; LLVM IR from USDA-ARS-ACSL/MAIZSIM :: Crop source/cpmdate.ll (ZN7CPMDate12is_leap_yearEv)

; 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.CPMDate = type { [20 x i8], [30 x i8], [20 x i8], [40 x i8], [9 x i8], i32, i32, i32, i32 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN7CPMDate12is_leap_yearEv(ptr noundef nonnull align 4 dereferenceable(136) %0) #0 align 2 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8
  %5 = getelementptr inbounds %class.CPMDate, ptr %4, i32 0, i32 6
  %6 = load i32, ptr %5, align 4, !tbaa !9
  %7 = sitofp i32 %6 to double
  %8 = call double @fmod(double noundef %7, double noundef 4.000000e+00) #2
  %9 = fcmp oeq double %8, 0.000000e+00
  br i1 %9, label %10, label %11

10:                                               ; preds = %1
  store i32 1, ptr %2, align 4
  br label %12

11:                                               ; preds = %1
  store i32 0, ptr %2, align 4
  br label %12

12:                                               ; preds = %11, %10
  %13 = load i32, ptr %2, align 4
  ret i32 %13
}

; Function Attrs: nounwind
declare double @fmod(double noundef, double noundef) #1

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" }
attributes #1 = { 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 #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, !11, i64 124}
!10 = !{!"_ZTS7CPMDate", !7, i64 0, !7, i64 20, !7, i64 50, !7, i64 70, !7, i64 110, !11, i64 120, !11, i64 124, !11, i64 128, !11, i64 132}
!11 = !{!"int", !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"

; Function Attrs: mustprogress nofree nounwind willreturn memory(write, argmem: readwrite) uwtable
define dso_local noundef range(i32 0, 2) i32 @_ZN7CPMDate12is_leap_yearEv(ptr nocapture noundef nonnull readonly align 4 dereferenceable(136) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 124
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %4 = sitofp i32 %3 to double
  %5 = tail call double @fmod(double noundef %4, double noundef 4.000000e+00) #2
  %6 = fcmp oeq double %5, 0.000000e+00
  %. = zext i1 %6 to i32
  ret i32 %.
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @fmod(double noundef, double noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nofree nounwind willreturn memory(write, 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" }
attributes #1 = { mustprogress nofree nounwind willreturn memory(write) "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, !9, i64 124}
!6 = !{!"_ZTS7CPMDate", !7, i64 0, !7, i64 20, !7, i64 50, !7, i64 70, !7, i64 110, !9, i64 120, !9, i64 124, !9, i64 128, !9, i64 132}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!"int", !7, i64 0}


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