; LLVM IR from cryspen/libcrux :: sys/hacl/c/src (Hacl_K256_ECDSA)

; 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: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
define dso_local void @Hacl_K256_ECDSA_public_key_compressed_from_raw(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i8, align 1
  %8 = alloca i8, align 1
  %9 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %10, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %11, i64 32
  store ptr %12, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #3
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = getelementptr inbounds i8, ptr %13, i64 31
  %15 = load i8, ptr %14, align 1, !tbaa !9
  store i8 %15, ptr %7, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #3
  %16 = load i8, ptr %7, align 1, !tbaa !9
  %17 = zext i8 %16 to i32
  %18 = and i32 %17, 1
  %19 = icmp eq i32 %18, 1
  %20 = zext i1 %19 to i8
  store i8 %20, ptr %8, align 1, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  %21 = load i8, ptr %8, align 1, !tbaa !10, !range !12, !noundef !13
  %22 = trunc i8 %21 to i1
  br i1 %22, label %23, label %24

23:                                               ; preds = %2
  store i8 3, ptr %9, align 1, !tbaa !9
  br label %25

24:                                               ; preds = %2
  store i8 2, ptr %9, align 1, !tbaa !9
  br label %25

25:                                               ; preds = %24, %23
  %26 = load i8, ptr %9, align 1, !tbaa !9
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds i8, ptr %27, i64 0
  store i8 %26, ptr %28, align 1, !tbaa !9
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = getelementptr inbounds i8, ptr %29, i64 1
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %30, ptr align 1 %31, i64 32, i1 false)
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"_Bool", !7, i64 0}
!12 = !{i8 0, i8 2}
!13 = !{}


; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @Hacl_K256_ECDSA_public_key_compressed_from_raw(ptr nocapture noundef writeonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %1, i64 63
  %4 = load i8, ptr %3, align 1, !tbaa !5
  %5 = and i8 %4, 1
  %. = or disjoint i8 %5, 2
  store i8 %., ptr %0, align 1, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 1
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 1 dereferenceable(32) %6, ptr noundef nonnull align 1 dereferenceable(32) %1, i64 32, i1 false)
  ret void
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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" }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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