; LLVM IR from iostapyshyn/gravity :: physics (particle_radius)

; 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"

%struct.particle = type { double, double, double, double, double, [3 x double] }

; Function Attrs: nounwind uwtable
define dso_local float @particle_radius(ptr noundef %0) #0 {
  %2 = alloca float, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.particle, ptr %4, i32 0, i32 4
  %6 = load double, ptr %5, align 8, !tbaa !9
  %7 = fcmp olt double %6, 2.000000e+00
  br i1 %7, label %8, label %14

8:                                                ; preds = %1
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.particle, ptr %9, i32 0, i32 4
  %11 = load double, ptr %10, align 8, !tbaa !9
  %12 = fcmp ogt double %11, -2.000000e+00
  br i1 %12, label %13, label %14

13:                                               ; preds = %8
  store float 1.000000e+00, ptr %2, align 4
  br label %24

14:                                               ; preds = %8, %1
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.particle, ptr %15, i32 0, i32 4
  %17 = load double, ptr %16, align 8, !tbaa !9
  %18 = call double @llvm.fabs.f64(double %17)
  %19 = call double @log(double noundef %18) #3
  %20 = call double @log(double noundef 2.000000e+00) #3
  %21 = fdiv double %19, %20
  %22 = fdiv double %21, 2.000000e+00
  %23 = fptrunc double %22 to float
  store float %23, ptr %2, align 4
  br label %24

24:                                               ; preds = %14, %13
  %25 = load float, ptr %2, align 4
  ret float %25
}

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fabs.f64(double) #2

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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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, !11, i64 32}
!10 = !{!"particle", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !7, i64 40}
!11 = !{!"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"

; Function Attrs: mustprogress nofree nounwind willreturn memory(write, argmem: readwrite) uwtable
define dso_local float @particle_radius(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  %3 = load double, ptr %2, align 8, !tbaa !5
  %4 = tail call double @llvm.fabs.f64(double %3)
  %or.cond = fcmp olt double %4, 2.000000e+00
  br i1 %or.cond, label %10, label %5

5:                                                ; preds = %1
  %6 = tail call double @log(double noundef %4) #3
  %7 = fdiv double %6, 0x3FE62E42FEFA39EF
  %8 = fmul double %7, 5.000000e-01
  %9 = fptrunc double %8 to float
  br label %10

10:                                               ; preds = %1, %5
  %.0 = phi float [ %9, %5 ], [ 1.000000e+00, %1 ]
  ret float %.0
}

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fabs.f64(double) #2

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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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, !7, i64 32}
!6 = !{!"particle", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !8, i64 40}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


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