; LLVM IR from machinefi/psa-crypto-arduino :: src/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_global_data_t = type { i8, %struct.iotex_psa_external_random_context_t }
%struct.iotex_psa_external_random_context_t = type { [2 x i64] }
%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 }

@global_data = external hidden global %struct.psa_global_data_t, align 8

; 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_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
  %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
  %10 = load i8, ptr @global_data, align 8
  %11 = and i8 %10, 1
  %12 = zext i8 %11 to i32
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %3
  store i32 -137, ptr %4, align 4
  br label %49

15:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 -151, ptr %8, align 4, !tbaa !11
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %24

18:                                               ; preds = %15
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %25, label %21

21:                                               ; preds = %18
  %22 = load i64, ptr %7, align 8, !tbaa !9
  %23 = icmp ne i64 %22, 0
  br i1 %23, label %24, label %25

24:                                               ; preds = %21, %15
  store i32 -135, ptr %8, align 4, !tbaa !11
  br label %40

25:                                               ; preds = %21, %18
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.psa_hash_operation_s, ptr %26, i32 0, i32 0
  %28 = load i32, ptr %27, align 8, !tbaa !13
  %29 = icmp eq i32 %28, 0
  br i1 %29, label %30, label %31

30:                                               ; preds = %25
  store i32 -137, ptr %8, align 4, !tbaa !11
  br label %40

31:                                               ; preds = %25
  %32 = load i64, ptr %7, align 8, !tbaa !9
  %33 = icmp eq i64 %32, 0
  br i1 %33, label %34, label %35

34:                                               ; preds = %31
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %48

35:                                               ; preds = %31
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  %38 = load i64, ptr %7, align 8, !tbaa !9
  %39 = call i32 @psa_driver_wrapper_hash_update(ptr noundef %36, ptr noundef %37, i64 noundef %38)
  store i32 %39, ptr %8, align 4, !tbaa !11
  br label %40

40:                                               ; preds = %35, %30, %24
  %41 = load i32, ptr %8, align 4, !tbaa !11
  %42 = icmp ne i32 %41, 0
  br i1 %42, label %43, label %46

43:                                               ; preds = %40
  %44 = load ptr, ptr %5, align 8, !tbaa !5
  %45 = call i32 @psa_hash_abort(ptr noundef %44)
  br label %46

46:                                               ; preds = %43, %40
  %47 = load i32, ptr %8, align 4, !tbaa !11
  store i32 %47, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %48

48:                                               ; preds = %46, %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %49

49:                                               ; preds = %48, %14
  %50 = load i32, ptr %4, align 4
  ret i32 %50
}

declare i32 @psa_driver_wrapper_hash_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, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !12, i64 0}
!14 = !{!"psa_hash_operation_s", !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"

%struct.psa_global_data_t = type { i8, %struct.iotex_psa_external_random_context_t }
%struct.iotex_psa_external_random_context_t = type { [2 x i64] }

@global_data = external hidden local_unnamed_addr global %struct.psa_global_data_t, align 8

; 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_update(ptr noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = load i8, ptr @global_data, align 8
  %5 = and i8 %4, 1
  %6 = icmp eq i8 %5, 0
  br i1 %6, label %19, label %7

7:                                                ; preds = %3
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %.thread, label %8

8:                                                ; preds = %7
  %9 = icmp eq ptr %1, null
  %10 = icmp ne i64 %2, 0
  %or.cond = and i1 %9, %10
  br i1 %or.cond, label %.thread, label %11

11:                                               ; preds = %8
  %12 = load i32, ptr %0, align 8, !tbaa !5
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %.thread, label %14

14:                                               ; preds = %11
  %15 = icmp eq i64 %2, 0
  br i1 %15, label %19, label %16

16:                                               ; preds = %14
  %17 = tail call i32 @psa_driver_wrapper_hash_update(ptr noundef nonnull %0, ptr noundef %1, i64 noundef %2) #2
  %.not15 = icmp eq i32 %17, 0
  br i1 %.not15, label %19, label %.thread

.thread:                                          ; preds = %11, %7, %8, %16
  %.018 = phi i32 [ %17, %16 ], [ -137, %11 ], [ -135, %7 ], [ -135, %8 ]
  %18 = tail call i32 @psa_hash_abort(ptr noundef %0)
  br label %19

19:                                               ; preds = %14, %.thread, %16, %3
  %.1 = phi i32 [ -137, %3 ], [ 0, %14 ], [ %.018, %.thread ], [ 0, %16 ]
  ret i32 %.1
}

declare i32 @psa_driver_wrapper_hash_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_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,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,SROAPass,SimplifyCFGPass,TailCallElimPass