; LLVM IR from bbenligiray/stag :: src/ED/LineSegment.ll (Z17LineSegmentLengthP11LineSegment)

; 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.LineSegment = type { double, double, i32, double, double, double, double, i32, i32, i32 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_Z17LineSegmentLengthP11LineSegment(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca double, align 8
  %4 = alloca double, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.LineSegment, ptr %5, i32 0, i32 3
  %7 = load double, ptr %6, align 8, !tbaa !9
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.LineSegment, ptr %8, i32 0, i32 5
  %10 = load double, ptr %9, align 8, !tbaa !13
  %11 = fsub double %7, %10
  store double %11, ptr %3, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.LineSegment, ptr %12, i32 0, i32 4
  %14 = load double, ptr %13, align 8, !tbaa !15
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.LineSegment, ptr %15, i32 0, i32 6
  %17 = load double, ptr %16, align 8, !tbaa !16
  %18 = fsub double %14, %17
  store double %18, ptr %4, align 8, !tbaa !14
  %19 = load double, ptr %3, align 8, !tbaa !14
  %20 = load double, ptr %3, align 8, !tbaa !14
  %21 = load double, ptr %4, align 8, !tbaa !14
  %22 = load double, ptr %4, align 8, !tbaa !14
  %23 = fmul double %21, %22
  %24 = call double @llvm.fmuladd.f64(double %19, double %20, double %23)
  %25 = call double @sqrt(double noundef %24) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret double %25
}

; 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: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 24}
!10 = !{!"_ZTS11LineSegment", !11, i64 0, !11, i64 8, !12, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !11, i64 48, !12, i64 56, !12, i64 60, !12, i64 64}
!11 = !{!"double", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !11, i64 40}
!14 = !{!11, !11, i64 0}
!15 = !{!10, !11, i64 32}
!16 = !{!10, !11, i64 48}


; 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(argmem: read) uwtable
define dso_local noundef double @_Z17LineSegmentLengthP11LineSegment(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  %3 = load double, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 40
  %5 = load double, ptr %4, align 8, !tbaa !11
  %6 = fsub double %3, %5
  %7 = getelementptr inbounds i8, ptr %0, i64 32
  %8 = load double, ptr %7, align 8, !tbaa !12
  %9 = getelementptr inbounds i8, ptr %0, i64 48
  %10 = load double, ptr %9, align 8, !tbaa !13
  %11 = fsub double %8, %10
  %12 = fmul double %11, %11
  %13 = tail call double @llvm.fmuladd.f64(double %6, double %6, double %12)
  %sqrt = tail call double @llvm.sqrt.f64(double %13)
  ret double %sqrt
}

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.sqrt.f64(double) #2

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { 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)"}
!5 = !{!6, !7, i64 24}
!6 = !{!"_ZTS11LineSegment", !7, i64 0, !7, i64 8, !10, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !10, i64 56, !10, i64 60, !10, i64 64}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 40}
!12 = !{!6, !7, i64 32}
!13 = !{!6, !7, i64 48}


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