; LLVM IR from mtsamis/box2d-optimized :: src/dynamics/b2_distance_joint.ll (ZNK15b2DistanceJoint16GetCurrentLengthEv)

; 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.b2Vec2 = type { float, float }
%class.b2Joint = type { ptr, i32, ptr, ptr, %struct.b2JointEdge, %struct.b2JointEdge, ptr, ptr, i32, i8, i8, %struct.b2JointUserData }
%struct.b2JointEdge = type { ptr, ptr, ptr, ptr }
%struct.b2JointUserData = type { i64 }
%class.b2DistanceJoint = type <{ %class.b2Joint, float, float, float, float, float, float, %struct.b2Vec2, %struct.b2Vec2, float, float, float, float, i32, i32, %struct.b2Vec2, %struct.b2Vec2, %struct.b2Vec2, %struct.b2Vec2, %struct.b2Vec2, float, float, float, float, float, float, float, [4 x i8] }>

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZmiRK6b2Vec2S1_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK6b2Vec26LengthEv(ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZNK6b2Body13GetWorldPointERK6b2Vec2(ptr noundef nonnull align 8 dereferenceable(208), ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZNK15b2DistanceJoint16GetCurrentLengthEv(ptr noundef nonnull align 8 dereferenceable(260) %0) #3 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %struct.b2Vec2, align 4
  %4 = alloca %struct.b2Vec2, align 4
  %5 = alloca %struct.b2Vec2, align 4
  %6 = alloca float, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %8 = getelementptr inbounds %class.b2Joint, ptr %7, i32 0, i32 6
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  %10 = getelementptr inbounds %class.b2DistanceJoint, ptr %7, i32 0, i32 7
  %11 = call <2 x float> @_ZNK6b2Body13GetWorldPointERK6b2Vec2(ptr noundef nonnull align 8 dereferenceable(208) %9, ptr noundef nonnull align 4 dereferenceable(8) %10)
  store <2 x float> %11, ptr %3, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %12 = getelementptr inbounds %class.b2Joint, ptr %7, i32 0, i32 7
  %13 = load ptr, ptr %12, align 8, !tbaa !17
  %14 = getelementptr inbounds %class.b2DistanceJoint, ptr %7, i32 0, i32 8
  %15 = call <2 x float> @_ZNK6b2Body13GetWorldPointERK6b2Vec2(ptr noundef nonnull align 8 dereferenceable(208) %13, ptr noundef nonnull align 4 dereferenceable(8) %14)
  store <2 x float> %15, ptr %4, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %16 = call <2 x float> @_ZmiRK6b2Vec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(8) %3)
  store <2 x float> %16, ptr %5, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %17 = call noundef float @_ZNK6b2Vec26LengthEv(ptr noundef nonnull align 4 dereferenceable(8) %5)
  store float %17, ptr %6, align 4, !tbaa !18
  %18 = load float, ptr %6, align 4, !tbaa !18
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret float %18
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { 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 #3 = { 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 #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, !6, i64 96}
!10 = !{!"_ZTS7b2Joint", !11, i64 8, !6, i64 16, !6, i64 24, !12, i64 32, !12, i64 64, !6, i64 96, !6, i64 104, !13, i64 112, !14, i64 116, !14, i64 117, !15, i64 120}
!11 = !{!"_ZTS11b2JointType", !7, i64 0}
!12 = !{!"_ZTS11b2JointEdge", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!13 = !{!"int", !7, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{!"_ZTS15b2JointUserData", !16, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!10, !6, i64 104}
!18 = !{!19, !19, i64 0}
!19 = !{!"float", !7, 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"

%struct.b2Vec2 = type { float, float }

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZmiRK6b2Vec2S1_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK6b2Vec26LengthEv(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZNK6b2Body13GetWorldPointERK6b2Vec2(ptr noundef nonnull align 8 dereferenceable(208), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZNK15b2DistanceJoint16GetCurrentLengthEv(ptr noundef nonnull align 8 dereferenceable(260) %0) local_unnamed_addr #3 align 2 {
  %2 = alloca %struct.b2Vec2, align 8
  %3 = alloca %struct.b2Vec2, align 8
  %4 = alloca %struct.b2Vec2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %5 = getelementptr inbounds i8, ptr %0, i64 96
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 152
  %8 = tail call <2 x float> @_ZNK6b2Body13GetWorldPointERK6b2Vec2(ptr noundef nonnull align 8 dereferenceable(208) %6, ptr noundef nonnull align 4 dereferenceable(8) %7)
  store <2 x float> %8, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %9 = getelementptr inbounds i8, ptr %0, i64 104
  %10 = load ptr, ptr %9, align 8, !tbaa !16
  %11 = getelementptr inbounds i8, ptr %0, i64 160
  %12 = tail call <2 x float> @_ZNK6b2Body13GetWorldPointERK6b2Vec2(ptr noundef nonnull align 8 dereferenceable(208) %10, ptr noundef nonnull align 4 dereferenceable(8) %11)
  store <2 x float> %12, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %13 = call <2 x float> @_ZmiRK6b2Vec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %3, ptr noundef nonnull align 4 dereferenceable(8) %2)
  store <2 x float> %13, ptr %4, align 8
  %14 = call noundef float @_ZNK6b2Vec26LengthEv(ptr noundef nonnull align 4 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  ret float %14
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { 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 #3 = { 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 #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, !10, i64 96}
!6 = !{!"_ZTS7b2Joint", !7, i64 8, !10, i64 16, !10, i64 24, !11, i64 32, !11, i64 64, !10, i64 96, !10, i64 104, !12, i64 112, !13, i64 116, !13, i64 117, !14, i64 120}
!7 = !{!"_ZTS11b2JointType", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"_ZTS11b2JointEdge", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!12 = !{!"int", !8, i64 0}
!13 = !{!"bool", !8, i64 0}
!14 = !{!"_ZTS15b2JointUserData", !15, i64 0}
!15 = !{!"long", !8, i64 0}
!16 = !{!6, !10, i64 104}


; Effective O3 passes: GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass