; LLVM IR from tangjz/acm-icpc :: TDL_training/2016-04-04/H - Laser Cutter - lzy.ll (Z3dis5PointS_)

; 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.Point = type { i32, i32 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_Z3dis5PointS_(i64 %0, i64 %1) #0 {
  %3 = alloca %struct.Point, align 4
  %4 = alloca %struct.Point, align 4
  store i64 %0, ptr %3, align 4
  store i64 %1, ptr %4, align 4
  %5 = getelementptr inbounds %struct.Point, ptr %3, i32 0, i32 0
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 0
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %9 = sub nsw i32 %6, %8
  %10 = getelementptr inbounds %struct.Point, ptr %3, i32 0, i32 0
  %11 = load i32, ptr %10, align 4, !tbaa !5
  %12 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 0
  %13 = load i32, ptr %12, align 4, !tbaa !5
  %14 = sub nsw i32 %11, %13
  %15 = mul nsw i32 %9, %14
  %16 = getelementptr inbounds %struct.Point, ptr %3, i32 0, i32 1
  %17 = load i32, ptr %16, align 4, !tbaa !10
  %18 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 1
  %19 = load i32, ptr %18, align 4, !tbaa !10
  %20 = sub nsw i32 %17, %19
  %21 = getelementptr inbounds %struct.Point, ptr %3, i32 0, i32 1
  %22 = load i32, ptr %21, align 4, !tbaa !10
  %23 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 1
  %24 = load i32, ptr %23, align 4, !tbaa !10
  %25 = sub nsw i32 %22, %24
  %26 = mul nsw i32 %20, %25
  %27 = add nsw i32 %15, %26
  %28 = sitofp i32 %27 to double
  %29 = call double @sqrt(double noundef %28) #2
  ret double %29
}

; Function Attrs: nounwind
declare double @sqrt(double noundef) #1

attributes #0 = { 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 #1 = { 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 #2 = { 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 = !{!"_ZTS5Point", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 4}


; 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 noundef double @_Z3dis5PointS_(i64 %0, i64 %1) local_unnamed_addr #0 {
  %.sroa.03.0.extract.trunc = trunc i64 %0 to i32
  %.sroa.35.0.extract.shift = lshr i64 %0, 32
  %.sroa.35.0.extract.trunc = trunc nuw i64 %.sroa.35.0.extract.shift to i32
  %.sroa.0.0.extract.trunc = trunc i64 %1 to i32
  %.sroa.3.0.extract.shift = lshr i64 %1, 32
  %.sroa.3.0.extract.trunc = trunc nuw i64 %.sroa.3.0.extract.shift to i32
  %3 = sub nsw i32 %.sroa.03.0.extract.trunc, %.sroa.0.0.extract.trunc
  %4 = mul nsw i32 %3, %3
  %5 = sub nsw i32 %.sroa.35.0.extract.trunc, %.sroa.3.0.extract.trunc
  %6 = mul nsw i32 %5, %5
  %7 = add nuw nsw i32 %6, %4
  %8 = uitofp nneg i32 %7 to double
  %sqrt = tail call double @llvm.sqrt.f64(double %8)
  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"="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 = { 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,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass