; LLVM IR from albertobsd/keyhunt :: secp256k1/SECP256K1.ll (ZN9Secp256K14GetYE3Intb)

; 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"

%class.Int = type { %union.anon }
%union.anon = type { [5 x i64] }

declare void @_ZN3IntC1Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9Secp256K14GetYE3Intb(ptr dead_on_unwind noalias writable sret(%class.Int) align 8 %0, ptr noundef nonnull align 8 dereferenceable(983240) %1, ptr noundef byval(%class.Int) align 8 %2, i1 noundef zeroext %3) #2 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca i8, align 1
  %7 = alloca %class.Int, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  %8 = zext i1 %3 to i8
  store i8 %8, ptr %6, align 1, !tbaa !9
  %9 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr %7) #3
  call void @_ZN3IntC1Ev(ptr noundef nonnull align 8 dereferenceable(40) %7)
  call void @_ZN3IntC1Ev(ptr noundef nonnull align 8 dereferenceable(40) %0)
  call void @_ZN3Int11ModSquareK1EPS_(ptr noundef nonnull align 8 dereferenceable(40) %7, ptr noundef %2)
  call void @_ZN3Int8ModMulK1EPS_S0_(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef %7, ptr noundef %2)
  call void @_ZN3Int6ModAddEm(ptr noundef nonnull align 8 dereferenceable(40) %0, i64 noundef 7)
  call void @_ZN3Int7ModSqrtEv(ptr noundef nonnull align 8 dereferenceable(40) %0)
  %10 = call noundef zeroext i1 @_ZN3Int6IsEvenEv(ptr noundef nonnull align 8 dereferenceable(40) %0)
  br i1 %10, label %15, label %11

11:                                               ; preds = %4
  %12 = load i8, ptr %6, align 1, !tbaa !9, !range !11, !noundef !12
  %13 = trunc i8 %12 to i1
  br i1 %13, label %14, label %15

14:                                               ; preds = %11
  call void @_ZN3Int6ModNegEv(ptr noundef nonnull align 8 dereferenceable(40) %0)
  br label %22

15:                                               ; preds = %11, %4
  %16 = call noundef zeroext i1 @_ZN3Int6IsEvenEv(ptr noundef nonnull align 8 dereferenceable(40) %0)
  br i1 %16, label %17, label %21

17:                                               ; preds = %15
  %18 = load i8, ptr %6, align 1, !tbaa !9, !range !11, !noundef !12
  %19 = trunc i8 %18 to i1
  br i1 %19, label %21, label %20

20:                                               ; preds = %17
  call void @_ZN3Int6ModNegEv(ptr noundef nonnull align 8 dereferenceable(40) %0)
  br label %21

21:                                               ; preds = %20, %17, %15
  br label %22

22:                                               ; preds = %21, %14
  call void @llvm.lifetime.end.p0(i64 40, ptr %7) #3
  ret void
}

declare noundef zeroext i1 @_ZN3Int6IsEvenEv(ptr noundef nonnull align 8 dereferenceable(40)) #0

declare void @_ZN3Int8ModMulK1EPS_S0_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef, ptr noundef) #0

declare void @_ZN3Int11ModSquareK1EPS_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef) #0

declare void @_ZN3Int6ModNegEv(ptr noundef nonnull align 8 dereferenceable(40)) #0

declare void @_ZN3Int6ModAddEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #0

declare void @_ZN3Int7ModSqrtEv(ptr noundef nonnull align 8 dereferenceable(40)) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}


; 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"

%class.Int = type { %union.anon }
%union.anon = type { [5 x i64] }

declare void @_ZN3IntC1Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9Secp256K14GetYE3Intb(ptr dead_on_unwind noalias writable sret(%class.Int) align 8 %0, ptr nocapture noundef nonnull readnone align 8 dereferenceable(983240) %1, ptr noundef byval(%class.Int) align 8 %2, i1 noundef zeroext %3) local_unnamed_addr #2 align 2 {
  %5 = alloca %class.Int, align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %5) #3
  call void @_ZN3IntC1Ev(ptr noundef nonnull align 8 dereferenceable(40) %5)
  call void @_ZN3IntC1Ev(ptr noundef nonnull align 8 dereferenceable(40) %0)
  call void @_ZN3Int11ModSquareK1EPS_(ptr noundef nonnull align 8 dereferenceable(40) %5, ptr noundef nonnull %2)
  call void @_ZN3Int8ModMulK1EPS_S0_(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull %5, ptr noundef nonnull %2)
  call void @_ZN3Int6ModAddEm(ptr noundef nonnull align 8 dereferenceable(40) %0, i64 noundef 7)
  call void @_ZN3Int7ModSqrtEv(ptr noundef nonnull align 8 dereferenceable(40) %0)
  %6 = call noundef zeroext i1 @_ZN3Int6IsEvenEv(ptr noundef nonnull align 8 dereferenceable(40) %0)
  %.not = xor i1 %3, true
  %brmerge = or i1 %6, %.not
  br i1 %brmerge, label %7, label %.sink.split

7:                                                ; preds = %4
  %8 = call noundef zeroext i1 @_ZN3Int6IsEvenEv(ptr noundef nonnull align 8 dereferenceable(40) %0)
  %.not2 = xor i1 %8, true
  %brmerge3 = or i1 %.not2, %3
  br i1 %brmerge3, label %9, label %.sink.split

.sink.split:                                      ; preds = %7, %4
  call void @_ZN3Int6ModNegEv(ptr noundef nonnull align 8 dereferenceable(40) %0)
  br label %9

9:                                                ; preds = %.sink.split, %7
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #3
  ret void
}

declare noundef zeroext i1 @_ZN3Int6IsEvenEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0

declare void @_ZN3Int8ModMulK1EPS_S0_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef, ptr noundef) local_unnamed_addr #0

declare void @_ZN3Int11ModSquareK1EPS_(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef) local_unnamed_addr #0

declare void @_ZN3Int6ModNegEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0

declare void @_ZN3Int6ModAddEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #0

declare void @_ZN3Int7ModSqrtEv(ptr noundef nonnull align 8 dereferenceable(40)) 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass