; LLVM IR from square/subzero :: core/external-crypto/modes/ltc (ltc_omac)

; 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: nounwind uwtable
declare dso_local i32 @omac_init(ptr noundef, i64 noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @omac_process(ptr noundef, i64 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @omac_done(ptr noundef, ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @omac_memory(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3, ptr noundef %4, ptr noundef %5) #0 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i64 %1, ptr %9, align 8, !tbaa !9
  store ptr %2, ptr %10, align 8, !tbaa !5
  store i64 %3, ptr %11, align 8, !tbaa !9
  store ptr %4, ptr %12, align 8, !tbaa !5
  store ptr %5, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %17 = call noalias ptr @malloc(i64 noundef 336) #5
  store ptr %17, ptr %15, align 8, !tbaa !5
  %18 = load ptr, ptr %15, align 8, !tbaa !5
  %19 = icmp eq ptr %18, null
  br i1 %19, label %20, label %21

20:                                               ; preds = %6
  store i32 1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %46

21:                                               ; preds = %6
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = load i64, ptr %9, align 8, !tbaa !9
  %24 = load ptr, ptr %15, align 8, !tbaa !5
  %25 = call i32 @omac_init(ptr noundef %22, i64 noundef %23, ptr noundef %24)
  store i32 %25, ptr %14, align 4, !tbaa !11
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %21
  br label %43

28:                                               ; preds = %21
  %29 = load ptr, ptr %10, align 8, !tbaa !5
  %30 = load i64, ptr %11, align 8, !tbaa !9
  %31 = load ptr, ptr %15, align 8, !tbaa !5
  %32 = call i32 @omac_process(ptr noundef %29, i64 noundef %30, ptr noundef %31)
  store i32 %32, ptr %14, align 4, !tbaa !11
  %33 = icmp ne i32 %32, 0
  br i1 %33, label %34, label %35

34:                                               ; preds = %28
  br label %43

35:                                               ; preds = %28
  %36 = load ptr, ptr %12, align 8, !tbaa !5
  %37 = load ptr, ptr %13, align 8, !tbaa !5
  %38 = load ptr, ptr %15, align 8, !tbaa !5
  %39 = call i32 @omac_done(ptr noundef %36, ptr noundef %37, ptr noundef %38)
  store i32 %39, ptr %14, align 4, !tbaa !11
  %40 = icmp ne i32 %39, 0
  br i1 %40, label %41, label %42

41:                                               ; preds = %35
  br label %43

42:                                               ; preds = %35
  store i32 0, ptr %14, align 4, !tbaa !11
  br label %43

43:                                               ; preds = %42, %41, %34, %27
  %44 = load ptr, ptr %15, align 8, !tbaa !5
  call void @free(ptr noundef %44) #4
  %45 = load i32, ptr %14, align 4, !tbaa !11
  store i32 %45, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %46

46:                                               ; preds = %43, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  %47 = load i32, ptr %7, align 4
  ret i32 %47
}

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { nounwind }
attributes #5 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !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"

; Function Attrs: nounwind uwtable
declare dso_local i32 @omac_init(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @omac_process(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @omac_done(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @omac_memory(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3, ptr noundef %4, ptr noundef %5) local_unnamed_addr #0 {
  %7 = tail call noalias dereferenceable_or_null(336) ptr @malloc(i64 noundef 336) #3
  %8 = icmp eq ptr %7, null
  br i1 %8, label %16, label %9

9:                                                ; preds = %6
  %10 = tail call i32 @omac_init(ptr noundef %0, i64 noundef %1, ptr noundef nonnull %7)
  %.not = icmp eq i32 %10, 0
  br i1 %.not, label %11, label %15

11:                                               ; preds = %9
  %12 = tail call i32 @omac_process(ptr noundef %2, i64 noundef %3, ptr noundef nonnull %7)
  %.not16 = icmp eq i32 %12, 0
  br i1 %.not16, label %13, label %15

13:                                               ; preds = %11
  %14 = tail call i32 @omac_done(ptr noundef %4, ptr noundef %5, ptr noundef nonnull %7)
  br label %15

15:                                               ; preds = %13, %11, %9
  %.012 = phi i32 [ %10, %9 ], [ %12, %11 ], [ %14, %13 ]
  tail call void @free(ptr noundef nonnull %7) #4
  br label %16

16:                                               ; preds = %6, %15
  %.0 = phi i32 [ %.012, %15 ], [ 1, %6 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

attributes #0 = { 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 #1 = { 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 #2 = { 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 #3 = { nounwind allocsize(0) }
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)"}


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