; LLVM IR from NOAA-PMEL/Ferret :: fmt/src (tm_break_fmt_date_c)

; 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"

@.str = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @tm_break_fmt_date_c_(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6) #0 {
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca ptr, align 8
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca double, align 8
  %18 = alloca i32, align 4
  store ptr %0, ptr %9, align 8, !tbaa !5
  store ptr %1, ptr %10, align 8, !tbaa !5
  store ptr %2, ptr %11, align 8, !tbaa !5
  store ptr %3, ptr %12, align 8, !tbaa !5
  store ptr %4, ptr %13, align 8, !tbaa !5
  store ptr %5, ptr %14, align 8, !tbaa !5
  store ptr %6, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #3
  %19 = load ptr, ptr %9, align 8, !tbaa !5
  %20 = load ptr, ptr %10, align 8, !tbaa !5
  %21 = load ptr, ptr %11, align 8, !tbaa !5
  %22 = load ptr, ptr %12, align 8, !tbaa !5
  %23 = load ptr, ptr %13, align 8, !tbaa !5
  %24 = load ptr, ptr %14, align 8, !tbaa !5
  %25 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %19, ptr noundef @.str, ptr noundef %20, ptr noundef %21, ptr noundef %22, ptr noundef %23, ptr noundef %24, ptr noundef %17) #3
  store i32 %25, ptr %16, align 4, !tbaa !9
  %26 = load i32, ptr %16, align 4, !tbaa !9
  %27 = icmp eq i32 %26, 3
  br i1 %27, label %28, label %32

28:                                               ; preds = %7
  %29 = load ptr, ptr %13, align 8, !tbaa !5
  store i32 0, ptr %29, align 4, !tbaa !9
  %30 = load ptr, ptr %14, align 8, !tbaa !5
  store i32 0, ptr %30, align 4, !tbaa !9
  %31 = load ptr, ptr %15, align 8, !tbaa !5
  store float 0.000000e+00, ptr %31, align 4, !tbaa !11
  br label %54

32:                                               ; preds = %7
  %33 = load i32, ptr %16, align 4, !tbaa !9
  %34 = icmp eq i32 %33, 4
  br i1 %34, label %35, label %38

35:                                               ; preds = %32
  %36 = load ptr, ptr %14, align 8, !tbaa !5
  store i32 0, ptr %36, align 4, !tbaa !9
  %37 = load ptr, ptr %15, align 8, !tbaa !5
  store float 0.000000e+00, ptr %37, align 4, !tbaa !11
  br label %53

38:                                               ; preds = %32
  %39 = load i32, ptr %16, align 4, !tbaa !9
  %40 = icmp eq i32 %39, 5
  br i1 %40, label %41, label %43

41:                                               ; preds = %38
  %42 = load ptr, ptr %15, align 8, !tbaa !5
  store float 0.000000e+00, ptr %42, align 4, !tbaa !11
  br label %52

43:                                               ; preds = %38
  %44 = load i32, ptr %16, align 4, !tbaa !9
  %45 = icmp eq i32 %44, 6
  br i1 %45, label %46, label %50

46:                                               ; preds = %43
  %47 = load double, ptr %17, align 8, !tbaa !13
  %48 = fptrunc double %47 to float
  %49 = load ptr, ptr %15, align 8, !tbaa !5
  store float %48, ptr %49, align 4, !tbaa !11
  br label %51

50:                                               ; preds = %43
  store i32 1, ptr %8, align 4
  store i32 1, ptr %18, align 4
  br label %55

51:                                               ; preds = %46
  br label %52

52:                                               ; preds = %51, %41
  br label %53

53:                                               ; preds = %52, %35
  br label %54

54:                                               ; preds = %53, %28
  store i32 0, ptr %8, align 4
  store i32 1, ptr %18, align 4
  br label %55

55:                                               ; preds = %54, %50
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #3
  %56 = load i32, ptr %8, align 4
  ret i32 %56
}

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

; Function Attrs: nounwind
declare i32 @__isoc99_sscanf(ptr noundef, ptr noundef, ...) #2

; 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 "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 #3 = { 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 = !{!14, !14, i64 0}
!14 = !{!"double", !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"

@.str = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local range(i32 0, 2) i32 @tm_break_fmt_date_c_(ptr nocapture noundef readonly %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr nocapture noundef writeonly %6) local_unnamed_addr #0 {
  %8 = alloca double, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #3
  %9 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %0, ptr noundef nonnull @.str, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef nonnull %8) #3
  switch i32 %9, label %15 [
    i32 3, label %10
    i32 4, label %11
    i32 5, label %.sink.split
    i32 6, label %12
  ]

10:                                               ; preds = %7
  store i32 0, ptr %4, align 4, !tbaa !5
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %.sink.split

11:                                               ; preds = %7
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %.sink.split

12:                                               ; preds = %7
  %13 = load double, ptr %8, align 8, !tbaa !9
  %14 = fptrunc double %13 to float
  br label %.sink.split

.sink.split:                                      ; preds = %7, %11, %12, %10
  %.sink = phi float [ 0.000000e+00, %10 ], [ %14, %12 ], [ 0.000000e+00, %11 ], [ 0.000000e+00, %7 ]
  store float %.sink, ptr %6, align 4, !tbaa !11
  br label %15

15:                                               ; preds = %.sink.split, %7
  %.0 = phi i32 [ 1, %7 ], [ 0, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #3
  ret i32 %.0
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_sscanf(ptr nocapture noundef readonly, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

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

attributes #0 = { nofree 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "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 #3 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}


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