; LLVM IR from venumb/ZSPACE :: cpp/depends/alglib/cpp/src/ap.ll (ZN11alglib_impl15ae_matrix_clearEPNS_9ae_matrixE)

; 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.alglib_impl::ae_matrix" = type { i64, i64, i64, i64, i8, %"struct.alglib_impl::ae_dyn_block", %union.anon }
%"struct.alglib_impl::ae_dyn_block" = type { ptr, ptr, ptr, ptr }
%union.anon = type { ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11alglib_impl10ae_db_freeEPNS_12ae_dyn_blockE(ptr noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11alglib_impl15ae_matrix_clearEPNS_9ae_matrixE(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %3, i32 0, i32 0
  store i64 0, ptr %4, align 8, !tbaa !9
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %5, i32 0, i32 1
  store i64 0, ptr %6, align 8, !tbaa !14
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %7, i32 0, i32 2
  store i64 0, ptr %8, align 8, !tbaa !15
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %9, i32 0, i32 5
  call void @_ZN11alglib_impl10ae_db_freeEPNS_12ae_dyn_blockE(ptr noundef %10)
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %11, i32 0, i32 6
  store ptr null, ptr %12, align 8, !tbaa !16
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %13, i32 0, i32 4
  store i8 0, ptr %14, align 8, !tbaa !17
  ret void
}

attributes #0 = { mustprogress 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" }

!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++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTSN11alglib_impl9ae_matrixE", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !12, i64 32, !13, i64 40, !7, i64 72}
!11 = !{!"long", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!"_ZTSN11alglib_impl12ae_dyn_blockE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!14 = !{!10, !11, i64 8}
!15 = !{!10, !11, i64 16}
!16 = !{!7, !7, i64 0}
!17 = !{!10, !12, i64 32}


; 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 uwtable
declare dso_local void @_ZN11alglib_impl10ae_db_freeEPNS_12ae_dyn_blockE(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11alglib_impl15ae_matrix_clearEPNS_9ae_matrixE(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %0, i8 0, i64 24, i1 false)
  tail call void @_ZN11alglib_impl10ae_db_freeEPNS_12ae_dyn_blockE(ptr noundef nonnull %2)
  %3 = getelementptr inbounds i8, ptr %0, i64 72
  store ptr null, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 32
  store i8 0, ptr %4, align 8, !tbaa !8
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress 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 nounwind willreturn memory(argmem: write) }

!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++ TBAA"}
!8 = !{!9, !11, i64 32}
!9 = !{!"_ZTSN11alglib_impl9ae_matrixE", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !11, i64 32, !12, i64 40, !6, i64 72}
!10 = !{!"long", !6, i64 0}
!11 = !{!"bool", !6, i64 0}
!12 = !{!"_ZTSN11alglib_impl12ae_dyn_blockE", !13, i64 0, !13, i64 8, !13, i64 16, !13, i64 24}
!13 = !{!"any pointer", !6, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass