1"} |
| !23 = !DILocation(line: 4, column: 1, scope: !17) |
| !24 = !DILocalVariable(scope: !17, file: !3, type: !9, flags: DIFlagArtificial) |
| !25 = !DILocation(line: 0, scope: !17) |
| !26 = !DILocation(line: 5, column: 1, scope: !17) |
| !27 = distinct !DISubprogram(name: "mfun", scope: !2, file: !3, line: 6, type: !28, scopeLine: 6, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !4) |
| !28 = !DISubroutineType(types: !29) |
| !29 = !{!30} |
| !30 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64, align: 64) |
| !31 = !DILocalVariable(arg: 1, scope: !27, file: !3, type: !32, flags: DIFlagArtificial) |
| !32 = !DIBasicType(name: "uinteger*8", size: 64, align: 64, encoding: DW_ATE_unsigned) |
| !33 = !DILocation(line: 0, scope: !34) |
| !34 = !DILexicalBlock(scope: !27, file: !3, line: 6, column: 1) |
| !35 = !DILocalVariable(name: "i1", scope: !34, file: !3, type: !9) |
| !36 = !DILocation(line: 8, column: 1, scope: !34) |
| !37 = !{!38, !38, i64 0} |
| !38 = !{!"t2.2", !39, i64 0} |
| !39 = !{!"unlimited ptr", !40, i64 0} |
| !40 = !{!"Flang FAA 2"} |
| !41 = !DILocation(line: 9, column: 1, scope: !34) |
| !42 = !DILocation(line: 10, column: 1, scope: !34) |
| !43 = !DILocalVariable(scope: !34, file: !3, type: !9, flags: DIFlagArtificial) |
| !44 = !DILocation(line: 11, column: 1, scope: !34) |
| !45 = distinct !DISubprogram(name: "fun", scope: !2, file: !3, line: 12, type: !46, scopeLine: 12, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !4) |
| !46 = !DISubroutineType(types: !47) |
| !47 = !{!48, !9} |
| !48 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !49, size: 64, align: 64) |
| !49 = !DIBasicType(name: "real", size: 32, align: 32, encoding: DW_ATE_float) |
| !50 = !DILocalVariable(name: "a", arg: 1, scope: !45, file: !3, type: !9) |
| !51 = !DILocation(line: 0, scope: !52) |
| !52 = !DILexicalBlock(scope: !45, file: !3, line: 12, column: 1) |
| !53 = !DILocalVariable(arg: 2, scope: !45, file: !3, type: !32, flags: DIFlagArtificial) |
| !54 = !DILocation(line: 14, column: 1, scope: !52) |
| !55 = !{!56, !56, i64 0} |
| !56 = !{!"t3.2", !57, i64 0} |
| !57 = !{!"unlimited ptr", !58, i64 0} |
| !58 = !{!"Flang FAA 3"} |
| !59 = !DILocation(line: 15, column: 1, scope: !52) |