; 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
define dso_local void @sm3_wots_derive_pk(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca [32 x i8], align 16
  %10 = 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 32, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  %11 = getelementptr inbounds [32 x i8], ptr %9, i64 0, i64 0
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %11, ptr align 1 %12, i64 32, i1 false)
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %31, %4
  %14 = load i32, ptr %10, align 4, !tbaa !9
  %15 = icmp slt i32 %14, 67
  br i1 %15, label %16, label %34

16:                                               ; preds = %13
  %17 = getelementptr inbounds [32 x i8], ptr %9, i64 0, i64 0
  %18 = load i32, ptr %10, align 4, !tbaa !9
  call void @adrs_set_chain_address(ptr noundef %17, i32 noundef %18)
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = load i32, ptr %10, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [32 x i8], ptr %19, i64 %21
  %23 = getelementptr inbounds [32 x i8], ptr %22, i64 0, i64 0
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = getelementptr inbounds [32 x i8], ptr %9, i64 0, i64 0
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = load i32, ptr %10, 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 @wots_chain(ptr noundef %23, i32 noundef 0, i32 noundef 15, ptr noundef %24, ptr noundef %25, ptr noundef %30)
  br label %31

31:                                               ; preds = %16
  %32 = load i32, ptr %10, align 4, !tbaa !9
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %10, align 4, !tbaa !9
  br label %13, !llvm.loop !11

34:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #3
  ret void
}

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

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 = distinct !{!11, !12}
!12 = !{!"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
define dso_local void @sm3_wots_derive_pk(ptr noundef %0, ptr noundef %1, ptr nocapture noundef readonly %2, ptr noundef %3) local_unnamed_addr #2 {
  %5 = alloca [32 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %5, ptr noundef nonnull align 1 dereferenceable(32) %2, i64 32, i1 false)
  br label %6

6:                                                ; preds = %4, %6
  %indvars.iv = phi i64 [ 0, %4 ], [ %indvars.iv.next, %6 ]
  %7 = trunc nuw nsw i64 %indvars.iv to i32
  call void @adrs_set_chain_address(ptr noundef nonnull %5, i32 noundef %7)
  %8 = getelementptr inbounds [32 x i8], ptr %0, i64 %indvars.iv
  %9 = getelementptr inbounds [32 x i8], ptr %3, i64 %indvars.iv
  call void @wots_chain(ptr noundef %8, i32 noundef 0, i32 noundef 15, ptr noundef %1, ptr noundef nonnull %5, ptr noundef %9)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 67
  br i1 %exitcond.not, label %10, label %6, !llvm.loop !5

10:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  ret void
}

; 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

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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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