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

; 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_key_attributes_s = type { %struct.psa_core_key_attributes_t, ptr, i64 }
%struct.psa_core_key_attributes_t = type { i16, i16, i32, i32, %struct.psa_key_policy_s, i16 }
%struct.psa_key_policy_s = type { i32, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local i32 @iotex_psa_ecdsa_sign_hash(ptr noundef %0, ptr noundef %1, i64 noundef %2, i32 noundef %3, ptr noundef %4, i64 noundef %5, ptr noundef %6, i64 noundef %7, ptr noundef %8) #0 {
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i64, align 8
  %13 = alloca i32, align 4
  %14 = alloca ptr, align 8
  %15 = alloca i64, align 8
  %16 = alloca ptr, align 8
  %17 = alloca i64, align 8
  %18 = alloca ptr, align 8
  store ptr %0, ptr %10, align 8, !tbaa !5
  store ptr %1, ptr %11, align 8, !tbaa !5
  store i64 %2, ptr %12, align 8, !tbaa !9
  store i32 %3, ptr %13, align 4, !tbaa !11
  store ptr %4, ptr %14, align 8, !tbaa !5
  store i64 %5, ptr %15, align 8, !tbaa !9
  store ptr %6, ptr %16, align 8, !tbaa !5
  store i64 %7, ptr %17, align 8, !tbaa !9
  store ptr %8, ptr %18, align 8, !tbaa !5
  %19 = load ptr, ptr %10, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.psa_key_attributes_s, ptr %19, i32 0, i32 0
  %21 = getelementptr inbounds %struct.psa_core_key_attributes_t, ptr %20, i32 0, i32 0
  %22 = load i16, ptr %21, align 8, !tbaa !13
  %23 = zext i16 %22 to i32
  %24 = and i32 %23, -12289
  %25 = and i32 %24, -256
  %26 = icmp eq i32 %25, 16640
  br i1 %26, label %27, label %34

27:                                               ; preds = %9
  %28 = load ptr, ptr %10, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.psa_key_attributes_s, ptr %28, i32 0, i32 0
  %30 = getelementptr inbounds %struct.psa_core_key_attributes_t, ptr %29, i32 0, i32 0
  %31 = load i16, ptr %30, align 8, !tbaa !13
  %32 = zext i16 %31 to i32
  %33 = and i32 %32, 255
  br label %35

34:                                               ; preds = %9
  br label %35

35:                                               ; preds = %34, %27
  %36 = phi i32 [ %33, %27 ], [ 0, %34 ]
  %37 = trunc i32 %36 to i8
  %38 = zext i8 %37 to i16
  %39 = load ptr, ptr %11, align 8, !tbaa !5
  %40 = load i64, ptr %12, align 8, !tbaa !9
  %41 = load ptr, ptr %14, align 8, !tbaa !5
  %42 = load i64, ptr %15, align 8, !tbaa !9
  %43 = load ptr, ptr %16, align 8, !tbaa !5
  %44 = load ptr, ptr %18, align 8, !tbaa !5
  %45 = call i32 @iotex_ecdsa_sign(i16 noundef zeroext %38, ptr noundef %39, i64 noundef %40, ptr noundef %41, i64 noundef %42, ptr noundef %43, ptr noundef %44)
  ret i32 %45
}

declare i32 @iotex_ecdsa_sign(i16 noundef zeroext, ptr noundef, i64 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #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" }

!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, !16, i64 0}
!14 = !{!"psa_key_attributes_s", !15, i64 0, !6, i64 32, !10, i64 40}
!15 = !{!"", !16, i64 0, !16, i64 2, !12, i64 4, !12, i64 8, !17, i64 12, !16, i64 24}
!16 = !{!"short", !7, i64 0}
!17 = !{!"psa_key_policy_s", !12, i64 0, !12, i64 4, !12, 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"

; Function Attrs: nounwind uwtable
define dso_local i32 @iotex_psa_ecdsa_sign_hash(ptr nocapture noundef readonly %0, ptr noundef %1, i64 noundef %2, i32 noundef %3, ptr noundef %4, i64 noundef %5, ptr noundef %6, i64 noundef %7, ptr noundef %8) local_unnamed_addr #0 {
  %10 = load i16, ptr %0, align 8, !tbaa !5
  %11 = and i16 %10, -12544
  %12 = icmp eq i16 %11, 16640
  %13 = and i16 %10, 255
  %spec.select = select i1 %12, i16 %13, i16 0
  %14 = tail call i32 @iotex_ecdsa_sign(i16 noundef zeroext %spec.select, ptr noundef %1, i64 noundef %2, ptr noundef %4, i64 noundef %5, ptr noundef %6, ptr noundef %8) #2
  ret i32 %14
}

declare i32 @iotex_ecdsa_sign(i16 noundef zeroext, ptr noundef, i64 noundef, ptr noundef, i64 noundef, 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, !8, i64 0}
!6 = !{!"psa_key_attributes_s", !7, i64 0, !13, i64 32, !14, i64 40}
!7 = !{!"", !8, i64 0, !8, i64 2, !11, i64 4, !11, i64 8, !12, i64 12, !8, i64 24}
!8 = !{!"short", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!"psa_key_policy_s", !11, i64 0, !11, i64 4, !11, i64 8}
!13 = !{!"any pointer", !9, i64 0}
!14 = !{!"long", !9, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass