; 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"

; 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: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @psa_hash_abort(ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @psa_hash_finish(ptr noundef, ptr noundef, i64 noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @psa_hash_verify(ptr noundef %0, ptr noundef %1, i64 noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca [32 x i8], align 16
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds [32 x i8], ptr %7, i64 0, i64 0
  %12 = call i32 @psa_hash_finish(ptr noundef %10, ptr noundef %11, i64 noundef 32, ptr noundef %8)
  store i32 %12, ptr %9, align 4, !tbaa !11
  %13 = load i32, ptr %9, align 4, !tbaa !11
  %14 = icmp ne i32 %13, 0
  br i1 %14, label %15, label %16

15:                                               ; preds = %3
  br label %29

16:                                               ; preds = %3
  %17 = load i64, ptr %8, align 8, !tbaa !9
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = icmp ne i64 %17, %18
  br i1 %19, label %20, label %21

20:                                               ; preds = %16
  store i32 -149, ptr %9, align 4, !tbaa !11
  br label %29

21:                                               ; preds = %16
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds [32 x i8], ptr %7, i64 0, i64 0
  %24 = load i64, ptr %8, align 8, !tbaa !9
  %25 = call i32 @iotex_psa_safer_memcmp(ptr noundef %22, ptr noundef %23, i64 noundef %24)
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %21
  store i32 -149, ptr %9, align 4, !tbaa !11
  br label %28

28:                                               ; preds = %27, %21
  br label %29

29:                                               ; preds = %28, %20, %15
  %30 = getelementptr inbounds [32 x i8], ptr %7, i64 0, i64 0
  call void @llvm.memset.p0.i64(ptr align 16 %30, i8 0, i64 32, i1 false)
  %31 = load i32, ptr %9, align 4, !tbaa !11
  %32 = icmp ne i32 %31, 0
  br i1 %32, label %33, label %36

33:                                               ; preds = %29
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = call i32 @psa_hash_abort(ptr noundef %34)
  br label %36

36:                                               ; preds = %33, %29
  %37 = load i32, ptr %9, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #4
  ret i32 %37
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @iotex_psa_safer_memcmp(ptr noundef, ptr noundef, i64 noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { inlinehint 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 #4 = { 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}


; 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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @psa_hash_abort(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @psa_hash_finish(ptr noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local i32 @psa_hash_verify(ptr noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #2 {
  %4 = alloca [32 x i8], align 16
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %6 = call i32 @psa_hash_finish(ptr noundef %0, ptr noundef nonnull %4, i64 noundef 32, ptr noundef nonnull %5)
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %7, label %11

7:                                                ; preds = %3
  %8 = load i64, ptr %5, align 8, !tbaa !5
  %.not8 = icmp eq i64 %8, %2
  br i1 %.not8, label %9, label %11

9:                                                ; preds = %7
  %10 = call i32 @iotex_psa_safer_memcmp(ptr noundef %1, ptr noundef nonnull %4, i64 noundef %2)
  %.not9 = icmp eq i32 %10, 0
  br i1 %.not9, label %13, label %11

11:                                               ; preds = %3, %7, %9
  %.0.ph = phi i32 [ -149, %9 ], [ -149, %7 ], [ %6, %3 ]
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %4, i8 0, i64 32, i1 false)
  %12 = call i32 @psa_hash_abort(ptr noundef %0)
  br label %13

13:                                               ; preds = %9, %11
  %.014 = phi i32 [ %.0.ph, %11 ], [ 0, %9 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  ret i32 %.014
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @iotex_psa_safer_memcmp(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { inlinehint 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 #4 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,SROAPass,SimplifyCFGPass