; LLVM IR from CLASS-SZ/class_sz :: class-sz/tools (r8lib)

; 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"

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

; Function Attrs: nounwind
declare double @sqrt(double noundef) #2

; Function Attrs: nounwind
declare double @atan2(double noundef, double noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @r8_sincos_sum(double noundef %0, double noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #3 {
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca double, align 8
  store double %0, ptr %6, align 8, !tbaa !5
  store double %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !9
  store ptr %4, ptr %10, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  store double 0x400921FB54442D18, ptr %11, align 8, !tbaa !5
  %12 = load double, ptr %6, align 8, !tbaa !5
  %13 = load double, ptr %6, align 8, !tbaa !5
  %14 = load double, ptr %7, align 8, !tbaa !5
  %15 = load double, ptr %7, align 8, !tbaa !5
  %16 = fmul double %14, %15
  %17 = call double @llvm.fmuladd.f64(double %12, double %13, double %16)
  %18 = call double @sqrt(double noundef %17) #4
  %19 = load ptr, ptr %8, align 8, !tbaa !9
  store double %18, ptr %19, align 8, !tbaa !5
  %20 = load double, ptr %7, align 8, !tbaa !5
  %21 = load double, ptr %6, align 8, !tbaa !5
  %22 = call double @atan2(double noundef %20, double noundef %21) #4
  %23 = load ptr, ptr %9, align 8, !tbaa !9
  store double %22, ptr %23, align 8, !tbaa !5
  %24 = load double, ptr %7, align 8, !tbaa !5
  %25 = load double, ptr %6, align 8, !tbaa !5
  %26 = call double @atan2(double noundef %24, double noundef %25) #4
  %27 = fsub double %26, 0x3FF921FB54442D18
  %28 = load ptr, ptr %10, align 8, !tbaa !9
  store double %27, ptr %28, align 8, !tbaa !5
  %29 = load ptr, ptr %10, align 8, !tbaa !9
  %30 = load double, ptr %29, align 8, !tbaa !5
  %31 = fcmp olt double %30, 0xC00921FB54442D18
  br i1 %31, label %32, label %37

32:                                               ; preds = %5
  %33 = load ptr, ptr %10, align 8, !tbaa !9
  %34 = load double, ptr %33, align 8, !tbaa !5
  %35 = fadd double %34, 0x401921FB54442D18
  %36 = load ptr, ptr %10, align 8, !tbaa !9
  store double %35, ptr %36, align 8, !tbaa !5
  br label %37

37:                                               ; preds = %32, %5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 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 #4 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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 nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @atan2(double noundef, double noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn memory(write) uwtable
define dso_local void @r8_sincos_sum(double noundef %0, double noundef %1, ptr nocapture noundef writeonly %2, ptr nocapture noundef writeonly %3, ptr nocapture noundef writeonly %4) local_unnamed_addr #2 {
  %6 = fmul double %1, %1
  %7 = tail call double @llvm.fmuladd.f64(double %0, double %0, double %6)
  %sqrt = tail call double @llvm.sqrt.f64(double %7)
  store double %sqrt, ptr %2, align 8, !tbaa !5
  %8 = tail call double @atan2(double noundef %1, double noundef %0) #4
  store double %8, ptr %3, align 8, !tbaa !5
  %9 = tail call double @atan2(double noundef %1, double noundef %0) #4
  %10 = fadd double %9, 0xBFF921FB54442D18
  %11 = fcmp olt double %10, 0xC00921FB54442D18
  %12 = fadd double %10, 0x401921FB54442D18
  %storemerge = select i1 %11, double %12, double %10
  store double %storemerge, ptr %4, align 8, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.sqrt.f64(double) #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 nofree nounwind willreturn memory(write) 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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