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

; 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_mac_operation_s = type { i32, i8, i8, %union.psa_driver_mac_context_t }
%union.psa_driver_mac_context_t = type { %struct.iotex_psa_mac_operation_t }
%struct.iotex_psa_mac_operation_t = type { i32, %union.anon.0 }
%union.anon.0 = type { %struct.iotex_psa_hmac_operation_t }
%struct.iotex_psa_hmac_operation_t = type { i32, %struct.psa_hash_operation_s, [64 x i8] }
%struct.psa_hash_operation_s = type { i32, %union.psa_driver_hash_context_t }
%union.psa_driver_hash_context_t = type { %struct.iotex_psa_hash_operation_t }
%struct.iotex_psa_hash_operation_t = type { i32, %union.anon }
%union.anon = type { %struct.iotex_sha256_context }
%struct.iotex_sha256_context = type { 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
declare dso_local i32 @psa_mac_abort(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @psa_mac_update(ptr noundef %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.psa_mac_operation_s, ptr %9, i32 0, i32 0
  %11 = load i32, ptr %10, align 8, !tbaa !11
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %3
  store i32 -137, ptr %4, align 4
  br label %30

14:                                               ; preds = %3
  %15 = load i64, ptr %7, align 8, !tbaa !9
  %16 = icmp eq i64 %15, 0
  br i1 %16, label %17, label %18

17:                                               ; preds = %14
  store i32 0, ptr %4, align 4
  br label %30

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = load i64, ptr %7, align 8, !tbaa !9
  %22 = call i32 @psa_driver_wrapper_mac_update(ptr noundef %19, ptr noundef %20, i64 noundef %21)
  store i32 %22, ptr %8, align 4, !tbaa !14
  %23 = load i32, ptr %8, align 4, !tbaa !14
  %24 = icmp ne i32 %23, 0
  br i1 %24, label %25, label %28

25:                                               ; preds = %18
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = call i32 @psa_mac_abort(ptr noundef %26)
  br label %28

28:                                               ; preds = %25, %18
  %29 = load i32, ptr %8, align 4, !tbaa !14
  store i32 %29, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %30

30:                                               ; preds = %28, %17, %13
  %31 = load i32, ptr %4, align 4
  ret i32 %31
}

declare i32 @psa_driver_wrapper_mac_update(ptr noundef, ptr noundef, i64 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, !13, i64 0}
!12 = !{!"psa_mac_operation_s", !13, i64 0, !7, i64 4, !13, i64 5, !7, i64 8}
!13 = !{!"int", !7, i64 0}
!14 = !{!13, !13, 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 @psa_mac_abort(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @psa_mac_update(ptr noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = load i32, ptr %0, align 8, !tbaa !5
  %5 = icmp eq i32 %4, 0
  br i1 %5, label %12, label %6

6:                                                ; preds = %3
  %7 = icmp eq i64 %2, 0
  br i1 %7, label %12, label %8

8:                                                ; preds = %6
  %9 = tail call i32 @psa_driver_wrapper_mac_update(ptr noundef nonnull %0, ptr noundef %1, i64 noundef %2) #2
  %.not = icmp eq i32 %9, 0
  br i1 %.not, label %12, label %10

10:                                               ; preds = %8
  %11 = tail call i32 @psa_mac_abort(ptr noundef nonnull %0)
  br label %12

12:                                               ; preds = %8, %10, %6, %3
  %.0 = phi i32 [ -137, %3 ], [ 0, %6 ], [ %9, %10 ], [ 0, %8 ]
  ret i32 %.0
}

declare i32 @psa_driver_wrapper_mac_update(ptr noundef, ptr noundef, i64 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, !7, i64 0}
!6 = !{!"psa_mac_operation_s", !7, i64 0, !8, i64 4, !7, i64 5, !8, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


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