; LLVM IR from Dimandragon/non-parametric-dsp :: alglib-cpp/src/alglibinternal.ll (ZN11alglib_impl17_stimer_init_copyEPvPKvPNS_8ae_stateEb)

; 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::stimer" = type { i64, i64, i8 }

; 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 nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN11alglib_impl17_stimer_init_copyEPvPKvPNS_8ae_stateEb(ptr noundef %0, ptr noundef %1, ptr noundef %2, i1 noundef zeroext %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i8, align 1
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  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
  %11 = zext i1 %3 to i8
  store i8 %11, ptr %8, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %12, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %13, ptr %10, align 8, !tbaa !5
  %14 = load ptr, ptr %10, align 8, !tbaa !5
  %15 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %14, i32 0, i32 0
  %16 = load i64, ptr %15, align 8, !tbaa !11
  %17 = load ptr, ptr %9, align 8, !tbaa !5
  %18 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %17, i32 0, i32 0
  store i64 %16, ptr %18, align 8, !tbaa !11
  %19 = load ptr, ptr %10, align 8, !tbaa !5
  %20 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %19, i32 0, i32 1
  %21 = load i64, ptr %20, align 8, !tbaa !14
  %22 = load ptr, ptr %9, align 8, !tbaa !5
  %23 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %22, i32 0, i32 1
  store i64 %21, ptr %23, align 8, !tbaa !14
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %24, i32 0, i32 2
  %26 = load i8, ptr %25, align 8, !tbaa !15, !range !16, !noundef !17
  %27 = trunc i8 %26 to i1
  %28 = load ptr, ptr %9, align 8, !tbaa !5
  %29 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %28, i32 0, i32 2
  %30 = zext i1 %27 to i8
  store i8 %30, ptr %29, align 8, !tbaa !15
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 #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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTSN11alglib_impl6stimerE", !13, i64 0, !13, i64 8, !10, i64 16}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = !{!12, !10, i64 16}
!16 = !{i8 0, i8 2}
!17 = !{}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_ZN11alglib_impl17_stimer_init_copyEPvPKvPNS_8ae_stateEb(ptr nocapture noundef writeonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readnone %2, i1 noundef zeroext %3) local_unnamed_addr #0 {
  %5 = load <2 x i64>, ptr %1, align 8, !tbaa !5
  store <2 x i64> %5, ptr %0, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %1, i64 16
  %7 = load i8, ptr %6, align 8, !tbaa !9, !range !12, !noundef !13
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  store i8 %7, ptr %8, align 8, !tbaa !9
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 16}
!10 = !{!"_ZTSN11alglib_impl6stimerE", !6, i64 0, !6, i64 8, !11, i64 16}
!11 = !{!"bool", !7, i64 0}
!12 = !{i8 0, i8 2}
!13 = !{}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass