; LLVM IR from ayush-tulsyan/ACM-ICPC-Handbook :: code/Geometry.ll (Z9RotateCCW2PTd)

; 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.PT = type { double, double }

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2PTC2Edd(ptr noundef nonnull align 8 dereferenceable(16), double noundef, double noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9RotateCCW2PTd(ptr dead_on_unwind noalias writable sret(%struct.PT) align 8 %0, ptr noundef %1, double noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca double, align 8
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store double %2, ptr %6, align 8, !tbaa !9
  %7 = getelementptr inbounds %struct.PT, ptr %1, i32 0, i32 0
  %8 = load double, ptr %7, align 8, !tbaa !11
  %9 = load double, ptr %6, align 8, !tbaa !9
  %10 = call double @cos(double noundef %9) #4
  %11 = getelementptr inbounds %struct.PT, ptr %1, i32 0, i32 1
  %12 = load double, ptr %11, align 8, !tbaa !13
  %13 = load double, ptr %6, align 8, !tbaa !9
  %14 = call double @sin(double noundef %13) #4
  %15 = fmul double %12, %14
  %16 = fneg double %15
  %17 = call double @llvm.fmuladd.f64(double %8, double %10, double %16)
  %18 = getelementptr inbounds %struct.PT, ptr %1, i32 0, i32 0
  %19 = load double, ptr %18, align 8, !tbaa !11
  %20 = load double, ptr %6, align 8, !tbaa !9
  %21 = call double @sin(double noundef %20) #4
  %22 = getelementptr inbounds %struct.PT, ptr %1, i32 0, i32 1
  %23 = load double, ptr %22, align 8, !tbaa !13
  %24 = load double, ptr %6, align 8, !tbaa !9
  %25 = call double @cos(double noundef %24) #4
  %26 = fmul double %23, %25
  %27 = call double @llvm.fmuladd.f64(double %19, double %21, double %26)
  call void @_ZN2PTC2Edd(ptr noundef nonnull align 8 dereferenceable(16) %0, double noundef %17, double noundef %27)
  ret void
}

; Function Attrs: nounwind
declare double @cos(double noundef) #3

; Function Attrs: nounwind
declare double @sin(double noundef) #3

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { 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 #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 "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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_ZTS2PT", !10, i64 0, !10, i64 8}
!13 = !{!12, !10, i64 8}


; 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"

%struct.PT = type { double, double }

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2PTC2Edd(ptr noundef nonnull align 8 dereferenceable(16), double noundef, double noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z9RotateCCW2PTd(ptr dead_on_unwind noalias nonnull writable sret(%struct.PT) align 8 %0, ptr nocapture noundef readonly %1, double noundef %2) local_unnamed_addr #1 {
  %4 = load double, ptr %1, align 8, !tbaa !5
  %5 = tail call double @cos(double noundef %2) #3
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = load double, ptr %6, align 8, !tbaa !10
  %8 = tail call double @sin(double noundef %2) #3
  %9 = fneg double %7
  %10 = fmul double %8, %9
  %11 = tail call double @llvm.fmuladd.f64(double %4, double %5, double %10)
  %12 = load double, ptr %1, align 8, !tbaa !5
  %13 = tail call double @sin(double noundef %2) #3
  %14 = load double, ptr %6, align 8, !tbaa !10
  %15 = tail call double @cos(double noundef %2) #3
  %16 = fmul double %14, %15
  %17 = tail call double @llvm.fmuladd.f64(double %12, double %13, double %16)
  tail call void @_ZN2PTC2Edd(ptr noundef nonnull align 8 dereferenceable(16) %0, double noundef %11, double noundef %17)
  ret void
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @cos(double noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @sin(double noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { 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 #2 = { 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 #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 0}
!6 = !{!"_ZTS2PT", !7, i64 0, !7, i64 8}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 8}


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