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

; 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"

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

; Function Attrs: nounwind uwtable
declare dso_local void @grasshopper_set_encrypt_key(ptr noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local void @grasshopper_set_decrypt_key(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  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 4, ptr %5) #3
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  call void @grasshopper_set_encrypt_key(ptr noundef %6, ptr noundef %7)
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %17, %2
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = icmp slt i32 %9, 10
  br i1 %10, label %11, label %20

11:                                               ; preds = %8
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.grasshopper_round_keys_t, ptr %12, i32 0, i32 0
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [10 x %union.grasshopper_w128_t], ptr %13, i64 0, i64 %15
  call void @grasshopper_l_inv(ptr noundef %16)
  br label %17

17:                                               ; preds = %11
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = add nsw i32 %18, 1
  store i32 %19, ptr %5, align 4, !tbaa !9
  br label %8, !llvm.loop !11

20:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @grasshopper_l_inv(ptr noundef) #2

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"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"

; Function Attrs: nounwind uwtable
declare dso_local void @grasshopper_set_encrypt_key(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @grasshopper_set_decrypt_key(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  tail call void @grasshopper_set_encrypt_key(ptr noundef %0, ptr noundef %1)
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @grasshopper_l_inv(ptr noundef nonnull %3)
  %4 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @grasshopper_l_inv(ptr noundef nonnull %4)
  %5 = getelementptr inbounds i8, ptr %0, i64 48
  tail call void @grasshopper_l_inv(ptr noundef nonnull %5)
  %6 = getelementptr inbounds i8, ptr %0, i64 64
  tail call void @grasshopper_l_inv(ptr noundef nonnull %6)
  %7 = getelementptr inbounds i8, ptr %0, i64 80
  tail call void @grasshopper_l_inv(ptr noundef nonnull %7)
  %8 = getelementptr inbounds i8, ptr %0, i64 96
  tail call void @grasshopper_l_inv(ptr noundef nonnull %8)
  %9 = getelementptr inbounds i8, ptr %0, i64 112
  tail call void @grasshopper_l_inv(ptr noundef nonnull %9)
  %10 = getelementptr inbounds i8, ptr %0, i64 128
  tail call void @grasshopper_l_inv(ptr noundef nonnull %10)
  %11 = getelementptr inbounds i8, ptr %0, i64 144
  tail call void @grasshopper_l_inv(ptr noundef nonnull %11)
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @grasshopper_l_inv(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)"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass