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

@.str = external hidden unnamed_addr constant [116 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [38 x i8], align 1

; 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(none)
declare i64 @llvm.expect.i64(i64, i64) #1

; Function Attrs: noreturn
declare void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef, i32 noundef, ptr noundef, i64 noundef, i64 noundef) #2

; 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 zeroext i1 @_ZN11__sanitizer6SetEnvEPKcS1_(ptr noundef %0, ptr noundef %1) #3 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %11 = call ptr @dlsym(ptr noundef inttoptr (i64 -1 to ptr), ptr noundef @.str.7) #6
  store ptr %11, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %15, label %14

14:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %38

15:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  br label %16

16:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 8, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 8, ptr %10, align 8, !tbaa !9
  %17 = load i64, ptr %9, align 8, !tbaa !9
  %18 = load i64, ptr %10, align 8, !tbaa !9
  %19 = icmp eq i64 %17, %18
  %20 = xor i1 %19, true
  %21 = xor i1 %20, true
  %22 = xor i1 %21, true
  %23 = zext i1 %22 to i64
  %24 = call i64 @llvm.expect.i64(i64 %23, i64 0)
  %25 = icmp ne i64 %24, 0
  br i1 %25, label %26, label %29

26:                                               ; preds = %16
  %27 = load i64, ptr %9, align 8, !tbaa !9
  %28 = load i64, ptr %10, align 8, !tbaa !9
  call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef @.str, i32 noundef 131, ptr noundef @.str.8, i64 noundef %27, i64 noundef %28) #7
  unreachable

29:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %30

30:                                               ; preds = %29
  br label %31

31:                                               ; preds = %30
  %32 = call noundef ptr @_ZN11__sanitizer15internal_memcpyEPvPKvm(ptr noundef %8, ptr noundef %6, i64 noundef 8)
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = call noundef i32 %33(ptr noundef %34, ptr noundef %35, i32 noundef 1)
  %37 = icmp eq i32 %36, 0
  store i1 %37, ptr %3, align 1
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %38

38:                                               ; preds = %31, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  %39 = load i1, ptr %3, align 1
  ret i1 %39
}

; Function Attrs: nounwind
declare ptr @dlsym(ptr noundef, ptr noundef) #4

declare noundef ptr @_ZN11__sanitizer15internal_memcpyEPvPKvm(ptr noundef, ptr noundef, i64 noundef) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #2 = { noreturn "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 = { 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 #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 }
attributes #7 = { noreturn }

!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 = !{!"long long", !7, 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"

@.str.7 = external hidden unnamed_addr constant [7 x i8], align 1

; 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 zeroext i1 @_ZN11__sanitizer6SetEnvEPKcS1_(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %5 = tail call ptr @dlsym(ptr noundef nonnull inttoptr (i64 -1 to ptr), ptr noundef nonnull @.str.7) #4
  store ptr %5, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %11, label %6

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %7 = call noundef ptr @_ZN11__sanitizer15internal_memcpyEPvPKvm(ptr noundef nonnull %4, ptr noundef nonnull %3, i64 noundef 8)
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call noundef i32 %8(ptr noundef %0, ptr noundef %1, i32 noundef 1)
  %10 = icmp eq i32 %9, 0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  br label %11

11:                                               ; preds = %2, %6
  %.0 = phi i1 [ %10, %6 ], [ false, %2 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  ret i1 %.0
}

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

declare noundef ptr @_ZN11__sanitizer15internal_memcpyEPvPKvm(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

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 = { 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 = { "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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,LowerExpectIntrinsicPass,SROAPass,SimplifyCFGPass,TailCallElimPass