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

@.str.12 = external hidden unnamed_addr constant [75 x i8], align 1
@_ZN11__sanitizer17SanitizerToolNameE = external global ptr, 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: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZN11__sanitizer17GetPageSizeCachedEv() #1

declare noundef zeroext i1 @_ZN11__sanitizer16internal_iserrorEmPi(i64 noundef, ptr noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN11__sanitizer17GetNamedMappingFdEPKcm(ptr noundef, i64 noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN11__sanitizer18MmapFixedNoReserveEmmPKc(i64 noundef %0, i64 noundef %1, ptr noundef %2) #3 {
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  store i64 %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %12 = load ptr, ptr %6, align 8, !tbaa !9
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %18

14:                                               ; preds = %3
  %15 = load ptr, ptr %6, align 8, !tbaa !9
  %16 = load i64, ptr %5, align 8, !tbaa !5
  %17 = call noundef i32 @_ZN11__sanitizer17GetNamedMappingFdEPKcm(ptr noundef %15, i64 noundef %16)
  br label %19

18:                                               ; preds = %3
  br label %19

19:                                               ; preds = %18, %14
  %20 = phi i32 [ %17, %14 ], [ -1, %18 ]
  store i32 %20, ptr %7, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 16402, ptr %8, align 4, !tbaa !11
  %21 = load i32, ptr %7, align 4, !tbaa !11
  %22 = icmp eq i32 %21, -1
  br i1 %22, label %23, label %26

23:                                               ; preds = %19
  %24 = load i32, ptr %8, align 4, !tbaa !11
  %25 = or i32 %24, 32
  store i32 %25, ptr %8, align 4, !tbaa !11
  br label %26

26:                                               ; preds = %23, %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %27 = call noundef i64 @_ZN11__sanitizer17GetPageSizeCachedEv()
  store i64 %27, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %28 = load i64, ptr %4, align 8, !tbaa !5
  %29 = load i64, ptr %9, align 8, !tbaa !5
  %30 = sub i64 %29, 1
  %31 = xor i64 %30, -1
  %32 = and i64 %28, %31
  %33 = inttoptr i64 %32 to ptr
  %34 = load i64, ptr %5, align 8, !tbaa !5
  %35 = load i64, ptr %9, align 8, !tbaa !5
  %36 = call noundef i64 @_ZN11__sanitizer9RoundUpToEmm(i64 noundef %34, i64 noundef %35)
  %37 = load i32, ptr %8, align 4, !tbaa !11
  %38 = load i32, ptr %7, align 4, !tbaa !11
  %39 = call noundef i64 @_ZN11__sanitizer13internal_mmapEPvmiiiy(ptr noundef %33, i64 noundef %36, i32 noundef 3, i32 noundef %37, i32 noundef %38, i64 noundef 0)
  store i64 %39, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  %40 = load i64, ptr %10, align 8, !tbaa !5
  %41 = call noundef zeroext i1 @_ZN11__sanitizer16internal_iserrorEmPi(i64 noundef %40, ptr noundef %11)
  br i1 %41, label %42, label %48

42:                                               ; preds = %26
  %43 = load ptr, ptr @_ZN11__sanitizer17SanitizerToolNameE, align 8, !tbaa !9
  %44 = load i64, ptr %5, align 8, !tbaa !5
  %45 = load i64, ptr %5, align 8, !tbaa !5
  %46 = load i64, ptr %4, align 8, !tbaa !5
  %47 = load i32, ptr %11, align 4, !tbaa !11
  call void (ptr, ...) @_ZN11__sanitizer6ReportEPKcz(ptr noundef @.str.12, ptr noundef %43, i64 noundef %44, i64 noundef %45, i64 noundef %46, i32 noundef %47)
  br label %48

48:                                               ; preds = %42, %26
  %49 = load i64, ptr %5, align 8, !tbaa !5
  call void @_ZN11__sanitizer17IncreaseTotalMmapEm(i64 noundef %49)
  %50 = load i64, ptr %10, align 8, !tbaa !5
  %51 = inttoptr i64 %50 to ptr
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret ptr %51
}

declare noundef i64 @_ZN11__sanitizer13internal_mmapEPvmiiiy(ptr noundef, i64 noundef, i32 noundef, i32 noundef, i32 noundef, i64 noundef) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZN11__sanitizer9RoundUpToEmm(i64 noundef, i64 noundef) #1

declare void @_ZN11__sanitizer6ReportEPKcz(ptr noundef, ...) #2

declare void @_ZN11__sanitizer17IncreaseTotalMmapEm(i64 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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.12 = external hidden unnamed_addr constant [75 x i8], align 1
@_ZN11__sanitizer17SanitizerToolNameE = external local_unnamed_addr global ptr, 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: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZN11__sanitizer17GetPageSizeCachedEv() local_unnamed_addr #1

declare noundef zeroext i1 @_ZN11__sanitizer16internal_iserrorEmPi(i64 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN11__sanitizer17GetNamedMappingFdEPKcm(ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN11__sanitizer18MmapFixedNoReserveEmmPKc(i64 noundef %0, i64 noundef %1, ptr noundef %2) local_unnamed_addr #3 {
  %4 = alloca i32, align 4
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %.thread, label %5

5:                                                ; preds = %3
  %6 = tail call noundef i32 @_ZN11__sanitizer17GetNamedMappingFdEPKcm(ptr noundef nonnull %2, i64 noundef %1)
  %7 = icmp eq i32 %6, -1
  %spec.select17 = select i1 %7, i32 16434, i32 16402
  br label %.thread

.thread:                                          ; preds = %5, %3
  %8 = phi i32 [ -1, %3 ], [ %6, %5 ]
  %9 = phi i32 [ 16434, %3 ], [ %spec.select17, %5 ]
  %10 = tail call noundef i64 @_ZN11__sanitizer17GetPageSizeCachedEv()
  %11 = sub i64 0, %10
  %12 = and i64 %11, %0
  %13 = inttoptr i64 %12 to ptr
  %14 = tail call noundef i64 @_ZN11__sanitizer9RoundUpToEmm(i64 noundef %1, i64 noundef %10)
  %15 = tail call noundef i64 @_ZN11__sanitizer13internal_mmapEPvmiiiy(ptr noundef %13, i64 noundef %14, i32 noundef 3, i32 noundef %9, i32 noundef %8, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %16 = call noundef zeroext i1 @_ZN11__sanitizer16internal_iserrorEmPi(i64 noundef %15, ptr noundef nonnull %4)
  br i1 %16, label %17, label %20

17:                                               ; preds = %.thread
  %18 = load ptr, ptr @_ZN11__sanitizer17SanitizerToolNameE, align 8, !tbaa !5
  %19 = load i32, ptr %4, align 4, !tbaa !9
  call void (ptr, ...) @_ZN11__sanitizer6ReportEPKcz(ptr noundef nonnull @.str.12, ptr noundef %18, i64 noundef %1, i64 noundef %1, i64 noundef %0, i32 noundef %19)
  br label %20

20:                                               ; preds = %17, %.thread
  call void @_ZN11__sanitizer17IncreaseTotalMmapEm(i64 noundef %1)
  %21 = inttoptr i64 %15 to ptr
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  ret ptr %21
}

declare noundef i64 @_ZN11__sanitizer13internal_mmapEPvmiiiy(ptr noundef, i64 noundef, i32 noundef, i32 noundef, i32 noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZN11__sanitizer9RoundUpToEmm(i64 noundef, i64 noundef) local_unnamed_addr #1

declare void @_ZN11__sanitizer6ReportEPKcz(ptr noundef, ...) local_unnamed_addr #2

declare void @_ZN11__sanitizer17IncreaseTotalMmapEm(i64 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}


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