; 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_cipher_operation_s = type { i32, i8, i8, %union.psa_driver_cipher_context_t }
%union.psa_driver_cipher_context_t = type { %struct.iotex_psa_cipher_operation_t }
%struct.iotex_psa_cipher_operation_t = type { i32, i8, i8, %union.anon }
%union.anon = type { %struct.iotex_cipher_context_t }
%struct.iotex_cipher_context_t = type { ptr, i32, i32, ptr, ptr, [16 x i8], i64, [16 x i8], i64, ptr, ptr }

; 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_cipher_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 -135, 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 %36 [
    i32 0, label %21
  ]

21:                                               ; preds = %5
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.psa_cipher_operation_s, ptr %22, i32 0, i32 3
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  %25 = load ptr, ptr %9, align 8, !tbaa !5
  %26 = load i64, ptr %10, align 8, !tbaa !9
  %27 = load i32, ptr %11, align 4, !tbaa !11
  %28 = call i32 @iotex_psa_cipher_decrypt_setup(ptr noundef %23, ptr noundef %24, ptr noundef %25, i64 noundef %26, i32 noundef %27)
  store i32 %28, ptr %12, align 4, !tbaa !11
  %29 = load i32, ptr %12, align 4, !tbaa !11
  %30 = icmp eq i32 %29, 0
  br i1 %30, label %31, label %34

31:                                               ; preds = %21
  %32 = load ptr, ptr %7, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.psa_cipher_operation_s, ptr %32, i32 0, i32 0
  store i32 1, ptr %33, align 8, !tbaa !18
  br label %34

34:                                               ; preds = %31, %21
  %35 = load i32, ptr %12, align 4, !tbaa !11
  store i32 %35, ptr %6, align 4
  store i32 1, ptr %14, align 4
  br label %42

36:                                               ; preds = %5
  %37 = load i32, ptr %12, align 4, !tbaa !11
  %38 = load ptr, ptr %7, align 8, !tbaa !5
  %39 = load ptr, ptr %9, align 8, !tbaa !5
  %40 = load i64, ptr %10, align 8, !tbaa !9
  %41 = load i32, ptr %11, align 4, !tbaa !11
  store i32 -135, ptr %6, align 4
  store i32 1, ptr %14, align 4
  br label %42

42:                                               ; preds = %36, %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  %43 = load i32, ptr %6, align 4
  ret i32 %43
}

declare i32 @iotex_psa_cipher_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_cipher_operation_s", !12, i64 0, !12, i64 4, !12, i64 4, !7, i64 5, !7, i64 8}


; 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_cipher_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 %13

8:                                                ; preds = %5
  %9 = getelementptr inbounds i8, ptr %0, i64 8
  %10 = tail call i32 @iotex_psa_cipher_decrypt_setup(ptr noundef nonnull %9, ptr noundef nonnull %1, ptr noundef %2, i64 noundef %3, i32 noundef %4) #2
  %11 = icmp eq i32 %10, 0
  br i1 %11, label %12, label %13

12:                                               ; preds = %8
  store i32 1, ptr %0, align 8, !tbaa !15
  br label %13

13:                                               ; preds = %5, %8, %12
  %.0 = phi i32 [ 0, %12 ], [ %10, %8 ], [ -135, %5 ]
  ret i32 %.0
}

declare i32 @iotex_psa_cipher_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_cipher_operation_s", !11, i64 0, !11, i64 4, !11, i64 4, !9, i64 5, !9, i64 8}


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