; 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: nounwind uwtable
define dso_local void @Hacl_Hash_Blake2s_update_multi(i32 noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3, ptr noundef %4, i32 noundef %5) #1 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i64, align 8
  %15 = alloca ptr, 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 ptr %4, ptr %11, align 8, !tbaa !9
  store i32 %5, ptr %12, align 4, !tbaa !5
  %16 = load i32, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %38, %6
  %18 = load i32, ptr %13, align 4, !tbaa !5
  %19 = load i32, ptr %12, align 4, !tbaa !5
  %20 = icmp ult i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  br label %41

22:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #3
  %23 = load i64, ptr %10, align 8, !tbaa !11
  %24 = load i32, ptr %13, align 4, !tbaa !5
  %25 = add i32 %24, 1
  %26 = mul i32 %25, 64
  %27 = zext i32 %26 to i64
  %28 = add i64 %23, %27
  store i64 %28, ptr %14, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #3
  %29 = load ptr, ptr %11, align 8, !tbaa !9
  %30 = load i32, ptr %13, align 4, !tbaa !5
  %31 = mul i32 %30, 64
  %32 = zext i32 %31 to i64
  %33 = getelementptr inbounds i8, ptr %29, i64 %32
  store ptr %33, ptr %15, align 8, !tbaa !9
  %34 = load ptr, ptr %8, align 8, !tbaa !9
  %35 = load ptr, ptr %9, align 8, !tbaa !9
  %36 = load i64, ptr %14, align 8, !tbaa !11
  %37 = load ptr, ptr %15, align 8, !tbaa !9
  call void @update_block(ptr noundef %34, ptr noundef %35, i1 noundef zeroext false, i64 noundef %36, ptr noundef %37)
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #3
  br label %38

38:                                               ; preds = %22
  %39 = load i32, ptr %13, align 4, !tbaa !5
  %40 = add i32 %39, 1
  store i32 %40, ptr %13, align 4, !tbaa !5
  br label %17, !llvm.loop !13

41:                                               ; preds = %21
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @update_block(ptr noundef, ptr noundef, i1 noundef zeroext, i64 noundef, ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 #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 = !{!"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}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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 void @Hacl_Hash_Blake2s_update_multi(i32 noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3, ptr noundef %4, i32 noundef %5) local_unnamed_addr #0 {
  %.not = icmp eq i32 %5, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %6
  %wide.trip.count = zext i32 %5 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %6
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %7 = shl i64 %indvars.iv.next, 6
  %8 = and i64 %7, 4294967232
  %9 = add i64 %8, %3
  %10 = shl i64 %indvars.iv, 6
  %11 = and i64 %10, 4294967232
  %12 = getelementptr inbounds i8, ptr %4, i64 %11
  tail call void @update_block(ptr noundef %1, ptr noundef %2, i1 noundef zeroext false, i64 noundef %9, ptr noundef %12)
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5
}

; 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

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 = { 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" }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass