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; ModuleID = 'bpftrace'
source_filename = "bpftrace"
target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128"
target triple = "bpf"
%"struct map_internal_repr_t" = type { ptr, ptr }
%printf_t.0 = type { i64 }
%printf_t = type { i64 }
@LICENSE = global [4 x i8] c"GPL\00", section "license", !dbg !0
@ringbuf = dso_local global %"struct map_internal_repr_t" zeroinitializer, section ".maps", !dbg !7
@__bt__event_loss_counter = dso_local externally_initialized global [1 x [1 x i64]] zeroinitializer, section ".data.event_loss_counter", !dbg !22
@__bt__max_cpu_id = dso_local externally_initialized constant i64 0, section ".rodata", !dbg !29
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64 %0, i64 %1) #0
; Function Attrs: nounwind
define i64 @kprobe_f_1(ptr %0) #0 section "s_kprobe_f_1" !dbg !35 {
entry:
%printf_args1 = alloca %printf_t.0, align 8
%printf_args = alloca %printf_t, align 8
%get_pid_tgid = call i64 inttoptr (i64 14 to ptr)() #3
%1 = lshr i64 %get_pid_tgid, 32
%pid = trunc i64 %1 to i32
%2 = zext i32 %pid to i64
%3 = icmp ugt i64 %2, 10
%true_cond = icmp ne i1 %3, false
br i1 %true_cond, label %if_body, label %else_body
if_body: ; preds = %entry
call void @llvm.lifetime.start.p0(i64 -1, ptr %printf_args)
call void @llvm.memset.p0.i64(ptr align 1 %printf_args, i8 0, i64 8, i1 false)
%4 = getelementptr %printf_t, ptr %printf_args, i32 0, i32 0
store i64 0, ptr %4, align 8
%ringbuf_output = call i64 inttoptr (i64 130 to ptr)(ptr @ringbuf, ptr %printf_args, i64 8, i64 0)
%ringbuf_loss = icmp slt i64 %ringbuf_output, 0
br i1 %ringbuf_loss, label %event_loss_counter, label %counter_merge
if_end: ; preds = %counter_merge4, %counter_merge
ret i64 0
else_body: ; preds = %entry
call void @llvm.lifetime.start.p0(i64 -1, ptr %printf_args1)
call void @llvm.memset.p0.i64(ptr align 1 %printf_args1, i8 0, i64 8, i1 false)
%5 = getelementptr %printf_t.0, ptr %printf_args1, i32 0, i32 0
store i64 1, ptr %5, align 8
%ringbuf_output2 = call i64 inttoptr (i64 130 to ptr)(ptr @ringbuf, ptr %printf_args1, i64 8, i64 0)
%ringbuf_loss5 = icmp slt i64 %ringbuf_output2, 0
br i1 %ringbuf_loss5, label %event_loss_counter3, label %counter_merge4
event_loss_counter: ; preds = %if_body
%get_cpu_id = call i64 inttoptr (i64 8 to ptr)() #3
%6 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded = and i64 %get_cpu_id, %6
%7 = getelementptr [1 x [1 x i64]], ptr @__bt__event_loss_counter, i64 0, i64 %cpu.id.bounded, i64 0
%8 = load i64, ptr %7, align 8
%9 = add i64 %8, 1
store i64 %9, ptr %7, align 8
br label %counter_merge
counter_merge: ; preds = %event_loss_counter, %if_body
call void @llvm.lifetime.end.p0(i64 -1, ptr %printf_args)
br label %if_end
event_loss_counter3: ; preds = %else_body
%get_cpu_id6 = call i64 inttoptr (i64 8 to ptr)() #3
%10 = load i64, ptr @__bt__max_cpu_id, align 8
%cpu.id.bounded7 = and i64 %get_cpu_id6, %10
%11 = getelementptr [1 x [1 x i64]], ptr @__bt__event_loss_counter, i64 0, i64 %cpu.id.bounded7, i64 0
%12 = load i64, ptr %11, align 8
%13 = add i64 %12, 1
store i64 %13, ptr %11, align 8
br label %counter_merge4
counter_merge4: ; preds = %event_loss_counter3, %else_body
call void @llvm.lifetime.end.p0(i64 -1, ptr %printf_args1)
br label %if_end
}
; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly %0, i8 %1, i64 %2, i1 immarg %3) #2
; 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) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { memory(none) }
!llvm.dbg.cu = !{!31}
!llvm.module.flags = !{!33, !34}
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "LICENSE", linkageName: "global", scope: !2, file: !2, type: !3, isLocal: false, isDefinition: true)
!2 = !DIFile(filename: "bpftrace.bpf.o", directory: ".")
!3 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 32, elements: !5)
!4 = !DIBasicType(name: "int8", size: 8, encoding: DW_ATE_signed)
!5 = !{!6}
!6 = !DISubrange(count: 4, lowerBound: 0)
!7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression())
!8 = distinct !DIGlobalVariable(name: "ringbuf", linkageName: "global", scope: !2, file: !2, type: !9, isLocal: false, isDefinition: true)
!9 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 128, elements: !10)
!10 = !{!11, !17}
!11 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !12, size: 64)
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64)
!13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 864, elements: !15)
!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!15 = !{!16}
!16 = !DISubrange(count: 27, lowerBound: 0)
!17 = !DIDerivedType(tag: DW_TAG_member, name: "max_entries", scope: !2, file: !2, baseType: !18, size: 64, offset: 64)
!18 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !19, size: 64)
!19 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 8388608, elements: !20)
!20 = !{!21}
!21 = !DISubrange(count: 262144, lowerBound: 0)
!22 = !DIGlobalVariableExpression(var: !23, expr: !DIExpression())
!23 = distinct !DIGlobalVariable(name: "__bt__event_loss_counter", linkageName: "global", scope: !2, file: !2, type: !24, isLocal: false, isDefinition: true)
!24 = !DICompositeType(tag: DW_TAG_array_type, baseType: !25, size: 64, elements: !27)
!25 = !DICompositeType(tag: DW_TAG_array_type, baseType: !26, size: 64, elements: !27)
!26 = !DIBasicType(name: "int64", size: 64, encoding: DW_ATE_signed)
!27 = !{!28}
!28 = !DISubrange(count: 1, lowerBound: 0)
!29 = !DIGlobalVariableExpression(var: !30, expr: !DIExpression())
!30 = distinct !DIGlobalVariable(name: "__bt__max_cpu_id", linkageName: "global", scope: !2, file: !2, type: !26, isLocal: false, isDefinition: true)
!31 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "bpftrace", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, globals: !32)
!32 = !{!0, !7, !22, !29}
!33 = !{i32 2, !"Debug Info Version", i32 3}
!34 = !{i32 7, !"uwtable", i32 0}
!35 = distinct !DISubprogram(name: "kprobe_f_1", linkageName: "kprobe_f_1", scope: !2, file: !2, type: !36, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !31, retainedNodes: !39)
!36 = !DISubroutineType(types: !37)
!37 = !{!26, !38}
!38 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64)
!39 = !{!40}
!40 = !DILocalVariable(name: "ctx", arg: 1, scope: !35, file: !2, type: !38)
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