; 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_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_hash_abort(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @psa_hash_clone(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.psa_hash_operation_s, ptr %7, i32 0, i32 0
  %9 = load i32, ptr %8, align 8, !tbaa !9
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %16, label %11

11:                                               ; preds = %2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.psa_hash_operation_s, ptr %12, i32 0, i32 0
  %14 = load i32, ptr %13, align 8, !tbaa !9
  %15 = icmp ne i32 %14, 0
  br i1 %15, label %16, label %17

16:                                               ; preds = %11, %2
  store i32 -137, ptr %3, align 4
  br label %28

17:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = call i32 @psa_driver_wrapper_hash_clone(ptr noundef %18, ptr noundef %19)
  store i32 %20, ptr %6, align 4, !tbaa !12
  %21 = load i32, ptr %6, align 4, !tbaa !12
  %22 = icmp ne i32 %21, 0
  br i1 %22, label %23, label %26

23:                                               ; preds = %17
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = call i32 @psa_hash_abort(ptr noundef %24)
  br label %26

26:                                               ; preds = %23, %17
  %27 = load i32, ptr %6, align 4, !tbaa !12
  store i32 %27, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %28

28:                                               ; preds = %26, %16
  %29 = load i32, ptr %3, align 4
  ret i32 %29
}

declare i32 @psa_driver_wrapper_hash_clone(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 = !{!10, !11, i64 0}
!10 = !{!"psa_hash_operation_s", !11, i64 0, !7, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, 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_hash_abort(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @psa_hash_clone(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = load i32, ptr %0, align 8, !tbaa !5
  %4 = icmp eq i32 %3, 0
  br i1 %4, label %11, label %5

5:                                                ; preds = %2
  %6 = load i32, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %7, label %11

7:                                                ; preds = %5
  %8 = tail call i32 @psa_driver_wrapper_hash_clone(ptr noundef nonnull %0, ptr noundef nonnull %1) #2
  %.not7 = icmp eq i32 %8, 0
  br i1 %.not7, label %11, label %9

9:                                                ; preds = %7
  %10 = tail call i32 @psa_hash_abort(ptr noundef nonnull %1)
  br label %11

11:                                               ; preds = %7, %9, %2, %5
  %.0 = phi i32 [ -137, %5 ], [ -137, %2 ], [ %8, %9 ], [ 0, %7 ]
  ret i32 %.0
}

declare i32 @psa_driver_wrapper_hash_clone(ptr noundef, ptr 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_hash_operation_s", !7, i64 0, !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