; LLVM IR from guanzhi/GmSSL :: src (sm3_xmss)

; 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.SM3_CTX = type { [8 x i32], i64, [64 x i8], i64 }

; Function Attrs: nounwind uwtable
define dso_local void @sm3_wots_derive_sk(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %struct.SM3_CTX, align 8
  %10 = alloca %struct.SM3_CTX, align 8
  %11 = alloca [32 x i8], align 16
  %12 = 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 112, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 112, ptr %10) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  call void @hash256_prf_keygen_init(ptr noundef %9, ptr noundef %13)
  %14 = getelementptr inbounds [32 x i8], ptr %11, i64 0, i64 0
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %14, ptr align 1 %15, i64 32, i1 false)
  %16 = getelementptr inbounds [32 x i8], ptr %11, i64 0, i64 0
  call void @adrs_set_hash_address(ptr noundef %16, i32 noundef 0)
  %17 = getelementptr inbounds [32 x i8], ptr %11, i64 0, i64 0
  call void @adrs_set_key_and_mask(ptr noundef %17, i8 noundef zeroext 0)
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %31, %4
  %19 = load i32, ptr %12, align 4, !tbaa !9
  %20 = icmp slt i32 %19, 67
  br i1 %20, label %21, label %34

21:                                               ; preds = %18
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %10, ptr align 8 %9, i64 112, i1 false), !tbaa.struct !11
  %22 = getelementptr inbounds [32 x i8], ptr %11, i64 0, i64 0
  %23 = load i32, ptr %12, align 4, !tbaa !9
  call void @adrs_set_chain_address(ptr noundef %22, i32 noundef %23)
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  call void @sm3_update(ptr noundef %10, ptr noundef %24, i64 noundef 32)
  %25 = getelementptr inbounds [32 x i8], ptr %11, i64 0, i64 0
  call void @sm3_update(ptr noundef %10, ptr noundef %25, i64 noundef 32)
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = load i32, ptr %12, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [32 x i8], ptr %26, i64 %28
  %30 = getelementptr inbounds [32 x i8], ptr %29, i64 0, i64 0
  call void @sm3_finish(ptr noundef %10, ptr noundef %30)
  br label %31

31:                                               ; preds = %21
  %32 = load i32, ptr %12, align 4, !tbaa !9
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %12, align 4, !tbaa !9
  br label %18, !llvm.loop !15

34:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 112, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 112, ptr %9) #4
  ret void
}

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

; Function Attrs: nounwind uwtable
declare hidden void @hash256_prf_keygen_init(ptr noundef, ptr noundef) #0

; 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: nounwind uwtable
declare hidden void @adrs_set_hash_address(ptr noundef, i32 noundef) #0

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

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

declare void @sm3_update(ptr noundef, ptr noundef, i64 noundef) #3

declare void @sm3_finish(ptr noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 #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 = !{i64 0, i64 32, !12, i64 32, i64 8, !13, i64 40, i64 64, !12, i64 104, i64 8, !13}
!12 = !{!7, !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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"

%struct.SM3_CTX = type { [8 x i32], i64, [64 x i8], i64 }

; Function Attrs: nounwind uwtable
define dso_local void @sm3_wots_derive_sk(ptr noundef %0, ptr noundef %1, ptr nocapture noundef readonly %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = alloca %struct.SM3_CTX, align 8
  %6 = alloca %struct.SM3_CTX, align 8
  %7 = alloca [32 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 112, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 112, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #4
  call void @hash256_prf_keygen_init(ptr noundef nonnull %5, ptr noundef %0)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %7, ptr noundef nonnull align 1 dereferenceable(32) %2, i64 32, i1 false)
  call void @adrs_set_hash_address(ptr noundef nonnull %7, i32 noundef 0)
  call void @adrs_set_key_and_mask(ptr noundef nonnull %7, i8 noundef zeroext 0)
  br label %8

8:                                                ; preds = %4, %8
  %indvars.iv = phi i64 [ 0, %4 ], [ %indvars.iv.next, %8 ]
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(112) %6, ptr noundef nonnull align 8 dereferenceable(112) %5, i64 112, i1 false), !tbaa.struct !5
  %9 = trunc nuw nsw i64 %indvars.iv to i32
  call void @adrs_set_chain_address(ptr noundef nonnull %7, i32 noundef %9)
  call void @sm3_update(ptr noundef nonnull %6, ptr noundef %1, i64 noundef 32) #4
  call void @sm3_update(ptr noundef nonnull %6, ptr noundef nonnull %7, i64 noundef 32) #4
  %10 = getelementptr inbounds [32 x i8], ptr %3, i64 %indvars.iv
  call void @sm3_finish(ptr noundef nonnull %6, ptr noundef %10) #4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 67
  br i1 %exitcond.not, label %11, label %8, !llvm.loop !11

11:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 112, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 112, ptr nonnull %5) #4
  ret void
}

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

; Function Attrs: nounwind uwtable
declare hidden void @hash256_prf_keygen_init(ptr noundef, ptr noundef) local_unnamed_addr #0

; 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: nounwind uwtable
declare hidden void @adrs_set_hash_address(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @adrs_set_key_and_mask(ptr noundef, i8 noundef zeroext) local_unnamed_addr #0

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

declare void @sm3_update(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

declare void @sm3_finish(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 #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 = !{i64 0, i64 32, !6, i64 32, i64 8, !9, i64 40, i64 64, !6, i64 104, i64 8, !9}
!6 = !{!7, !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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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