; LLVM IR from ox-vgg/vise :: src/search_engine/relja_retrival/external/KMCode_relja/homography (homography)

; 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 nounwind uwtable
declare dso_local void @_Z9getHPointffP6MatrixRfS1_(float noundef, float noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK6Corner4getXEv(ptr noundef nonnull align 4 dereferenceable(88)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK6Corner4getYEv(ptr noundef nonnull align 4 dereferenceable(88)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt4sqrtf(float noundef) #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z10checkHomogP16CornerDescriptorS0_P6MatrixfRf(ptr noundef %0, ptr noundef %1, ptr noundef %2, float noundef %3, ptr noundef nonnull align 4 dereferenceable(4) %4) #4 {
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca float, align 4
  %11 = alloca ptr, align 8
  %12 = alloca float, align 4
  %13 = alloca float, align 4
  %14 = alloca float, align 4
  %15 = alloca float, align 4
  %16 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store ptr %2, ptr %9, align 8, !tbaa !5
  store float %3, ptr %10, align 4, !tbaa !9
  store ptr %4, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = call noundef float @_ZNK6Corner4getXEv(ptr noundef nonnull align 4 dereferenceable(88) %17)
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = call noundef float @_ZNK6Corner4getYEv(ptr noundef nonnull align 4 dereferenceable(88) %19)
  %21 = load ptr, ptr %9, align 8, !tbaa !5
  call void @_Z9getHPointffP6MatrixRfS1_(float noundef %18, float noundef %20, ptr noundef %21, ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %13)
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = call noundef float @_ZNK6Corner4getXEv(ptr noundef nonnull align 4 dereferenceable(88) %22)
  %24 = load float, ptr %12, align 4, !tbaa !9
  %25 = fsub float %23, %24
  store float %25, ptr %14, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #5
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = call noundef float @_ZNK6Corner4getYEv(ptr noundef nonnull align 4 dereferenceable(88) %26)
  %28 = load float, ptr %13, align 4, !tbaa !9
  %29 = fsub float %27, %28
  store float %29, ptr %15, align 4, !tbaa !9
  %30 = load float, ptr %14, align 4, !tbaa !9
  %31 = load float, ptr %14, align 4, !tbaa !9
  %32 = load float, ptr %15, align 4, !tbaa !9
  %33 = load float, ptr %15, align 4, !tbaa !9
  %34 = fmul float %32, %33
  %35 = call float @llvm.fmuladd.f32(float %30, float %31, float %34)
  %36 = call noundef float @_ZSt4sqrtf(float noundef %35)
  %37 = load ptr, ptr %11, align 8, !tbaa !5
  store float %36, ptr %37, align 4, !tbaa !9
  %38 = load ptr, ptr %11, align 8, !tbaa !5
  %39 = load float, ptr %38, align 4, !tbaa !9
  %40 = load float, ptr %10, align 4, !tbaa !9
  %41 = fcmp olt float %39, %40
  br i1 %41, label %42, label %43

42:                                               ; preds = %5
  store i32 1, ptr %6, align 4
  store i32 1, ptr %16, align 4
  br label %44

43:                                               ; preds = %5
  store i32 0, ptr %6, align 4
  store i32 1, ptr %16, align 4
  br label %44

44:                                               ; preds = %43, %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  %45 = load i32, ptr %6, align 4
  ret i32 %45
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 #5 = { 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, !10, i64 0}
!10 = !{!"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"

; 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: mustprogress nounwind uwtable
declare dso_local void @_Z9getHPointffP6MatrixRfS1_(float noundef, float noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK6Corner4getXEv(ptr noundef nonnull align 4 dereferenceable(88)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK6Corner4getYEv(ptr noundef nonnull align 4 dereferenceable(88)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt4sqrtf(float noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #3

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i32 0, 2) i32 @_Z10checkHomogP16CornerDescriptorS0_P6MatrixfRf(ptr noundef nonnull %0, ptr noundef %1, ptr noundef %2, float noundef %3, ptr nocapture noundef nonnull writeonly align 4 dereferenceable(4) %4) local_unnamed_addr #1 {
  %6 = alloca float, align 4
  %7 = alloca float, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #4
  %8 = tail call noundef float @_ZNK6Corner4getXEv(ptr noundef nonnull align 4 dereferenceable(88) %0)
  %9 = tail call noundef float @_ZNK6Corner4getYEv(ptr noundef nonnull align 4 dereferenceable(88) %0)
  call void @_Z9getHPointffP6MatrixRfS1_(float noundef %8, float noundef %9, ptr noundef %2, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %10 = call noundef float @_ZNK6Corner4getXEv(ptr noundef nonnull align 4 dereferenceable(88) %1)
  %11 = load float, ptr %6, align 4, !tbaa !5
  %12 = fsub float %10, %11
  %13 = call noundef float @_ZNK6Corner4getYEv(ptr noundef nonnull align 4 dereferenceable(88) %1)
  %14 = load float, ptr %7, align 4, !tbaa !5
  %15 = fsub float %13, %14
  %16 = fmul float %15, %15
  %17 = call float @llvm.fmuladd.f32(float %12, float %12, float %16)
  %18 = call noundef float @_ZSt4sqrtf(float noundef %17)
  store float %18, ptr %4, align 4, !tbaa !5
  %19 = fcmp olt float %18, %3
  %. = zext i1 %19 to i32
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  ret i32 %.
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { mustprogress 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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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