; LLVM IR from machinefi/psa-crypto-esp32 :: psa_layer (psa_crypto_driver_wrappers)

; 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.psa_key_attributes_s = type { %struct.psa_core_key_attributes_t, ptr, i64 }
%struct.psa_core_key_attributes_t = type { i16, i16, i32, i32, %struct.psa_key_policy_s, i16 }
%struct.psa_key_policy_s = type { i32, i32, i32 }
%struct.psa_aead_operation_s = type { i32, i32, i16, i64, i64, i8, %union.psa_driver_aead_context_t }
%union.psa_driver_aead_context_t = type { %struct.iotex_psa_aead_operation_t }
%struct.iotex_psa_aead_operation_t = type { i32, i16, i8, i8, %union.anon.1 }
%union.anon.1 = type { i32 }

; 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 @psa_driver_wrapper_aead_decrypt_setup(ptr noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3, i32 noundef %4) #1 {
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store ptr %2, ptr %9, align 8, !tbaa !5
  store i64 %3, ptr %10, align 8, !tbaa !9
  store i32 %4, ptr %11, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  store i32 -151, ptr %12, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  %15 = load ptr, ptr %8, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.psa_key_attributes_s, ptr %15, i32 0, i32 0
  %17 = getelementptr inbounds %struct.psa_core_key_attributes_t, ptr %16, i32 0, i32 2
  %18 = load i32, ptr %17, align 4, !tbaa !13
  %19 = lshr i32 %18, 8
  store i32 %19, ptr %13, align 4, !tbaa !11
  %20 = load i32, ptr %13, align 4, !tbaa !11
  switch i32 %20, label %32 [
    i32 0, label %21
  ]

21:                                               ; preds = %5
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.psa_aead_operation_s, ptr %22, i32 0, i32 0
  store i32 1, ptr %23, align 8, !tbaa !18
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.psa_aead_operation_s, ptr %24, i32 0, i32 6
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = load ptr, ptr %9, align 8, !tbaa !5
  %28 = load i64, ptr %10, align 8, !tbaa !9
  %29 = load i32, ptr %11, align 4, !tbaa !11
  %30 = call i32 @iotex_psa_aead_decrypt_setup(ptr noundef %25, ptr noundef %26, ptr noundef %27, i64 noundef %28, i32 noundef %29)
  store i32 %30, ptr %12, align 4, !tbaa !11
  %31 = load i32, ptr %12, align 4, !tbaa !11
  store i32 %31, ptr %6, align 4
  store i32 1, ptr %14, align 4
  br label %34

32:                                               ; preds = %5
  %33 = load i32, ptr %12, align 4, !tbaa !11
  store i32 -135, ptr %6, align 4
  store i32 1, ptr %14, align 4
  br label %34

34:                                               ; preds = %32, %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  %35 = load i32, ptr %6, align 4
  ret i32 %35
}

declare i32 @iotex_psa_aead_decrypt_setup(ptr noundef, ptr noundef, ptr noundef, i64 noundef, i32 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 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !12, i64 4}
!14 = !{!"psa_key_attributes_s", !15, i64 0, !6, i64 32, !10, i64 40}
!15 = !{!"", !16, i64 0, !16, i64 2, !12, i64 4, !12, i64 8, !17, i64 12, !16, i64 24}
!16 = !{!"short", !7, i64 0}
!17 = !{!"psa_key_policy_s", !12, i64 0, !12, i64 4, !12, i64 8}
!18 = !{!19, !12, i64 0}
!19 = !{!"psa_aead_operation_s", !12, i64 0, !12, i64 4, !16, i64 8, !10, i64 16, !10, i64 24, !12, i64 32, !12, i64 32, !12, i64 32, !12, i64 32, !12, i64 32, !7, i64 36}


; 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
define dso_local i32 @psa_driver_wrapper_aead_decrypt_setup(ptr noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3, i32 noundef %4) local_unnamed_addr #0 {
  %6 = getelementptr inbounds i8, ptr %1, i64 4
  %7 = load i32, ptr %6, align 4, !tbaa !5
  %cond = icmp ult i32 %7, 256
  br i1 %cond, label %8, label %11

8:                                                ; preds = %5
  store i32 1, ptr %0, align 8, !tbaa !15
  %9 = getelementptr inbounds i8, ptr %0, i64 36
  %10 = tail call i32 @iotex_psa_aead_decrypt_setup(ptr noundef nonnull %9, ptr noundef nonnull %1, ptr noundef %2, i64 noundef %3, i32 noundef %4) #2
  br label %11

11:                                               ; preds = %5, %8
  %.0 = phi i32 [ %10, %8 ], [ -135, %5 ]
  ret i32 %.0
}

declare i32 @iotex_psa_aead_decrypt_setup(ptr noundef, ptr noundef, ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #1

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 = { "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 }

!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, !11, i64 4}
!6 = !{!"psa_key_attributes_s", !7, i64 0, !13, i64 32, !14, i64 40}
!7 = !{!"", !8, i64 0, !8, i64 2, !11, i64 4, !11, i64 8, !12, i64 12, !8, i64 24}
!8 = !{!"short", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!"psa_key_policy_s", !11, i64 0, !11, i64 4, !11, i64 8}
!13 = !{!"any pointer", !9, i64 0}
!14 = !{!"long", !9, i64 0}
!15 = !{!16, !11, i64 0}
!16 = !{!"psa_aead_operation_s", !11, i64 0, !11, i64 4, !8, i64 8, !14, i64 16, !14, i64 24, !11, i64 32, !11, i64 32, !11, i64 32, !11, i64 32, !11, i64 32, !9, i64 36}


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