; LLVM IR from raphaelsenn/elastic-collision :: src/vector2.ll (ZN7Vector2eqES_)

; 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.Vector2 = type { double, double }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN7Vector2eqES_(ptr noundef nonnull align 8 dereferenceable(16) %0, double %1, double %2) #0 align 2 {
  %4 = alloca i1, align 1
  %5 = alloca %class.Vector2, align 8
  %6 = alloca ptr, align 8
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  %9 = alloca i32, align 4
  %10 = getelementptr inbounds { double, double }, ptr %5, i32 0, i32 0
  store double %1, ptr %10, align 8
  %11 = getelementptr inbounds { double, double }, ptr %5, i32 0, i32 1
  store double %2, ptr %11, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %13 = getelementptr inbounds %class.Vector2, ptr %12, i32 0, i32 0
  %14 = load double, ptr %13, align 8, !tbaa !9
  %15 = getelementptr inbounds %class.Vector2, ptr %5, i32 0, i32 0
  %16 = load double, ptr %15, align 8, !tbaa !9
  %17 = fsub double %14, %16
  %18 = call noundef double @_ZSt3absd(double noundef %17)
  store double %18, ptr %7, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %19 = getelementptr inbounds %class.Vector2, ptr %12, i32 0, i32 1
  %20 = load double, ptr %19, align 8, !tbaa !13
  %21 = getelementptr inbounds %class.Vector2, ptr %5, i32 0, i32 1
  %22 = load double, ptr %21, align 8, !tbaa !13
  %23 = fsub double %20, %22
  %24 = call noundef double @_ZSt3absd(double noundef %23)
  store double %24, ptr %8, align 8, !tbaa !12
  %25 = load double, ptr %7, align 8, !tbaa !12
  %26 = fcmp olt double %25, 0x3EB0C6F7A0B5ED8D
  br i1 %26, label %27, label %31

27:                                               ; preds = %3
  %28 = load double, ptr %8, align 8, !tbaa !12
  %29 = fcmp olt double %28, 0x3EB0C6F7A0B5ED8D
  br i1 %29, label %30, label %31

30:                                               ; preds = %27
  store i1 true, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %32

31:                                               ; preds = %27, %3
  store i1 false, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %32

32:                                               ; preds = %31, %30
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  %33 = load i1, ptr %4, align 1
  ret i1 %33
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt3absd(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 = { mustprogress 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 = { 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 #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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS7Vector2", !11, i64 0, !11, i64 8}
!11 = !{!"double", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !11, i64 8}


; 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 zeroext i1 @_ZN7Vector2eqES_(ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %0, double %1, double %2) local_unnamed_addr #0 align 2 {
  %4 = load double, ptr %0, align 8, !tbaa !5
  %5 = fsub double %4, %1
  %6 = tail call noundef double @_ZSt3absd(double noundef %5)
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load double, ptr %7, align 8, !tbaa !10
  %9 = fsub double %8, %2
  %10 = tail call noundef double @_ZSt3absd(double noundef %9)
  %11 = fcmp olt double %6, 0x3EB0C6F7A0B5ED8D
  %12 = fcmp olt double %10, 0x3EB0C6F7A0B5ED8D
  %or.cond = and i1 %11, %12
  ret i1 %or.cond
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt3absd(double noundef) local_unnamed_addr #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 = { 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)"}
!5 = !{!6, !7, i64 0}
!6 = !{!"_ZTS7Vector2", !7, i64 0, !7, i64 8}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 8}


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