; LLVM IR from iksha-rudra/Computational-Geometry :: CGAlgorithms/CGAlgorithms/cgalgorithms.ll (ZN12CGAlgorithms11_polarAngleE5PointS0_)

; 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.Point = type { i32, i32 }

; 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: mustprogress uwtable
define dso_local noundef double @_ZN12CGAlgorithms11_polarAngleE5PointS0_(i64 %0, i64 %1) #1 align 2 {
  %3 = alloca %class.Point, align 4
  %4 = alloca %class.Point, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i64 %0, ptr %3, align 4
  store i64 %1, ptr %4, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %7 = call noundef i32 @_ZN5Point1xEv(ptr noundef nonnull align 4 dereferenceable(8) %4)
  %8 = call noundef i32 @_ZN5Point1xEv(ptr noundef nonnull align 4 dereferenceable(8) %3)
  %9 = sub nsw i32 %7, %8
  store i32 %9, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %10 = call noundef i32 @_ZN5Point1yEv(ptr noundef nonnull align 4 dereferenceable(8) %4)
  %11 = call noundef i32 @_ZN5Point1yEv(ptr noundef nonnull align 4 dereferenceable(8) %3)
  %12 = sub nsw i32 %10, %11
  store i32 %12, ptr %6, align 4, !tbaa !5
  %13 = load i32, ptr %6, align 4, !tbaa !5
  %14 = load i32, ptr %5, align 4, !tbaa !5
  %15 = call noundef double @_ZSt5atan2IiiEN9__gnu_cxx9__promoteIDTplcvNS1_IT_Xsr3std12__is_integerIS2_EE7__valueEE6__typeELi0EcvNS1_IT0_Xsr3std12__is_integerIS5_EE7__valueEE6__typeELi0EEXsr3std12__is_integerIS8_EE7__valueEE6__typeES2_S5_(i32 noundef %13, i32 noundef %14)
  %16 = fmul double 0x404CA5DC1A63C1F8, %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret double %16
}

declare noundef i32 @_ZN5Point1xEv(ptr noundef nonnull align 4 dereferenceable(8)) #2

declare noundef i32 @_ZN5Point1yEv(ptr noundef nonnull align 4 dereferenceable(8)) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt5atan2IiiEN9__gnu_cxx9__promoteIDTplcvNS1_IT_Xsr3std12__is_integerIS2_EE7__valueEE6__typeELi0EcvNS1_IT0_Xsr3std12__is_integerIS5_EE7__valueEE6__typeELi0EEXsr3std12__is_integerIS8_EE7__valueEE6__typeES2_S5_(i32 noundef, i32 noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "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 = { inlinehint 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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"

%class.Point = type { i32, i32 }

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_ZN12CGAlgorithms11_polarAngleE5PointS0_(i64 %0, i64 %1) local_unnamed_addr #0 align 2 {
  %3 = alloca %class.Point, align 8
  %4 = alloca %class.Point, align 8
  store i64 %0, ptr %3, align 8
  store i64 %1, ptr %4, align 8
  %5 = call noundef i32 @_ZN5Point1xEv(ptr noundef nonnull align 4 dereferenceable(8) %4)
  %6 = call noundef i32 @_ZN5Point1xEv(ptr noundef nonnull align 4 dereferenceable(8) %3)
  %7 = sub nsw i32 %5, %6
  %8 = call noundef i32 @_ZN5Point1yEv(ptr noundef nonnull align 4 dereferenceable(8) %4)
  %9 = call noundef i32 @_ZN5Point1yEv(ptr noundef nonnull align 4 dereferenceable(8) %3)
  %10 = sub nsw i32 %8, %9
  %11 = call noundef double @_ZSt5atan2IiiEN9__gnu_cxx9__promoteIDTplcvNS1_IT_Xsr3std12__is_integerIS2_EE7__valueEE6__typeELi0EcvNS1_IT0_Xsr3std12__is_integerIS5_EE7__valueEE6__typeELi0EEXsr3std12__is_integerIS8_EE7__valueEE6__typeES2_S5_(i32 noundef %10, i32 noundef %7)
  %12 = fmul double %11, 0x404CA5DC1A63C1F8
  ret double %12
}

declare noundef i32 @_ZN5Point1xEv(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1

declare noundef i32 @_ZN5Point1yEv(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt5atan2IiiEN9__gnu_cxx9__promoteIDTplcvNS1_IT_Xsr3std12__is_integerIS2_EE7__valueEE6__typeELi0EcvNS1_IT0_Xsr3std12__is_integerIS5_EE7__valueEE6__typeELi0EEXsr3std12__is_integerIS8_EE7__valueEE6__typeES2_S5_(i32 noundef, i32 noundef) local_unnamed_addr #2

attributes #0 = { 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 #1 = { "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 = { inlinehint 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" }

!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)"}


; Effective O3 passes: GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass