; LLVM IR from CROSS-signature/CROSS-implementation :: Reference_Implementation/lib (fips202)

; 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.sha3_256incctx = type { [26 x i64] }

; Function Attrs: nounwind uwtable
declare hidden void @keccak_inc_finalize(ptr noundef, i32 noundef, i8 noundef zeroext) #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
declare hidden void @keccak_squeezeblocks(ptr noundef, i64 noundef, ptr noundef, i32 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @sha3_256_inc_finalize(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca [136 x i8], align 16
  %6 = alloca i64, align 8
  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 136, ptr %5) #2
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.sha3_256incctx, ptr %7, i32 0, i32 0
  %9 = getelementptr inbounds [26 x i64], ptr %8, i64 0, i64 0
  call void @keccak_inc_finalize(ptr noundef %9, i32 noundef 136, i8 noundef zeroext 6)
  %10 = getelementptr inbounds [136 x i8], ptr %5, i64 0, i64 0
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.sha3_256incctx, ptr %11, i32 0, i32 0
  %13 = getelementptr inbounds [26 x i64], ptr %12, i64 0, i64 0
  call void @keccak_squeezeblocks(ptr noundef %10, i64 noundef 1, ptr noundef %13, i32 noundef 136)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %25, %2
  %15 = load i64, ptr %6, align 8, !tbaa !9
  %16 = icmp ult i64 %15, 32
  br i1 %16, label %18, label %17

17:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  br label %28

18:                                               ; preds = %14
  %19 = load i64, ptr %6, align 8, !tbaa !9
  %20 = getelementptr inbounds [136 x i8], ptr %5, i64 0, i64 %19
  %21 = load i8, ptr %20, align 1, !tbaa !11
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = load i64, ptr %6, align 8, !tbaa !9
  %24 = getelementptr inbounds i8, ptr %22, i64 %23
  store i8 %21, ptr %24, align 1, !tbaa !11
  br label %25

25:                                               ; preds = %18
  %26 = load i64, ptr %6, align 8, !tbaa !9
  %27 = add i64 %26, 1
  store i64 %27, ptr %6, align 8, !tbaa !9
  br label %14, !llvm.loop !12

28:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 136, ptr %5) #2
  ret void
}

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 = { 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 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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 hidden void @keccak_inc_finalize(ptr noundef, i32 noundef, i8 noundef zeroext) local_unnamed_addr #0

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

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

; Function Attrs: nounwind uwtable
declare hidden void @keccak_squeezeblocks(ptr noundef, i64 noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @sha3_256_inc_finalize(ptr nocapture noundef writeonly %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = alloca [136 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 136, ptr nonnull %3) #3
  tail call void @keccak_inc_finalize(ptr noundef %1, i32 noundef 136, i8 noundef zeroext 6)
  call void @keccak_squeezeblocks(ptr noundef nonnull %3, i64 noundef 1, ptr noundef %1, i32 noundef 136)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 1 dereferenceable(32) %0, ptr noundef nonnull align 16 dereferenceable(32) %3, i64 32, i1 false), !tbaa !5
  call void @llvm.lifetime.end.p0(i64 136, ptr nonnull %3) #3
  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

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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