; LLVM IR from thekyria/elabtsaot2 :: powersystem/load.ll (ZN9elabtsaot4Load7setTypeEj)

; 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"

%"class.elabtsaot::Load" = type { i32, i32, double, double, %"class.std::complex", double, double, double, double }
%"class.std::complex" = type { { double, double } }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN9elabtsaot4Load7setTypeEj(ptr noundef nonnull align 8 dereferenceable(72) %0, i32 noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  %6 = load i32, ptr %4, align 4, !tbaa !9
  %7 = icmp eq i32 %6, 0
  br i1 %7, label %8, label %11

8:                                                ; preds = %2
  %9 = getelementptr inbounds %"class.elabtsaot::Load", ptr %5, i32 0, i32 5
  store double 0.000000e+00, ptr %9, align 8, !tbaa !11
  %10 = getelementptr inbounds %"class.elabtsaot::Load", ptr %5, i32 0, i32 6
  store double 0.000000e+00, ptr %10, align 8, !tbaa !15
  br label %25

11:                                               ; preds = %2
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = icmp eq i32 %12, 1
  br i1 %13, label %14, label %17

14:                                               ; preds = %11
  %15 = getelementptr inbounds %"class.elabtsaot::Load", ptr %5, i32 0, i32 5
  store double 1.000000e+00, ptr %15, align 8, !tbaa !11
  %16 = getelementptr inbounds %"class.elabtsaot::Load", ptr %5, i32 0, i32 6
  store double 1.000000e+00, ptr %16, align 8, !tbaa !15
  br label %24

17:                                               ; preds = %11
  %18 = load i32, ptr %4, align 4, !tbaa !9
  %19 = icmp eq i32 %18, 2
  br i1 %19, label %20, label %23

20:                                               ; preds = %17
  %21 = getelementptr inbounds %"class.elabtsaot::Load", ptr %5, i32 0, i32 5
  store double 2.000000e+00, ptr %21, align 8, !tbaa !11
  %22 = getelementptr inbounds %"class.elabtsaot::Load", ptr %5, i32 0, i32 6
  store double 2.000000e+00, ptr %22, align 8, !tbaa !15
  br label %23

23:                                               ; preds = %20, %17
  br label %24

24:                                               ; preds = %23, %14
  br label %25

25:                                               ; preds = %24, %8
  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)"}
!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 = !{!"int", !7, i64 0}
!11 = !{!12, !13, i64 40}
!12 = !{!"_ZTSN9elabtsaot4LoadE", !10, i64 0, !10, i64 4, !13, i64 8, !13, i64 16, !14, i64 24, !13, i64 40, !13, i64 48, !13, i64 56, !13, i64 64}
!13 = !{!"double", !7, i64 0}
!14 = !{!"_ZTSSt7complexIdE", !7, i64 0}
!15 = !{!12, !13, i64 48}


; 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: write) uwtable
define dso_local void @_ZN9elabtsaot4Load7setTypeEj(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(72) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  switch i32 %1, label %9 [
    i32 0, label %3
    i32 1, label %5
    i32 2, label %7
  ]

3:                                                ; preds = %2
  %4 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %4, i8 0, i64 16, i1 false)
  br label %9

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %0, i64 40
  store <2 x double> <double 1.000000e+00, double 1.000000e+00>, ptr %6, align 8, !tbaa !5
  br label %9

7:                                                ; preds = %2
  %8 = getelementptr inbounds i8, ptr %0, i64 40
  store <2 x double> <double 2.000000e+00, double 2.000000e+00>, ptr %8, align 8, !tbaa !5
  br label %9

9:                                                ; preds = %2, %5, %7, %3
  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 nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GlobalOptPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass