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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 }
@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:
%"||_result" = alloca i1, align 1
%"$v" = alloca ptr, align 8
call void @llvm.lifetime.start.p0(i64 -1, ptr %"$v")
store i0 0, ptr %"$v", align 1
store ptr inttoptr (i64 1 to ptr), ptr %"$v", align 8
call void @llvm.lifetime.start.p0(i64 -1, ptr %"||_result")
%1 = load ptr, ptr %"$v", align 8
%lhs_true_cond = icmp ne ptr %1, null
br i1 %lhs_true_cond, label %"||_true", label %"||_lhs_false"
if_body: ; preds = %"||_merge"
br label %if_end
if_end: ; preds = %if_body, %"||_merge"
ret i64 0
"||_lhs_false": ; preds = %entry
br i1 false, label %"||_true", label %"||_false"
"||_false": ; preds = %"||_lhs_false"
store i1 false, ptr %"||_result", align 1
br label %"||_merge"
"||_true": ; preds = %"||_lhs_false", %entry
store i1 true, ptr %"||_result", align 1
br label %"||_merge"
"||_merge": ; preds = %"||_true", %"||_false"
%2 = load i1, ptr %"||_result", align 1
%true_cond = icmp ne i1 %2, false
br i1 %true_cond, label %if_body, 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
attributes #0 = { nounwind }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
!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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