; LLVM IR from USDA-ARS-ACSL/MAIZSIM :: Crop source/radtrans.ll (ZN9CRadTrans5LAIslEv)

; 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.CRadTrans = type <{ double, double, double, double, double, double, double, double, double, double, i32, i8, [3 x i8] }>

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZN9CRadTrans5GetKbEv(ptr noundef nonnull align 8 dereferenceable(85)) #0 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_ZN9CRadTrans5LAIslEv(ptr noundef nonnull align 8 dereferenceable(85) %0) #2 align 2 {
  %2 = alloca double, align 8
  %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.CRadTrans, ptr %4, i32 0, i32 6
  %6 = load double, ptr %5, align 8, !tbaa !9
  %7 = fcmp ole double %6, 1.000000e-02
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  store double 0.000000e+00, ptr %2, align 8
  br label %19

9:                                                ; preds = %1
  %10 = call noundef double @_ZN9CRadTrans5GetKbEv(ptr noundef nonnull align 8 dereferenceable(85) %4)
  %11 = fneg double %10
  %12 = getelementptr inbounds %class.CRadTrans, ptr %4, i32 0, i32 5
  %13 = load double, ptr %12, align 8, !tbaa !14
  %14 = fmul double %11, %13
  %15 = call double @exp(double noundef %14) #3
  %16 = fsub double 1.000000e+00, %15
  %17 = call noundef double @_ZN9CRadTrans5GetKbEv(ptr noundef nonnull align 8 dereferenceable(85) %4)
  %18 = fdiv double %16, %17
  store double %18, ptr %2, align 8
  br label %19

19:                                               ; preds = %9, %8
  %20 = load double, ptr %2, align 8
  ret double %20
}

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 = { mustprogress 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 #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++ TBAA"}
!9 = !{!10, !11, i64 48}
!10 = !{!"_ZTS9CRadTrans", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !11, i64 48, !11, i64 56, !11, i64 64, !11, i64 72, !12, i64 80, !13, i64 84}
!11 = !{!"double", !7, i64 0}
!12 = !{!"_ZTSN9CRadTrans10CLeafAngleE", !7, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = !{!10, !11, i64 40}


; 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 nounwind uwtable
declare dso_local noundef double @_ZN9CRadTrans5GetKbEv(ptr noundef nonnull align 8 dereferenceable(85)) local_unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_ZN9CRadTrans5LAIslEv(ptr noundef nonnull align 8 dereferenceable(85) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 48
  %3 = load double, ptr %2, align 8, !tbaa !5
  %4 = fcmp ugt double %3, 1.000000e-02
  br i1 %4, label %5, label %15

5:                                                ; preds = %1
  %6 = tail call noundef double @_ZN9CRadTrans5GetKbEv(ptr noundef nonnull align 8 dereferenceable(85) %0)
  %7 = fneg double %6
  %8 = getelementptr inbounds i8, ptr %0, i64 40
  %9 = load double, ptr %8, align 8, !tbaa !12
  %10 = fmul double %9, %7
  %11 = tail call double @exp(double noundef %10) #2
  %12 = fsub double 1.000000e+00, %11
  %13 = tail call noundef double @_ZN9CRadTrans5GetKbEv(ptr noundef nonnull align 8 dereferenceable(85) %0)
  %14 = fdiv double %12, %13
  br label %15

15:                                               ; preds = %1, %5
  %.0 = phi double [ %14, %5 ], [ 0.000000e+00, %1 ]
  ret double %.0
}

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 = { 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, !7, i64 48}
!6 = !{!"_ZTS9CRadTrans", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !10, i64 80, !11, i64 84}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN9CRadTrans10CLeafAngleE", !8, i64 0}
!11 = !{!"bool", !8, i64 0}
!12 = !{!6, !7, i64 40}


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