; ModuleID = 'bpftrace'
source_filename = "bpftrace"
target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128"
target triple = "bpf-pc-linux"

%"struct map_t" = type { ptr, ptr, ptr, ptr }
%"struct map_t.0" = type { ptr, ptr, ptr, ptr }
%"struct map_t.1" = type { ptr, ptr }
%"struct map_t.2" = type { ptr, ptr, ptr, ptr }

@LICENSE = global [4 x i8] c"GPL\00", section "license"
@AT_ = dso_local global %"struct map_t" zeroinitializer, section ".maps", !dbg !0
@elapsed = dso_local global %"struct map_t.0" zeroinitializer, section ".maps", !dbg !16
@ringbuf = dso_local global %"struct map_t.1" zeroinitializer, section ".maps", !dbg !18
@event_loss_counter = dso_local global %"struct map_t.2" zeroinitializer, section ".maps", !dbg !32

; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64 %0, i64 %1) #0

define i64 @interval_s_1_1(ptr %0) section "s_interval_s_1_1" !dbg !47 {
entry:
  %"@_val" = alloca i64, align 8
  %"@_key" = alloca i64, align 8
  %lookup_elem_val = alloca i64, align 8
  %elapsed_key = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 -1, ptr %elapsed_key)
  store i64 0, ptr %elapsed_key, align 8
  %lookup_elem = call ptr inttoptr (i64 1 to ptr)(ptr @elapsed, ptr %elapsed_key)
  call void @llvm.lifetime.start.p0(i64 -1, ptr %lookup_elem_val)
  %map_lookup_cond = icmp ne ptr %lookup_elem, null
  br i1 %map_lookup_cond, label %lookup_success, label %lookup_failure

lookup_success:                                   ; preds = %entry
  %1 = load i64, ptr %lookup_elem, align 8
  store i64 %1, ptr %lookup_elem_val, align 8
  br label %lookup_merge

lookup_failure:                                   ; preds = %entry
  store i64 0, ptr %lookup_elem_val, align 8
  br label %lookup_merge

lookup_merge:                                     ; preds = %lookup_failure, %lookup_success
  %2 = load i64, ptr %lookup_elem_val, align 8
  call void @llvm.lifetime.end.p0(i64 -1, ptr %lookup_elem_val)
  %get_ns = call i64 inttoptr (i64 125 to ptr)()
  %3 = sub i64 %get_ns, %2
  call void @llvm.lifetime.end.p0(i64 -1, ptr %elapsed_key)
  call void @llvm.lifetime.start.p0(i64 -1, ptr %"@_key")
  store i64 0, ptr %"@_key", align 8
  call void @llvm.lifetime.start.p0(i64 -1, ptr %"@_val")
  store i64 %3, ptr %"@_val", align 8
  %update_elem = call i64 inttoptr (i64 2 to ptr)(ptr @AT_, ptr %"@_key", ptr %"@_val", i64 0)
  call void @llvm.lifetime.end.p0(i64 -1, ptr %"@_val")
  call void @llvm.lifetime.end.p0(i64 -1, ptr %"@_key")
  ret i64 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg %0, ptr nocapture %1) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg %0, ptr nocapture %1) #1

attributes #0 = { nounwind }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }

!llvm.dbg.cu = !{!44}
!llvm.module.flags = !{!46}

!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "AT_", linkageName: "global", scope: !2, file: !2, type: !3, isLocal: false, isDefinition: true)
!2 = !DIFile(filename: "bpftrace.bpf.o", directory: ".")
!3 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 256, elements: !4)
!4 = !{!5, !11, !12, !15}
!5 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !6, size: 64)
!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
!7 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 32, elements: !9)
!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!9 = !{!10}
!10 = !DISubrange(count: 1, lowerBound: 0)
!11 = !DIDerivedType(tag: DW_TAG_member, name: "max_entries", scope: !2, file: !2, baseType: !6, size: 64, offset: 64)
!12 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !2, file: !2, baseType: !13, size: 64, offset: 128)
!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64)
!14 = !DIBasicType(name: "int64", size: 64, encoding: DW_ATE_signed)
!15 = !DIDerivedType(tag: DW_TAG_member, name: "value", scope: !2, file: !2, baseType: !13, size: 64, offset: 192)
!16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression())
!17 = distinct !DIGlobalVariable(name: "elapsed", linkageName: "global", scope: !2, file: !2, type: !3, isLocal: false, isDefinition: true)
!18 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression())
!19 = distinct !DIGlobalVariable(name: "ringbuf", linkageName: "global", scope: !2, file: !2, type: !20, isLocal: false, isDefinition: true)
!20 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 128, elements: !21)
!21 = !{!22, !27}
!22 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !23, size: 64)
!23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !24, size: 64)
!24 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 864, elements: !25)
!25 = !{!26}
!26 = !DISubrange(count: 27, lowerBound: 0)
!27 = !DIDerivedType(tag: DW_TAG_member, name: "max_entries", scope: !2, file: !2, baseType: !28, size: 64, offset: 64)
!28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 64)
!29 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 8388608, elements: !30)
!30 = !{!31}
!31 = !DISubrange(count: 262144, lowerBound: 0)
!32 = !DIGlobalVariableExpression(var: !33, expr: !DIExpression())
!33 = distinct !DIGlobalVariable(name: "event_loss_counter", linkageName: "global", scope: !2, file: !2, type: !34, isLocal: false, isDefinition: true)
!34 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 256, elements: !35)
!35 = !{!36, !11, !41, !15}
!36 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !37, size: 64)
!37 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !38, size: 64)
!38 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 64, elements: !39)
!39 = !{!40}
!40 = !DISubrange(count: 2, lowerBound: 0)
!41 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !2, file: !2, baseType: !42, size: 64, offset: 128)
!42 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !43, size: 64)
!43 = !DIBasicType(name: "int32", size: 32, encoding: DW_ATE_signed)
!44 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "bpftrace", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, globals: !45)
!45 = !{!0, !16, !18, !32}
!46 = !{i32 2, !"Debug Info Version", i32 3}
!47 = distinct !DISubprogram(name: "interval_s_1_1", linkageName: "interval_s_1_1", scope: !2, file: !2, type: !48, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !44, retainedNodes: !52)
!48 = !DISubroutineType(types: !49)
!49 = !{!14, !50}
!50 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !51, size: 64)
!51 = !DIBasicType(name: "int8", size: 8, encoding: DW_ATE_signed)
!52 = !{!53}
!53 = !DILocalVariable(name: "ctx", arg: 1, scope: !47, file: !2, type: !50)
