; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R3Graphics/R3Camera.ll (Z16R3CompareCamerasPKvS0_)

; 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"

; 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: mustprogress uwtable
define dso_local noundef i32 @_Z16R3CompareCamerasPKvS0_(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  store ptr %10, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = load ptr, ptr %11, align 8, !tbaa !5
  store ptr %12, ptr %7, align 8, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144) %13)
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = call noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144) %15)
  %17 = fcmp ogt double %14, %16
  br i1 %17, label %18, label %19

18:                                               ; preds = %2
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %28

19:                                               ; preds = %2
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = call noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144) %20)
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = call noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144) %22)
  %24 = fcmp olt double %21, %23
  br i1 %24, label %25, label %26

25:                                               ; preds = %19
  store i32 1, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %28

26:                                               ; preds = %19
  br label %27

27:                                               ; preds = %26
  store i32 0, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %28

28:                                               ; preds = %27, %25, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %29 = load i32, ptr %3, align 4
  ret i32 %29
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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"}


; 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 range(i32 -1, 2) i32 @_Z16R3CompareCamerasPKvS0_(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = load ptr, ptr %1, align 8, !tbaa !5
  %5 = tail call noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144) %3)
  %6 = tail call noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144) %4)
  %7 = fcmp ogt double %5, %6
  br i1 %7, label %12, label %8

8:                                                ; preds = %2
  %9 = tail call noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144) %3)
  %10 = tail call noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144) %4)
  %11 = fcmp olt double %9, %10
  %. = zext i1 %11 to i32
  br label %12

12:                                               ; preds = %8, %2
  %.0 = phi i32 [ -1, %2 ], [ %., %8 ]
  ret i32 %.0
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK8R3Camera5ValueEv(ptr noundef nonnull align 8 dereferenceable(144)) local_unnamed_addr #1 align 2

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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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