; 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"

; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
declare hidden void @adrs_set_chain_address(ptr noundef, i32 noundef) #2

; 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 hidden void @wots_chain(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) #2

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

; Function Attrs: nounwind uwtable
define dso_local void @sm3_wots_sig_to_pk(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #2 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca [32 x i8], align 16
  %12 = alloca [67 x i8], align 16
  %13 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  store ptr %4, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #3
  call void @llvm.lifetime.start.p0(i64 67, ptr %12) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  %14 = getelementptr inbounds [32 x i8], ptr %11, i64 0, i64 0
  %15 = load ptr, ptr %9, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %14, ptr align 1 %15, i64 32, i1 false)
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = getelementptr inbounds [67 x i8], ptr %12, i64 0, i64 0
  call void @base_w_and_checksum(ptr noundef %16, ptr noundef %17)
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %47, %5
  %19 = load i32, ptr %13, align 4, !tbaa !9
  %20 = icmp slt i32 %19, 67
  br i1 %20, label %21, label %50

21:                                               ; preds = %18
  %22 = getelementptr inbounds [32 x i8], ptr %11, i64 0, i64 0
  %23 = load i32, ptr %13, 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
  %25 = load i32, ptr %13, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [32 x i8], ptr %24, i64 %26
  %28 = getelementptr inbounds [32 x i8], ptr %27, i64 0, i64 0
  %29 = load i32, ptr %13, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [67 x i8], ptr %12, i64 0, i64 %30
  %32 = load i8, ptr %31, align 1, !tbaa !11
  %33 = zext i8 %32 to i32
  %34 = load i32, ptr %13, align 4, !tbaa !9
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [67 x i8], ptr %12, i64 0, i64 %35
  %37 = load i8, ptr %36, align 1, !tbaa !11
  %38 = zext i8 %37 to i32
  %39 = sub nsw i32 15, %38
  %40 = load ptr, ptr %8, align 8, !tbaa !5
  %41 = getelementptr inbounds [32 x i8], ptr %11, i64 0, i64 0
  %42 = load ptr, ptr %10, align 8, !tbaa !5
  %43 = load i32, ptr %13, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [32 x i8], ptr %42, i64 %44
  %46 = getelementptr inbounds [32 x i8], ptr %45, i64 0, i64 0
  call void @wots_chain(ptr noundef %28, i32 noundef %33, i32 noundef %39, ptr noundef %40, ptr noundef %41, ptr noundef %46)
  br label %47

47:                                               ; preds = %21
  %48 = load i32, ptr %13, align 4, !tbaa !9
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %13, align 4, !tbaa !9
  br label %18, !llvm.loop !12

50:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 67, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!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: 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
declare hidden void @adrs_set_chain_address(ptr noundef, i32 noundef) local_unnamed_addr #2

; 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 hidden void @wots_chain(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare hidden void @base_w_and_checksum(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @sm3_wots_sig_to_pk(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr nocapture noundef readonly %3, ptr noundef %4) local_unnamed_addr #2 {
  %6 = alloca [32 x i8], align 16
  %7 = alloca [67 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #3
  call void @llvm.lifetime.start.p0(i64 67, ptr nonnull %7) #3
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %6, ptr noundef nonnull align 1 dereferenceable(32) %3, i64 32, i1 false)
  call void @base_w_and_checksum(ptr noundef %1, ptr noundef nonnull %7)
  br label %8

8:                                                ; preds = %5, %8
  %indvars.iv = phi i64 [ 0, %5 ], [ %indvars.iv.next, %8 ]
  %9 = trunc nuw nsw i64 %indvars.iv to i32
  call void @adrs_set_chain_address(ptr noundef nonnull %6, i32 noundef %9)
  %10 = getelementptr inbounds [32 x i8], ptr %0, i64 %indvars.iv
  %11 = getelementptr inbounds [67 x i8], ptr %7, i64 0, i64 %indvars.iv
  %12 = load i8, ptr %11, align 1, !tbaa !5
  %13 = zext i8 %12 to i32
  %14 = sub nsw i32 15, %13
  %15 = getelementptr inbounds [32 x i8], ptr %4, i64 %indvars.iv
  call void @wots_chain(ptr noundef %10, i32 noundef %13, i32 noundef %14, ptr noundef %2, ptr noundef nonnull %6, ptr noundef %15)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 67
  br i1 %exitcond.not, label %16, label %8, !llvm.loop !8

16:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 67, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #3
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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