; LLVM IR from AngoraFuzzer/Angora :: llvm_mode/dfsan_rt/sanitizer_common (sanitizer_symbolizer_posix_libcdep)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.__sanitizer::LowLevelAllocator" = type { ptr, ptr }
%"struct.__sanitizer::IntrusiveList" = type { i64, ptr, ptr }

@_ZN11__sanitizer10Symbolizer21symbolizer_allocator_E = external global %"class.__sanitizer::LowLevelAllocator", align 8

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

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

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN11__sanitizer10Symbolizer12PlatformInitEv() #1 align 2 {
  %1 = alloca %"struct.__sanitizer::IntrusiveList", align 8
  %2 = alloca %"struct.__sanitizer::IntrusiveList", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr %1) #6
  call void @_ZN11__sanitizer13IntrusiveListINS_14SymbolizerToolEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %1)
  call void @_ZN11__sanitizerL21ChooseSymbolizerToolsEPNS_13IntrusiveListINS_14SymbolizerToolEEEPNS_17LowLevelAllocatorE(ptr noundef %1, ptr noundef @_ZN11__sanitizer10Symbolizer21symbolizer_allocator_E)
  %3 = call noundef ptr @_ZnwmRN11__sanitizer17LowLevelAllocatorE(i64 noundef 200, ptr noundef nonnull align 8 dereferenceable(16) @_ZN11__sanitizer10Symbolizer21symbolizer_allocator_E)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %2, ptr align 8 %1, i64 24, i1 false), !tbaa.struct !5
  call void @_ZN11__sanitizer10SymbolizerC1ENS_13IntrusiveListINS_14SymbolizerToolEEE(ptr noundef nonnull align 8 dereferenceable(200) %3, ptr noundef byval(%"struct.__sanitizer::IntrusiveList") align 8 %2)
  call void @llvm.lifetime.end.p0(i64 24, ptr %1) #6
  ret ptr %3
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11__sanitizer13IntrusiveListINS_14SymbolizerToolEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN11__sanitizerL21ChooseSymbolizerToolsEPNS_13IntrusiveListINS_14SymbolizerToolEEEPNS_17LowLevelAllocatorE(ptr noundef, ptr noundef) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZnwmRN11__sanitizer17LowLevelAllocatorE(i64 noundef, ptr noundef nonnull align 8 dereferenceable(16)) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

declare void @_ZN11__sanitizer10SymbolizerC1ENS_13IntrusiveListINS_14SymbolizerToolEEE(ptr noundef nonnull align 8 dereferenceable(200), ptr noundef byval(%"struct.__sanitizer::IntrusiveList") align 8) unnamed_addr #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{i64 0, i64 8, !6, i64 8, i64 8, !10, i64 16, i64 8, !10}
!6 = !{!7, !7, i64 0}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !8, i64 0}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.__sanitizer::LowLevelAllocator" = type { ptr, ptr }
%"struct.__sanitizer::IntrusiveList" = type { i64, ptr, ptr }

@_ZN11__sanitizer10Symbolizer21symbolizer_allocator_E = external global %"class.__sanitizer::LowLevelAllocator", align 8

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

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

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN11__sanitizer10Symbolizer12PlatformInitEv() local_unnamed_addr #1 align 2 {
  %1 = alloca %"struct.__sanitizer::IntrusiveList", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #5
  call void @_ZN11__sanitizer13IntrusiveListINS_14SymbolizerToolEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %1)
  call void @_ZN11__sanitizerL21ChooseSymbolizerToolsEPNS_13IntrusiveListINS_14SymbolizerToolEEEPNS_17LowLevelAllocatorE(ptr noundef nonnull %1, ptr noundef nonnull @_ZN11__sanitizer10Symbolizer21symbolizer_allocator_E)
  %2 = call noundef ptr @_ZnwmRN11__sanitizer17LowLevelAllocatorE(i64 noundef 200, ptr noundef nonnull align 8 dereferenceable(16) @_ZN11__sanitizer10Symbolizer21symbolizer_allocator_E)
  call void @_ZN11__sanitizer10SymbolizerC1ENS_13IntrusiveListINS_14SymbolizerToolEEE(ptr noundef nonnull align 8 dereferenceable(200) %2, ptr noundef nonnull byval(%"struct.__sanitizer::IntrusiveList") align 8 %1)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #5
  ret ptr %2
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11__sanitizer13IntrusiveListINS_14SymbolizerToolEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN11__sanitizerL21ChooseSymbolizerToolsEPNS_13IntrusiveListINS_14SymbolizerToolEEEPNS_17LowLevelAllocatorE(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZnwmRN11__sanitizer17LowLevelAllocatorE(i64 noundef, ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3

declare void @_ZN11__sanitizer10SymbolizerC1ENS_13IntrusiveListINS_14SymbolizerToolEEE(ptr noundef nonnull align 8 dereferenceable(200), ptr noundef byval(%"struct.__sanitizer::IntrusiveList") align 8) unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}


; Effective O3 passes: DSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass