; LLVM IR from AngoraFuzzer/Angora :: llvm_mode/dfsan_rt/dfsan/dfsan_custom.ll_ (dfsw_pthread_create)

; 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"

%struct.pthread_create_info = type { ptr, 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: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local i32 @__dfsw_pthread_create(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, i32 noundef %5, i32 noundef %6, i32 noundef %7, i32 noundef %8, ptr noundef %9) #2 {
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca ptr, align 8
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca ptr, align 8
  %21 = alloca ptr, align 8
  %22 = alloca i32, align 4
  store ptr %0, ptr %11, align 8, !tbaa !5
  store ptr %1, ptr %12, align 8, !tbaa !5
  store ptr %2, ptr %13, align 8, !tbaa !5
  store ptr %3, ptr %14, align 8, !tbaa !5
  store ptr %4, ptr %15, align 8, !tbaa !5
  store i32 %5, ptr %16, align 4, !tbaa !9
  store i32 %6, ptr %17, align 4, !tbaa !9
  store i32 %7, ptr %18, align 4, !tbaa !9
  store i32 %8, ptr %19, align 4, !tbaa !9
  store ptr %9, ptr %20, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #5
  %23 = call noalias ptr @malloc(i64 noundef 24) #6
  store ptr %23, ptr %21, align 8, !tbaa !5
  %24 = load ptr, ptr %13, align 8, !tbaa !5
  %25 = load ptr, ptr %21, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.pthread_create_info, ptr %25, i32 0, i32 0
  store ptr %24, ptr %26, align 8, !tbaa !11
  %27 = load ptr, ptr %14, align 8, !tbaa !5
  %28 = load ptr, ptr %21, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.pthread_create_info, ptr %28, i32 0, i32 1
  store ptr %27, ptr %29, align 8, !tbaa !13
  %30 = load ptr, ptr %15, align 8, !tbaa !5
  %31 = load ptr, ptr %21, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.pthread_create_info, ptr %31, i32 0, i32 2
  store ptr %30, ptr %32, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #5
  %33 = load ptr, ptr %11, align 8, !tbaa !5
  %34 = load ptr, ptr %12, align 8, !tbaa !5
  %35 = load ptr, ptr %21, align 8, !tbaa !5
  %36 = call i32 @pthread_create(ptr noundef %33, ptr noundef %34, ptr noundef @_ZL17pthread_create_cbPv, ptr noundef %35) #5
  store i32 %36, ptr %22, align 4, !tbaa !9
  %37 = load i32, ptr %22, align 4, !tbaa !9
  %38 = icmp ne i32 %37, 0
  br i1 %38, label %39, label %41

39:                                               ; preds = %10
  %40 = load ptr, ptr %21, align 8, !tbaa !5
  call void @free(ptr noundef %40) #5
  br label %41

41:                                               ; preds = %39, %10
  %42 = load ptr, ptr %20, align 8, !tbaa !5
  store i32 0, ptr %42, align 4, !tbaa !9
  %43 = load i32, ptr %22, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  ret i32 %43
}

; Function Attrs: nounwind
declare i32 @pthread_create(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare hidden noundef ptr @_ZL17pthread_create_cbPv(ptr noundef) #4

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(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 = { nounwind "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 = { 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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }

!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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTS19pthread_create_info", !6, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 8}
!14 = !{!12, !6, i64 16}


; 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 nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local i32 @__dfsw_pthread_create(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, i32 noundef %5, i32 noundef %6, i32 noundef %7, i32 noundef %8, ptr nocapture noundef writeonly %9) local_unnamed_addr #1 {
  %11 = tail call noalias dereferenceable_or_null(24) ptr @malloc(i64 noundef 24) #5
  store ptr %2, ptr %11, align 8, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %11, i64 8
  store ptr %3, ptr %12, align 8, !tbaa !10
  %13 = getelementptr inbounds i8, ptr %11, i64 16
  store ptr %4, ptr %13, align 8, !tbaa !11
  %14 = tail call i32 @pthread_create(ptr noundef %0, ptr noundef %1, ptr noundef nonnull @_ZL17pthread_create_cbPv, ptr noundef nonnull %11) #6
  %.not = icmp eq i32 %14, 0
  br i1 %.not, label %16, label %15

15:                                               ; preds = %10
  tail call void @free(ptr noundef nonnull %11) #6
  br label %16

16:                                               ; preds = %15, %10
  store i32 0, ptr %9, align 4, !tbaa !12
  ret i32 %14
}

; Function Attrs: nounwind
declare i32 @pthread_create(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare hidden noundef ptr @_ZL17pthread_create_cbPv(ptr noundef) #3

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #4

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { 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 #2 = { nounwind "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 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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 allocsize(0) }
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 = !{!6, !7, i64 0}
!6 = !{!"_ZTS19pthread_create_info", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!6, !7, i64 16}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass