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

; 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.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

declare i32 @iotex_to_psa_error(i32 noundef) #1

; 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 @iotex_psa_hash_update(ptr noundef %0, ptr noundef %1, i64 noundef %2) #2 {
  %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
  %9 = 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
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 -110, ptr %8, align 4, !tbaa !11
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.iotex_psa_hash_operation_t, ptr %10, i32 0, i32 0
  %12 = load i32, ptr %11, align 8, !tbaa !13
  switch i32 %12, label %25 [
    i32 33554440, label %13
    i32 33554441, label %19
  ]

13:                                               ; preds = %3
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.iotex_psa_hash_operation_t, ptr %14, i32 0, i32 1
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = load i64, ptr %7, align 8, !tbaa !9
  %18 = call i32 @iotex_sha256_update(ptr noundef %15, ptr noundef %16, i64 noundef %17)
  store i32 %18, ptr %8, align 4, !tbaa !11
  br label %28

19:                                               ; preds = %3
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.iotex_psa_hash_operation_t, ptr %20, i32 0, i32 1
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = load i64, ptr %7, align 8, !tbaa !9
  %24 = call i32 @iotex_sha256_update(ptr noundef %21, ptr noundef %22, i64 noundef %23)
  store i32 %24, ptr %8, align 4, !tbaa !11
  br label %28

25:                                               ; preds = %3
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = load i64, ptr %7, align 8, !tbaa !9
  store i32 -137, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %31

28:                                               ; preds = %19, %13
  %29 = load i32, ptr %8, align 4, !tbaa !11
  %30 = call i32 @iotex_to_psa_error(i32 noundef %29)
  store i32 %30, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %31

31:                                               ; preds = %28, %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  %32 = load i32, ptr %4, align 4
  ret i32 %32
}

declare i32 @iotex_sha256_update(ptr noundef, ptr noundef, i64 noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 #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 0}
!14 = !{!"", !12, i64 0, !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"

declare i32 @iotex_to_psa_error(i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @iotex_psa_hash_update(ptr noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #1 {
  %4 = load i32, ptr %0, align 8, !tbaa !5
  %5 = and i32 %4, -2
  %switch = icmp eq i32 %5, 33554440
  br i1 %switch, label %6, label %10

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = tail call i32 @iotex_sha256_update(ptr noundef nonnull %7, ptr noundef %1, i64 noundef %2) #2
  %9 = tail call i32 @iotex_to_psa_error(i32 noundef %8) #2
  br label %10

10:                                               ; preds = %3, %6
  %.010 = phi i32 [ %9, %6 ], [ -137, %3 ]
  ret i32 %.010
}

declare i32 @iotex_sha256_update(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #0

attributes #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 = { 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 = { 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 = !{!"", !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: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass