; LLVM IR from bqi343/cp-notebook :: Implementations/content/geometry (13)/3D/death_conveyor.ll (ZmlRKeRKSt5arrayIeLm4EE)

; 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.std::array" = type { [4 x x86_fp80] }

; 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) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZmlSt5arrayIeLm4EERKe(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16, ptr noundef byval(%"struct.std::array") align 16, ptr noundef nonnull align 16 dereferenceable(16)) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZmlRKeRKSt5arrayIeLm4EE(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16 %0, ptr noundef nonnull align 16 dereferenceable(16) %1, ptr noundef nonnull align 16 dereferenceable(64) %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"struct.std::array", align 16
  store ptr %1, ptr %4, align 8, !tbaa !5
  store ptr %2, ptr %5, align 8, !tbaa !5
  %7 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %6, ptr align 16 %7, i64 64, i1 false), !tbaa.struct !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZmlSt5arrayIeLm4EERKe(ptr dead_on_unwind writable sret(%"struct.std::array") align 16 %0, ptr noundef byval(%"struct.std::array") align 16 %6, ptr noundef nonnull align 16 dereferenceable(16) %8)
  ret void
}

attributes #0 = { nocallback nofree 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" }

!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 = !{i64 0, i64 64, !10}
!10 = !{!7, !7, i64 0}


; 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.std::array" = type { [4 x x86_fp80] }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZmlSt5arrayIeLm4EERKe(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16, ptr noundef byval(%"struct.std::array") align 16, ptr noundef nonnull align 16 dereferenceable(16)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZmlRKeRKSt5arrayIeLm4EE(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16 %0, ptr noundef nonnull align 16 dereferenceable(16) %1, ptr nocapture noundef nonnull readonly align 16 dereferenceable(64) %2) local_unnamed_addr #0 {
  tail call void @_ZmlSt5arrayIeLm4EERKe(ptr dead_on_unwind writable sret(%"struct.std::array") align 16 %0, ptr noundef nonnull byval(%"struct.std::array") align 16 %2, ptr noundef nonnull align 16 dereferenceable(16) %1)
  ret void
}

attributes #0 = { 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" }

!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)"}


; Effective O3 passes: DSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass