; LLVM IR from smv1999/CompetitiveProgrammingQuestionBank :: Numbers/Complex_numbers.ll (ZN7complex7modulusES_)

; 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.complex = type { float, float }

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

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZN7complex7modulusES_(ptr noundef nonnull align 4 dereferenceable(8) %0, <2 x float> %1) #1 align 2 {
  %3 = alloca %class.complex, align 4
  %4 = alloca ptr, align 8
  %5 = alloca float, align 4
  store <2 x float> %1, ptr %3, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %7 = getelementptr inbounds %class.complex, ptr %3, i32 0, i32 1
  %8 = load float, ptr %7, align 4, !tbaa !9
  %9 = getelementptr inbounds %class.complex, ptr %3, i32 0, i32 1
  %10 = load float, ptr %9, align 4, !tbaa !9
  %11 = getelementptr inbounds %class.complex, ptr %3, i32 0, i32 0
  %12 = load float, ptr %11, align 4, !tbaa !12
  %13 = getelementptr inbounds %class.complex, ptr %3, i32 0, i32 0
  %14 = load float, ptr %13, align 4, !tbaa !12
  %15 = fmul float %12, %14
  %16 = call float @llvm.fmuladd.f32(float %8, float %10, float %15)
  %17 = call noundef float @_ZSt4sqrtf(float noundef %16)
  store float %17, ptr %5, align 4, !tbaa !13
  %18 = load float, ptr %5, align 4, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret float %18
}

; 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 float @llvm.fmuladd.f32(float, float, float) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt4sqrtf(float noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="64" "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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 4}
!10 = !{!"_ZTS7complex", !11, i64 0, !11, i64 4}
!11 = !{!"float", !7, i64 0}
!12 = !{!10, !11, i64 0}
!13 = !{!11, !11, 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 nounwind uwtable
define dso_local noundef float @_ZN7complex7modulusES_(ptr nocapture noundef nonnull readnone align 4 dereferenceable(8) %0, <2 x float> %1) local_unnamed_addr #0 align 2 {
  %.sroa.0.4.vec.extract = extractelement <2 x float> %1, i64 1
  %3 = fmul <2 x float> %1, %1
  %4 = extractelement <2 x float> %3, i64 0
  %5 = tail call float @llvm.fmuladd.f32(float %.sroa.0.4.vec.extract, float %.sroa.0.4.vec.extract, float %4)
  %6 = tail call noundef float @_ZSt4sqrtf(float noundef %5)
  ret float %6
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt4sqrtf(float noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="64" "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 nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass,VectorCombinePass