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

; 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::LoadedModule" = type { ptr, i64, %"struct.__sanitizer::IntrusiveList" }
%"struct.__sanitizer::IntrusiveList" = type { i64, ptr, ptr }

; 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 void @_ZN11__sanitizer12LoadedModule5clearEv(ptr noundef nonnull align 8 dereferenceable(40) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  %5 = getelementptr inbounds %"class.__sanitizer::LoadedModule", ptr %4, i32 0, i32 0
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  call void @_ZN11__sanitizer12InternalFreeEPvPNS_28SizeClassAllocatorLocalCacheINS_20SizeClassAllocator32ILm0ELy140737488355328ELm0ENS_12SizeClassMapILm3ELm4ELm8ELm17ELm64ELm14EEELm20ENS_15TwoLevelByteMapILy32768ELy4096ENS_20NoOpMapUnmapCallbackEEES6_EEEE(ptr noundef %6, ptr noundef null)
  %7 = getelementptr inbounds %"class.__sanitizer::LoadedModule", ptr %4, i32 0, i32 0
  store ptr null, ptr %7, align 8, !tbaa !9
  br label %8

8:                                                ; preds = %12, %1
  %9 = getelementptr inbounds %"class.__sanitizer::LoadedModule", ptr %4, i32 0, i32 2
  %10 = call noundef zeroext i1 @_ZNK11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %9)
  %11 = xor i1 %10, true
  br i1 %11, label %12, label %17

12:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %13 = getelementptr inbounds %"class.__sanitizer::LoadedModule", ptr %4, i32 0, i32 2
  %14 = call noundef ptr @_ZN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %13)
  store ptr %14, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %"class.__sanitizer::LoadedModule", ptr %4, i32 0, i32 2
  call void @_ZN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) %15)
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  call void @_ZN11__sanitizer12InternalFreeEPvPNS_28SizeClassAllocatorLocalCacheINS_20SizeClassAllocator32ILm0ELy140737488355328ELm0ENS_12SizeClassMapILm3ELm4ELm8ELm17ELm64ELm14EEELm20ENS_15TwoLevelByteMapILy32768ELy4096ENS_20NoOpMapUnmapCallbackEEES6_EEEE(ptr noundef %16, ptr noundef null)
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %8, !llvm.loop !13

17:                                               ; preds = %8
  ret void
}

declare void @_ZN11__sanitizer12InternalFreeEPvPNS_28SizeClassAllocatorLocalCacheINS_20SizeClassAllocator32ILm0ELy140737488355328ELm0ENS_12SizeClassMapILm3ELm4ELm8ELm17ELm64ELm14EEELm20ENS_15TwoLevelByteMapILy32768ELy4096ENS_20NoOpMapUnmapCallbackEEES6_EEEE(ptr noundef, ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

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 = { "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 = { 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 #4 = { 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 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSN11__sanitizer12LoadedModuleE", !6, i64 0, !11, i64 8, !12, i64 16}
!11 = !{!"long", !7, i64 0}
!12 = !{!"_ZTSN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEEE", !11, i64 0, !6, i64 8, !6, i64 16}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11__sanitizer12LoadedModule5clearEv(ptr noundef nonnull align 8 dereferenceable(40) %0) local_unnamed_addr #0 align 2 {
  %2 = load ptr, ptr %0, align 8, !tbaa !5
  tail call void @_ZN11__sanitizer12InternalFreeEPvPNS_28SizeClassAllocatorLocalCacheINS_20SizeClassAllocator32ILm0ELy140737488355328ELm0ENS_12SizeClassMapILm3ELm4ELm8ELm17ELm64ELm14EEELm20ENS_15TwoLevelByteMapILy32768ELy4096ENS_20NoOpMapUnmapCallbackEEES6_EEEE(ptr noundef %2, ptr noundef null)
  store ptr null, ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = tail call noundef zeroext i1 @_ZNK11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %3)
  br i1 %4, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1, %.lr.ph
  %5 = tail call noundef ptr @_ZN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %3)
  tail call void @_ZN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) %3)
  tail call void @_ZN11__sanitizer12InternalFreeEPvPNS_28SizeClassAllocatorLocalCacheINS_20SizeClassAllocator32ILm0ELy140737488355328ELm0ENS_12SizeClassMapILm3ELm4ELm8ELm17ELm64ELm14EEELm20ENS_15TwoLevelByteMapILy32768ELy4096ENS_20NoOpMapUnmapCallbackEEES6_EEEE(ptr noundef %5, ptr noundef null)
  %6 = tail call noundef zeroext i1 @_ZNK11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %3)
  br i1 %6, label %._crit_edge, label %.lr.ph, !llvm.loop !12

._crit_edge:                                      ; preds = %.lr.ph, %1
  ret void
}

declare void @_ZN11__sanitizer12InternalFreeEPvPNS_28SizeClassAllocatorLocalCacheINS_20SizeClassAllocator32ILm0ELy140737488355328ELm0ENS_12SizeClassMapILm3ELm4ELm8ELm17ELm64ELm14EEELm20ENS_15TwoLevelByteMapILy32768ELy4096ENS_20NoOpMapUnmapCallbackEEES6_EEEE(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { "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" }

!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 = !{!6, !7, i64 0}
!6 = !{!"_ZTSN11__sanitizer12LoadedModuleE", !7, i64 0, !10, i64 8, !11, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"_ZTSN11__sanitizer13IntrusiveListINS_12LoadedModule12AddressRangeEEE", !10, i64 0, !7, i64 8, !7, i64 16}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass