; LLVM IR from cryspen/libcrux :: sys/hacl/c/src (Hacl_Hash_Blake2s)

; 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: inlinehint nounwind uwtable
declare hidden void @update_block(ptr noundef, ptr noundef, i1 noundef zeroext, i64 noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @Hacl_Hash_Blake2s_update_last(i32 noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3, i32 noundef %4, ptr noundef %5) #2 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  %13 = alloca [64 x i8], align 16
  %14 = alloca ptr, align 8
  %15 = alloca i64, align 8
  store i32 %0, ptr %7, align 4, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !9
  store ptr %2, ptr %9, align 8, !tbaa !9
  store i64 %3, ptr %10, align 8, !tbaa !11
  store i32 %4, ptr %11, align 4, !tbaa !5
  store ptr %5, ptr %12, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 64, ptr %13) #6
  call void @llvm.memset.p0.i64(ptr align 16 %13, i8 0, i64 64, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %16 = load ptr, ptr %12, align 8, !tbaa !9
  %17 = load i32, ptr %7, align 4, !tbaa !5
  %18 = zext i32 %17 to i64
  %19 = getelementptr inbounds i8, ptr %16, i64 %18
  %20 = load i32, ptr %11, align 4, !tbaa !5
  %21 = zext i32 %20 to i64
  %22 = sub i64 0, %21
  %23 = getelementptr inbounds i8, ptr %19, i64 %22
  store ptr %23, ptr %14, align 8, !tbaa !9
  %24 = getelementptr inbounds [64 x i8], ptr %13, i64 0, i64 0
  %25 = load ptr, ptr %14, align 8, !tbaa !9
  %26 = load i32, ptr %11, align 4, !tbaa !5
  %27 = zext i32 %26 to i64
  %28 = mul i64 %27, 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %24, ptr align 1 %25, i64 %28, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %29 = load i64, ptr %10, align 8, !tbaa !11
  %30 = load i32, ptr %7, align 4, !tbaa !5
  %31 = zext i32 %30 to i64
  %32 = add i64 %29, %31
  store i64 %32, ptr %15, align 8, !tbaa !11
  %33 = load ptr, ptr %8, align 8, !tbaa !9
  %34 = load ptr, ptr %9, align 8, !tbaa !9
  %35 = load i64, ptr %15, align 8, !tbaa !11
  %36 = getelementptr inbounds [64 x i8], ptr %13, i64 0, i64 0
  call void @update_block(ptr noundef %33, ptr noundef %34, i1 noundef zeroext true, i64 noundef %35, ptr noundef %36)
  %37 = getelementptr inbounds [64 x i8], ptr %13, i64 0, i64 0
  call void @Lib_Memzero0_memzero0(ptr noundef %37, i64 noundef 64)
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr %13) #6
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; 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) #4

declare void @Lib_Memzero0_memzero0(ptr noundef, i64 noundef) #5

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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { "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 #6 = { 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 = !{!"int", !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"

; 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: inlinehint nounwind uwtable
declare hidden void @update_block(ptr noundef, ptr noundef, i1 noundef zeroext, i64 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @Hacl_Hash_Blake2s_update_last(i32 noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3, i32 noundef %4, ptr nocapture noundef readonly %5) local_unnamed_addr #2 {
  %7 = alloca [64 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %7) #6
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %7, i8 0, i64 64, i1 false)
  %8 = zext i32 %0 to i64
  %9 = getelementptr inbounds i8, ptr %5, i64 %8
  %10 = zext i32 %4 to i64
  %11 = sub nsw i64 0, %10
  %12 = getelementptr inbounds i8, ptr %9, i64 %11
  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 16 %7, ptr align 1 %12, i64 %10, i1 false)
  %13 = add i64 %8, %3
  call void @update_block(ptr noundef %1, ptr noundef %2, i1 noundef zeroext true, i64 noundef %13, ptr noundef nonnull %7)
  call void @Lib_Memzero0_memzero0(ptr noundef nonnull %7, i64 noundef 64) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %7) #6
  ret void
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; 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) #4

declare void @Lib_Memzero0_memzero0(ptr noundef, i64 noundef) local_unnamed_addr #5

attributes #0 = { mustprogress 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 = { 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { "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 #6 = { 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,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass