; LLVM IR from cryspen/libcrux :: sys/pqclean/c (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"

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

; Function Attrs: nounwind uwtable
declare hidden void @keccak_squeezeblocks(ptr noundef, i64 noundef, ptr noundef, i32 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 @sha3_256(ptr noundef %0, ptr noundef %1, i64 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca [25 x i64], align 16
  %8 = alloca [136 x i8], align 16
  %9 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 200, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 136, ptr %8) #2
  %10 = getelementptr inbounds [25 x i64], ptr %7, i64 0, i64 0
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = load i64, ptr %6, align 8, !tbaa !9
  call void @keccak_absorb(ptr noundef %10, i32 noundef 136, ptr noundef %11, i64 noundef %12, i8 noundef zeroext 6)
  %13 = getelementptr inbounds [136 x i8], ptr %8, i64 0, i64 0
  %14 = getelementptr inbounds [25 x i64], ptr %7, i64 0, i64 0
  call void @keccak_squeezeblocks(ptr noundef %13, i64 noundef 1, ptr noundef %14, i32 noundef 136)
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  store i64 0, ptr %9, align 8, !tbaa !9
  br label %15

15:                                               ; preds = %26, %3
  %16 = load i64, ptr %9, align 8, !tbaa !9
  %17 = icmp ult i64 %16, 32
  br i1 %17, label %19, label %18

18:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  br label %29

19:                                               ; preds = %15
  %20 = load i64, ptr %9, align 8, !tbaa !9
  %21 = getelementptr inbounds [136 x i8], ptr %8, i64 0, i64 %20
  %22 = load i8, ptr %21, align 1, !tbaa !11
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = load i64, ptr %9, align 8, !tbaa !9
  %25 = getelementptr inbounds i8, ptr %23, i64 %24
  store i8 %22, ptr %25, align 1, !tbaa !11
  br label %26

26:                                               ; preds = %19
  %27 = load i64, ptr %9, align 8, !tbaa !9
  %28 = add i64 %27, 1
  store i64 %28, ptr %9, align 8, !tbaa !9
  br label %15, !llvm.loop !12

29:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 136, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 200, ptr %7) #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_absorb(ptr noundef, i32 noundef, ptr noundef, i64 noundef, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @keccak_squeezeblocks(ptr noundef, i64 noundef, ptr noundef, i32 noundef) 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
define dso_local void @sha3_256(ptr nocapture noundef writeonly %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = alloca [25 x i64], align 16
  %5 = alloca [136 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 200, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 136, ptr nonnull %5) #3
  call void @keccak_absorb(ptr noundef nonnull %4, i32 noundef 136, ptr noundef %1, i64 noundef %2, i8 noundef zeroext 6)
  call void @keccak_squeezeblocks(ptr noundef nonnull %5, i64 noundef 1, ptr noundef nonnull %4, 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) %5, i64 32, i1 false), !tbaa !5
  call void @llvm.lifetime.end.p0(i64 136, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 200, ptr nonnull %4) #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