; LLVM IR from gost-engine/engine :: gost_grasshopper_core (grasshopper_decrypt_block)

; 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"

%union.grasshopper_w128_t = type { [2 x i64] }
%struct.grasshopper_round_keys_t = type { [10 x %union.grasshopper_w128_t] }

@grasshopper_l_dec128 = external constant [16 x [256 x %union.grasshopper_w128_t]], align 16
@grasshopper_pil_dec128 = external constant [16 x [256 x %union.grasshopper_w128_t]], align 16
@grasshopper_pi_inv = external constant [256 x i8], align 16

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @grasshopper_copy128(ptr noundef, ptr noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @grasshopper_convert128(ptr noundef, ptr noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @grasshopper_append128(ptr noundef, ptr noundef) #1

; 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 @grasshopper_append128multi(ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @grasshopper_decrypt_block(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %10 = load ptr, ptr %7, align 8, !tbaa !5
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  call void @grasshopper_copy128(ptr noundef %10, ptr noundef %11)
  %12 = load ptr, ptr %8, align 8, !tbaa !5
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  call void @grasshopper_append128multi(ptr noundef %12, ptr noundef %13, ptr noundef @grasshopper_l_dec128)
  store i32 9, ptr %9, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %26, %4
  %15 = load i32, ptr %9, align 4, !tbaa !9
  %16 = icmp sgt i32 %15, 1
  br i1 %16, label %17, label %29

17:                                               ; preds = %14
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.grasshopper_round_keys_t, ptr %19, i32 0, i32 0
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [10 x %union.grasshopper_w128_t], ptr %20, i64 0, i64 %22
  call void @grasshopper_append128(ptr noundef %18, ptr noundef %23)
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  call void @grasshopper_append128multi(ptr noundef %24, ptr noundef %25, ptr noundef @grasshopper_pil_dec128)
  br label %26

26:                                               ; preds = %17
  %27 = load i32, ptr %9, align 4, !tbaa !9
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %9, align 4, !tbaa !9
  br label %14, !llvm.loop !11

29:                                               ; preds = %14
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.grasshopper_round_keys_t, ptr %31, i32 0, i32 0
  %33 = getelementptr inbounds [10 x %union.grasshopper_w128_t], ptr %32, i64 0, i64 1
  call void @grasshopper_append128(ptr noundef %30, ptr noundef %33)
  %34 = load ptr, ptr %7, align 8, !tbaa !5
  call void @grasshopper_convert128(ptr noundef %34, ptr noundef @grasshopper_pi_inv)
  %35 = load ptr, ptr %7, align 8, !tbaa !5
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.grasshopper_round_keys_t, ptr %36, i32 0, i32 0
  %38 = getelementptr inbounds [10 x %union.grasshopper_w128_t], ptr %37, i64 0, i64 0
  call void @grasshopper_append128(ptr noundef %35, ptr noundef %38)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  ret void
}

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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

%union.grasshopper_w128_t = type { [2 x i64] }

@grasshopper_l_dec128 = external constant [16 x [256 x %union.grasshopper_w128_t]], align 16
@grasshopper_pil_dec128 = external constant [16 x [256 x %union.grasshopper_w128_t]], align 16
@grasshopper_pi_inv = external constant [256 x i8], align 16

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @grasshopper_copy128(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @grasshopper_convert128(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @grasshopper_append128(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @grasshopper_append128multi(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @grasshopper_decrypt_block(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #1 {
  tail call void @grasshopper_copy128(ptr noundef %2, ptr noundef %1)
  tail call void @grasshopper_append128multi(ptr noundef %3, ptr noundef %2, ptr noundef nonnull @grasshopper_l_dec128)
  %5 = getelementptr inbounds i8, ptr %0, i64 144
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef nonnull %5)
  tail call void @grasshopper_append128multi(ptr noundef %3, ptr noundef %2, ptr noundef nonnull @grasshopper_pil_dec128)
  %6 = getelementptr inbounds i8, ptr %0, i64 128
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef nonnull %6)
  tail call void @grasshopper_append128multi(ptr noundef %3, ptr noundef %2, ptr noundef nonnull @grasshopper_pil_dec128)
  %7 = getelementptr inbounds i8, ptr %0, i64 112
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef nonnull %7)
  tail call void @grasshopper_append128multi(ptr noundef %3, ptr noundef %2, ptr noundef nonnull @grasshopper_pil_dec128)
  %8 = getelementptr inbounds i8, ptr %0, i64 96
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef nonnull %8)
  tail call void @grasshopper_append128multi(ptr noundef %3, ptr noundef %2, ptr noundef nonnull @grasshopper_pil_dec128)
  %9 = getelementptr inbounds i8, ptr %0, i64 80
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef nonnull %9)
  tail call void @grasshopper_append128multi(ptr noundef %3, ptr noundef %2, ptr noundef nonnull @grasshopper_pil_dec128)
  %10 = getelementptr inbounds i8, ptr %0, i64 64
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef nonnull %10)
  tail call void @grasshopper_append128multi(ptr noundef %3, ptr noundef %2, ptr noundef nonnull @grasshopper_pil_dec128)
  %11 = getelementptr inbounds i8, ptr %0, i64 48
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef nonnull %11)
  tail call void @grasshopper_append128multi(ptr noundef %3, ptr noundef %2, ptr noundef nonnull @grasshopper_pil_dec128)
  %12 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef nonnull %12)
  tail call void @grasshopper_append128multi(ptr noundef %3, ptr noundef %2, ptr noundef nonnull @grasshopper_pil_dec128)
  %13 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef nonnull %13)
  tail call void @grasshopper_convert128(ptr noundef %2, ptr noundef nonnull @grasshopper_pi_inv)
  tail call void @grasshopper_append128(ptr noundef %2, ptr noundef %0)
  ret void
}

attributes #0 = { 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 #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" }

!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,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass