; LLVM IR from whatliesbeyond/Power-Control-for-Wireless-Sensor-Networks :: PCRA (D)

; 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.node = type { float, float }

; Function Attrs: nounwind uwtable
define dso_local double @D(<2 x float> %0, <2 x float> %1) #0 {
  %3 = alloca %struct.node, align 4
  %4 = alloca %struct.node, align 4
  %5 = alloca float, align 4
  %6 = alloca float, align 4
  %7 = alloca float, align 4
  %8 = alloca float, align 4
  %9 = alloca double, align 8
  store <2 x float> %0, ptr %3, align 4
  store <2 x float> %1, ptr %4, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %10 = getelementptr inbounds %struct.node, ptr %3, i32 0, i32 0
  %11 = load float, ptr %10, align 4, !tbaa !5
  store float %11, ptr %5, align 4, !tbaa !10
  %12 = getelementptr inbounds %struct.node, ptr %3, i32 0, i32 1
  %13 = load float, ptr %12, align 4, !tbaa !11
  store float %13, ptr %6, align 4, !tbaa !10
  %14 = getelementptr inbounds %struct.node, ptr %4, i32 0, i32 0
  %15 = load float, ptr %14, align 4, !tbaa !5
  store float %15, ptr %7, align 4, !tbaa !10
  %16 = getelementptr inbounds %struct.node, ptr %4, i32 0, i32 1
  %17 = load float, ptr %16, align 4, !tbaa !11
  store float %17, ptr %8, align 4, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %18 = load float, ptr %5, align 4, !tbaa !10
  %19 = load float, ptr %7, align 4, !tbaa !10
  %20 = fsub float %18, %19
  %21 = fpext float %20 to double
  %22 = call double @pow(double noundef %21, double noundef 2.000000e+00) #3
  %23 = load float, ptr %6, align 4, !tbaa !10
  %24 = load float, ptr %8, align 4, !tbaa !10
  %25 = fsub float %23, %24
  %26 = fpext float %25 to double
  %27 = call double @pow(double noundef %26, double noundef 2.000000e+00) #3
  %28 = fadd double %22, %27
  %29 = call double @sqrt(double noundef %28) #3
  store double %29, ptr %9, align 8, !tbaa !12
  %30 = load double, ptr %9, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret double %30
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 }

!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 = !{!"node", !7, i64 0, !7, i64 4}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!7, !7, i64 0}
!11 = !{!6, !7, i64 4}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !8, 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 norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local double @D(<2 x float> %0, <2 x float> %1) local_unnamed_addr #0 {
  %3 = fsub <2 x float> %0, %1
  %4 = fpext <2 x float> %3 to <2 x double>
  %5 = fmul <2 x double> %4, %4
  %shift = shufflevector <2 x double> %5, <2 x double> poison, <2 x i32> <i32 1, i32 poison>
  %6 = fadd <2 x double> %5, %shift
  %7 = extractelement <2 x double> %6, i64 0
  %sqrt = tail call double @llvm.sqrt.f64(double %7)
  ret double %sqrt
}

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

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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: AggressiveInstCombinePass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,TailCallElimPass,VectorCombinePass