; LLVM IR from NOAA-PMEL/Ferret :: fer/ef_utility (ef_get_bad_flags)

; 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"

@GLOBAL_bad_flag_ptr = external global ptr, align 8

; Function Attrs: nounwind uwtable
define dso_local void @ef_get_bad_flags_(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %21, %3
  %9 = load i32, ptr %7, align 4, !tbaa !9
  %10 = icmp slt i32 %9, 9
  br i1 %10, label %11, label %24

11:                                               ; preds = %8
  %12 = load ptr, ptr @GLOBAL_bad_flag_ptr, align 8, !tbaa !5
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds float, ptr %12, i64 %14
  %16 = load float, ptr %15, align 4, !tbaa !11
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = load i32, ptr %7, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds float, ptr %17, i64 %19
  store float %16, ptr %20, align 4, !tbaa !11
  br label %21

21:                                               ; preds = %11
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %7, align 4, !tbaa !9
  br label %8, !llvm.loop !13

24:                                               ; preds = %8
  %25 = load ptr, ptr @GLOBAL_bad_flag_ptr, align 8, !tbaa !5
  %26 = getelementptr inbounds float, ptr %25, i64 9
  %27 = load float, ptr %26, align 4, !tbaa !11
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  store float %27, ptr %28, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

@GLOBAL_bad_flag_ptr = external local_unnamed_addr global ptr, align 8

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local void @ef_get_bad_flags_(ptr nocapture noundef readnone %0, ptr nocapture noundef writeonly %1, ptr nocapture noundef writeonly %2) local_unnamed_addr #0 {
  %4 = load ptr, ptr @GLOBAL_bad_flag_ptr, align 8, !tbaa !5
  %5 = load float, ptr %4, align 4, !tbaa !9
  store float %5, ptr %1, align 4, !tbaa !9
  %6 = getelementptr inbounds i8, ptr %4, i64 4
  %7 = load float, ptr %6, align 4, !tbaa !9
  %8 = getelementptr inbounds i8, ptr %1, i64 4
  store float %7, ptr %8, align 4, !tbaa !9
  %9 = getelementptr inbounds i8, ptr %4, i64 8
  %10 = load float, ptr %9, align 4, !tbaa !9
  %11 = getelementptr inbounds i8, ptr %1, i64 8
  store float %10, ptr %11, align 4, !tbaa !9
  %12 = getelementptr inbounds i8, ptr %4, i64 12
  %13 = load float, ptr %12, align 4, !tbaa !9
  %14 = getelementptr inbounds i8, ptr %1, i64 12
  store float %13, ptr %14, align 4, !tbaa !9
  %15 = getelementptr inbounds i8, ptr %4, i64 16
  %16 = load float, ptr %15, align 4, !tbaa !9
  %17 = getelementptr inbounds i8, ptr %1, i64 16
  store float %16, ptr %17, align 4, !tbaa !9
  %18 = getelementptr inbounds i8, ptr %4, i64 20
  %19 = load float, ptr %18, align 4, !tbaa !9
  %20 = getelementptr inbounds i8, ptr %1, i64 20
  store float %19, ptr %20, align 4, !tbaa !9
  %21 = getelementptr inbounds i8, ptr %4, i64 24
  %22 = load float, ptr %21, align 4, !tbaa !9
  %23 = getelementptr inbounds i8, ptr %1, i64 24
  store float %22, ptr %23, align 4, !tbaa !9
  %24 = getelementptr inbounds i8, ptr %4, i64 28
  %25 = load float, ptr %24, align 4, !tbaa !9
  %26 = getelementptr inbounds i8, ptr %1, i64 28
  store float %25, ptr %26, align 4, !tbaa !9
  %27 = getelementptr inbounds i8, ptr %4, i64 32
  %28 = load float, ptr %27, align 4, !tbaa !9
  %29 = getelementptr inbounds i8, ptr %1, i64 32
  store float %28, ptr %29, align 4, !tbaa !9
  %30 = getelementptr inbounds i8, ptr %4, i64 36
  %31 = load float, ptr %30, align 4, !tbaa !9
  store float %31, ptr %2, align 4, !tbaa !9
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: readwrite, inaccessiblemem: none) 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"float", !7, i64 0}


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