; LLVM IR from rweather/lightweight-crypto :: src/combined (internal-drysponge)

; 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.drysponge128_rate_t = type { [2 x i64] }
%struct.drysponge128_state_t = type { %union.gascon128_state_t, i32, i32, %union.drysponge128_rate_t, %union.drysponge128_x_t }
%union.gascon128_state_t = type { [5 x i64] }
%union.drysponge128_x_t = type { [2 x i64] }

; 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
declare dso_local void @drygascon128_f_impl(ptr noundef, ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @drygascon128_f_wrap(ptr noundef %0, ptr noundef %1, i32 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %union.drysponge128_rate_t, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = icmp ult i32 %9, 16
  br i1 %10, label %11, label %29

11:                                               ; preds = %3
  %12 = getelementptr inbounds [16 x i8], ptr %7, i64 0, i64 0
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %15 = zext i32 %14 to i64
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %12, ptr align 1 %13, i64 %15, i1 false)
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = zext i32 %16 to i64
  %18 = getelementptr inbounds [16 x i8], ptr %7, i64 0, i64 %17
  store i8 1, ptr %18, align 1, !tbaa !11
  %19 = getelementptr inbounds [16 x i8], ptr %7, i64 0, i64 0
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = zext i32 %20 to i64
  %22 = getelementptr inbounds i8, ptr %19, i64 %21
  %23 = getelementptr inbounds i8, ptr %22, i64 1
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = sub i32 16, %24
  %26 = sub i32 %25, 1
  %27 = zext i32 %26 to i64
  call void @llvm.memset.p0.i64(ptr align 1 %23, i8 0, i64 %27, i1 false)
  %28 = getelementptr inbounds [16 x i8], ptr %7, i64 0, i64 0
  store ptr %28, ptr %8, align 8, !tbaa !5
  br label %31

29:                                               ; preds = %3
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %30, ptr %8, align 8, !tbaa !5
  br label %31

31:                                               ; preds = %29, %11
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.drysponge128_state_t, ptr %34, i32 0, i32 1
  %36 = load i32, ptr %35, align 8, !tbaa !12
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.drysponge128_state_t, ptr %37, i32 0, i32 2
  %39 = load i32, ptr %38, align 4, !tbaa !14
  call void @drygascon128_f_impl(ptr noundef %32, ptr noundef %33, i32 noundef %36, i32 noundef %39)
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.drysponge128_state_t, ptr %40, i32 0, i32 1
  store i32 0, ptr %41, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #4
  ret void
}

; 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) #2

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

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { 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 = !{!7, !7, i64 0}
!12 = !{!13, !10, i64 40}
!13 = !{!"", !7, i64 0, !10, i64 40, !10, i64 44, !7, i64 48, !7, i64 64}
!14 = !{!13, !10, i64 44}


; 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.drysponge128_rate_t = type { [2 x i64] }

; 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: nounwind uwtable
declare dso_local void @drygascon128_f_impl(ptr noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @drygascon128_f_wrap(ptr noundef %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #1 {
  %4 = alloca %union.drysponge128_rate_t, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #4
  %5 = icmp ult i32 %2, 16
  br i1 %5, label %6, label %12

6:                                                ; preds = %3
  %7 = zext nneg i32 %2 to i64
  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %4, ptr align 1 %1, i64 %7, i1 false)
  %8 = getelementptr inbounds [16 x i8], ptr %4, i64 0, i64 %7
  store i8 1, ptr %8, align 1, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %8, i64 1
  %10 = sub nuw nsw i32 15, %2
  %11 = zext nneg i32 %10 to i64
  call void @llvm.memset.p0.i64(ptr nonnull align 1 %9, i8 0, i64 %11, i1 false)
  br label %12

12:                                               ; preds = %3, %6
  %.0 = phi ptr [ %4, %6 ], [ %1, %3 ]
  %13 = getelementptr inbounds i8, ptr %0, i64 40
  %14 = load i32, ptr %13, align 8, !tbaa !8
  %15 = getelementptr inbounds i8, ptr %0, i64 44
  %16 = load i32, ptr %15, align 4, !tbaa !11
  call void @drygascon128_f_impl(ptr noundef %0, ptr noundef %.0, i32 noundef %14, i32 noundef %16)
  store i32 0, ptr %13, align 8, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #4
  ret void
}

; 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) #2

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

attributes #0 = { mustprogress 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !10, i64 40}
!9 = !{!"", !6, i64 0, !10, i64 40, !10, i64 44, !6, i64 48, !6, i64 64}
!10 = !{!"int", !6, i64 0}
!11 = !{!9, !10, i64 44}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass