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

; 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"

@public = external hidden global [64 x i8], align 16

; 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: inlinehint nounwind uwtable
define dso_local i32 @iotex_ecp_gen_key(i16 noundef zeroext %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca i16, align 2
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  store i16 %0, ptr %5, align 2, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store i64 %2, ptr %7, align 8, !tbaa !11
  %9 = load ptr, ptr %6, align 8, !tbaa !9
  %10 = icmp eq ptr %9, null
  br i1 %10, label %14, label %11

11:                                               ; preds = %3
  %12 = load i64, ptr %7, align 8, !tbaa !11
  %13 = icmp ne i64 %12, 32
  br i1 %13, label %14, label %15

14:                                               ; preds = %11, %3
  store i32 1, ptr %4, align 4
  br label %26

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %16 = call ptr @uECC_secp256r1()
  store ptr %16, ptr %8, align 8, !tbaa !9
  %17 = load i16, ptr %5, align 2, !tbaa !5
  %18 = zext i16 %17 to i32
  %19 = icmp eq i32 %18, 23
  br i1 %19, label %20, label %22

20:                                               ; preds = %15
  %21 = call ptr @uECC_secp256k1()
  store ptr %21, ptr %8, align 8, !tbaa !9
  br label %22

22:                                               ; preds = %20, %15
  %23 = load ptr, ptr %6, align 8, !tbaa !9
  %24 = load ptr, ptr %8, align 8, !tbaa !9
  %25 = call i32 @uECC_make_key(ptr noundef @public, ptr noundef %23, ptr noundef %24)
  store i32 0, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %26

26:                                               ; preds = %22, %14
  %27 = load i32, ptr %4, align 4
  ret i32 %27
}

declare ptr @uECC_secp256r1() #2

declare ptr @uECC_secp256k1() #2

declare i32 @uECC_make_key(ptr noundef, ptr noundef, ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{!"short", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !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"

@public = external hidden global [64 x i8], align 16

; Function Attrs: inlinehint nounwind uwtable
define dso_local range(i32 0, 2) i32 @iotex_ecp_gen_key(i16 noundef zeroext %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = icmp eq ptr %1, null
  %5 = icmp ne i64 %2, 32
  %or.cond = or i1 %4, %5
  br i1 %or.cond, label %13, label %6

6:                                                ; preds = %3
  %7 = tail call ptr @uECC_secp256r1() #2
  %8 = icmp eq i16 %0, 23
  br i1 %8, label %9, label %11

9:                                                ; preds = %6
  %10 = tail call ptr @uECC_secp256k1() #2
  br label %11

11:                                               ; preds = %9, %6
  %.0 = phi ptr [ %10, %9 ], [ %7, %6 ]
  %12 = tail call i32 @uECC_make_key(ptr noundef nonnull @public, ptr noundef nonnull %1, ptr noundef %.0) #2
  br label %13

13:                                               ; preds = %3, %11
  %.06 = phi i32 [ 0, %11 ], [ 1, %3 ]
  ret i32 %.06
}

declare ptr @uECC_secp256r1() local_unnamed_addr #1

declare ptr @uECC_secp256k1() local_unnamed_addr #1

declare i32 @uECC_make_key(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

attributes #0 = { 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 #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)"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass