; LLVM IR from cryspen/libcrux :: sys/hacl/c/src (Hacl_Hash_Blake2b)

; 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_Blake2b_update_multi(i32 noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3, i64 noundef %4, ptr noundef %5, i32 noundef %6) #1 {
  %8 = alloca i128, align 16
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i128, align 16
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i128, align 16
  %17 = alloca i128, align 16
  %18 = alloca i128, align 16
  %19 = alloca i128, align 16
  %20 = alloca i128, align 16
  %21 = alloca ptr, align 8
  %22 = alloca i128, align 16
  %23 = getelementptr inbounds { i64, i64 }, ptr %8, i32 0, i32 0
  store i64 %3, ptr %23, align 16
  %24 = getelementptr inbounds { i64, i64 }, ptr %8, i32 0, i32 1
  store i64 %4, ptr %24, align 8
  %25 = load i128, ptr %8, align 16, !tbaa !5
  store i32 %0, ptr %9, align 4, !tbaa !9
  store ptr %1, ptr %10, align 8, !tbaa !11
  store ptr %2, ptr %11, align 8, !tbaa !11
  store i128 %25, ptr %12, align 16, !tbaa !5
  store ptr %5, ptr %13, align 8, !tbaa !11
  store i32 %6, ptr %14, align 4, !tbaa !9
  %26 = load i32, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  store i32 0, ptr %15, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %71, %7
  %28 = load i32, ptr %15, align 4, !tbaa !9
  %29 = load i32, ptr %14, align 4, !tbaa !9
  %30 = icmp ult i32 %28, %29
  br i1 %30, label %32, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  br label %74

32:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #3
  %33 = load i128, ptr %12, align 16, !tbaa !5
  %34 = load i32, ptr %15, align 4, !tbaa !9
  %35 = add i32 %34, 1
  %36 = mul i32 %35, 128
  %37 = zext i32 %36 to i64
  %38 = call { i64, i64 } @FStar_UInt128_uint64_to_uint128(i64 noundef %37)
  %39 = getelementptr inbounds { i64, i64 }, ptr %17, i32 0, i32 0
  %40 = extractvalue { i64, i64 } %38, 0
  store i64 %40, ptr %39, align 16
  %41 = getelementptr inbounds { i64, i64 }, ptr %17, i32 0, i32 1
  %42 = extractvalue { i64, i64 } %38, 1
  store i64 %42, ptr %41, align 8
  %43 = load i128, ptr %17, align 16, !tbaa !5
  store i128 %33, ptr %18, align 16, !tbaa !5
  %44 = getelementptr inbounds { i64, i64 }, ptr %18, i32 0, i32 0
  %45 = load i64, ptr %44, align 16
  %46 = getelementptr inbounds { i64, i64 }, ptr %18, i32 0, i32 1
  %47 = load i64, ptr %46, align 8
  store i128 %43, ptr %19, align 16, !tbaa !5
  %48 = getelementptr inbounds { i64, i64 }, ptr %19, i32 0, i32 0
  %49 = load i64, ptr %48, align 16
  %50 = getelementptr inbounds { i64, i64 }, ptr %19, i32 0, i32 1
  %51 = load i64, ptr %50, align 8
  %52 = call { i64, i64 } @FStar_UInt128_add_mod(i64 noundef %45, i64 noundef %47, i64 noundef %49, i64 noundef %51)
  %53 = getelementptr inbounds { i64, i64 }, ptr %20, i32 0, i32 0
  %54 = extractvalue { i64, i64 } %52, 0
  store i64 %54, ptr %53, align 16
  %55 = getelementptr inbounds { i64, i64 }, ptr %20, i32 0, i32 1
  %56 = extractvalue { i64, i64 } %52, 1
  store i64 %56, ptr %55, align 8
  %57 = load i128, ptr %20, align 16, !tbaa !5
  store i128 %57, ptr %16, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #3
  %58 = load ptr, ptr %13, align 8, !tbaa !11
  %59 = load i32, ptr %15, align 4, !tbaa !9
  %60 = mul i32 %59, 128
  %61 = zext i32 %60 to i64
  %62 = getelementptr inbounds i8, ptr %58, i64 %61
  store ptr %62, ptr %21, align 8, !tbaa !11
  %63 = load ptr, ptr %10, align 8, !tbaa !11
  %64 = load ptr, ptr %11, align 8, !tbaa !11
  %65 = load i128, ptr %16, align 16, !tbaa !5
  %66 = load ptr, ptr %21, align 8, !tbaa !11
  store i128 %65, ptr %22, align 16, !tbaa !5
  %67 = getelementptr inbounds { i64, i64 }, ptr %22, i32 0, i32 0
  %68 = load i64, ptr %67, align 16
  %69 = getelementptr inbounds { i64, i64 }, ptr %22, i32 0, i32 1
  %70 = load i64, ptr %69, align 8
  call void @update_block(ptr noundef %63, ptr noundef %64, i1 noundef zeroext false, i64 noundef %68, i64 noundef %70, ptr noundef %66)
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #3
  br label %71

71:                                               ; preds = %32
  %72 = load i32, ptr %15, align 4, !tbaa !9
  %73 = add i32 %72, 1
  store i32 %73, ptr %15, align 4, !tbaa !9
  br label %27, !llvm.loop !13

74:                                               ; preds = %31
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden { i64, i64 } @FStar_UInt128_add_mod(i64 noundef, i64 noundef, i64 noundef, i64 noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden { i64, i64 } @FStar_UInt128_uint64_to_uint128(i64 noundef) #2

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

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 = !{!"__int128", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !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_Blake2b_update_multi(i32 noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3, i64 noundef %4, ptr noundef %5, i32 noundef %6) local_unnamed_addr #0 {
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %7
  %wide.trip.count = zext i32 %6 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %7
  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
  %8 = shl i64 %indvars.iv.next, 7
  %9 = and i64 %8, 4294967168
  %10 = tail call { i64, i64 } @FStar_UInt128_uint64_to_uint128(i64 noundef %9)
  %11 = extractvalue { i64, i64 } %10, 0
  %12 = extractvalue { i64, i64 } %10, 1
  %13 = tail call { i64, i64 } @FStar_UInt128_add_mod(i64 noundef %3, i64 noundef %4, i64 noundef %11, i64 noundef %12)
  %14 = extractvalue { i64, i64 } %13, 0
  %15 = extractvalue { i64, i64 } %13, 1
  %16 = shl i64 %indvars.iv, 7
  %17 = and i64 %16, 4294967168
  %18 = getelementptr inbounds i8, ptr %5, i64 %17
  tail call void @update_block(ptr noundef %1, ptr noundef %2, i1 noundef zeroext false, i64 noundef %14, i64 noundef %15, ptr noundef %18)
  %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 { i64, i64 } @FStar_UInt128_add_mod(i64 noundef, i64 noundef, i64 noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden { i64, i64 } @FStar_UInt128_uint64_to_uint128(i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @update_block(ptr noundef, ptr noundef, i1 noundef zeroext, i64 noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

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,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass