; LLVM IR from square/subzero :: core/external-crypto/aes (aesaux)

; 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"

; 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 uwtable
define dso_local i32 @fopen_s(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca [64 x i8], align 16
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 64, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %11 = getelementptr inbounds [64 x i8], ptr %7, i64 0, i64 0
  store ptr %11, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %12, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  br label %13

13:                                               ; preds = %28, %3
  %14 = load ptr, ptr %9, align 8, !tbaa !5
  %15 = load i8, ptr %14, align 1, !tbaa !9
  %16 = sext i8 %15 to i32
  %17 = icmp eq i32 %16, 92
  br i1 %17, label %18, label %19

18:                                               ; preds = %13
  br label %23

19:                                               ; preds = %13
  %20 = load ptr, ptr %9, align 8, !tbaa !5
  %21 = load i8, ptr %20, align 1, !tbaa !9
  %22 = sext i8 %21 to i32
  br label %23

23:                                               ; preds = %19, %18
  %24 = phi i32 [ 47, %18 ], [ %22, %19 ]
  %25 = trunc i32 %24 to i8
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = getelementptr inbounds i8, ptr %26, i32 1
  store ptr %27, ptr %8, align 8, !tbaa !5
  store i8 %25, ptr %26, align 1, !tbaa !9
  br label %28

28:                                               ; preds = %23
  %29 = load ptr, ptr %9, align 8, !tbaa !5
  %30 = getelementptr inbounds i8, ptr %29, i32 1
  store ptr %30, ptr %9, align 8, !tbaa !5
  %31 = load i8, ptr %29, align 1, !tbaa !9
  %32 = icmp ne i8 %31, 0
  br i1 %32, label %13, label %33, !llvm.loop !10

33:                                               ; preds = %28
  %34 = getelementptr inbounds [64 x i8], ptr %7, i64 0, i64 0
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = call noalias ptr @fopen(ptr noundef %34, ptr noundef %35)
  store ptr %36, ptr %10, align 8, !tbaa !5
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %36, ptr %37, align 8, !tbaa !5
  %38 = load ptr, ptr %10, align 8, !tbaa !5
  %39 = icmp eq ptr %38, null
  %40 = zext i1 %39 to i32
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 64, ptr %7) #3
  ret i32 %40
}

declare noalias ptr @fopen(ptr noundef, ptr noundef) #2

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

!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/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"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 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: nofree nounwind uwtable
define dso_local range(i32 0, 2) i32 @fopen_s(ptr nocapture noundef writeonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readonly %2) local_unnamed_addr #1 {
  %4 = alloca [64 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %4) #3
  br label %5

5:                                                ; preds = %5, %3
  %.08 = phi ptr [ %1, %3 ], [ %9, %5 ]
  %.0 = phi ptr [ %4, %3 ], [ %8, %5 ]
  %6 = load i8, ptr %.08, align 1, !tbaa !5
  %7 = icmp eq i8 %6, 92
  %spec.select = select i1 %7, i8 47, i8 %6
  %8 = getelementptr inbounds i8, ptr %.0, i64 1
  store i8 %spec.select, ptr %.0, align 1, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %.08, i64 1
  %.not = icmp eq i8 %6, 0
  br i1 %.not, label %10, label %5, !llvm.loop !8

10:                                               ; preds = %5
  %11 = call noalias ptr @fopen(ptr noundef nonnull %4, ptr noundef %2)
  store ptr %11, ptr %0, align 8, !tbaa !10
  %12 = icmp eq ptr %11, null
  %13 = zext i1 %12 to i32
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %4) #3
  ret i32 %13
}

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nofree 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 = { nofree 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !6, i64 0}


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