; LLVM IR from MtSaka/library :: test/aoj/CGL/CGL_1_A.test.ll (ZN8geometry9intersectENS_4lineENS_7segmentE)

; 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.geometry::point" = type { x86_fp80, x86_fp80 }
%"struct.geometry::line" = type { %"struct.geometry::point", %"struct.geometry::point" }
%"struct.geometry::segment" = type { %"struct.geometry::point", %"struct.geometry::point" }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN8geometry4signEe(x86_fp80 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_ZN8geometry5crossENS_5pointES0_(ptr noundef byval(%"struct.geometry::point") align 16, ptr noundef byval(%"struct.geometry::point") align 16) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32), ptr noundef nonnull align 16 dereferenceable(32)) #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN8geometry9intersectENS_4lineENS_7segmentE(ptr noundef byval(%"struct.geometry::line") align 16 %0, ptr noundef byval(%"struct.geometry::segment") align 16 %1) #2 {
  %3 = alloca %"struct.geometry::point", align 16
  %4 = alloca %"struct.geometry::point", align 16
  %5 = alloca %"struct.geometry::point", align 16
  %6 = alloca %"struct.geometry::point", align 16
  %7 = getelementptr inbounds %"struct.geometry::line", ptr %0, i32 0, i32 0
  %8 = getelementptr inbounds %"struct.geometry::segment", ptr %1, i32 0, i32 0
  %9 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32) %8, ptr noundef nonnull align 16 dereferenceable(32) %7)
  %10 = getelementptr inbounds %"struct.geometry::line", ptr %0, i32 0, i32 0
  %11 = getelementptr inbounds %"struct.geometry::segment", ptr %1, i32 0, i32 1
  %12 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32) %11, ptr noundef nonnull align 16 dereferenceable(32) %10)
  %13 = getelementptr inbounds %"struct.geometry::line", ptr %0, i32 0, i32 0
  %14 = getelementptr inbounds %"struct.geometry::line", ptr %0, i32 0, i32 1
  %15 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32) %14, ptr noundef nonnull align 16 dereferenceable(32) %13)
  %16 = getelementptr inbounds %"struct.geometry::line", ptr %0, i32 0, i32 0
  %17 = getelementptr inbounds %"struct.geometry::line", ptr %0, i32 0, i32 0
  %18 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32) %17, ptr noundef nonnull align 16 dereferenceable(32) %16)
  %19 = getelementptr inbounds %"struct.geometry::line", ptr %0, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %3, ptr align 16 %19, i64 32, i1 false), !tbaa.struct !5
  %20 = getelementptr inbounds %"struct.geometry::segment", ptr %1, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %4, ptr align 16 %20, i64 32, i1 false), !tbaa.struct !5
  %21 = call noundef x86_fp80 @_ZN8geometry5crossENS_5pointES0_(ptr noundef byval(%"struct.geometry::point") align 16 %3, ptr noundef byval(%"struct.geometry::point") align 16 %4)
  %22 = getelementptr inbounds %"struct.geometry::line", ptr %0, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %5, ptr align 16 %22, i64 32, i1 false), !tbaa.struct !5
  %23 = getelementptr inbounds %"struct.geometry::segment", ptr %1, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %6, ptr align 16 %23, i64 32, i1 false), !tbaa.struct !5
  %24 = call noundef x86_fp80 @_ZN8geometry5crossENS_5pointES0_(ptr noundef byval(%"struct.geometry::point") align 16 %5, ptr noundef byval(%"struct.geometry::point") align 16 %6)
  %25 = fmul x86_fp80 %21, %24
  %26 = call noundef i32 @_ZN8geometry4signEe(x86_fp80 noundef %25)
  %27 = icmp ne i32 %26, 1
  ret i1 %27
}

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 nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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" }

!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 = !{i64 0, i64 16, !6, i64 16, i64 16, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"long double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"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"

%"struct.geometry::point" = type { x86_fp80, x86_fp80 }
%"struct.geometry::line" = type { %"struct.geometry::point", %"struct.geometry::point" }
%"struct.geometry::segment" = type { %"struct.geometry::point", %"struct.geometry::point" }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN8geometry4signEe(x86_fp80 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_ZN8geometry5crossENS_5pointES0_(ptr noundef byval(%"struct.geometry::point") align 16, ptr noundef byval(%"struct.geometry::point") align 16) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32), ptr noundef nonnull align 16 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN8geometry9intersectENS_4lineENS_7segmentE(ptr noundef nonnull byval(%"struct.geometry::line") align 16 %0, ptr noundef nonnull byval(%"struct.geometry::segment") align 16 %1) local_unnamed_addr #0 {
  %3 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull align 16 dereferenceable(32) %0)
  %4 = getelementptr inbounds i8, ptr %1, i64 32
  %5 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32) %4, ptr noundef nonnull align 16 dereferenceable(32) %0)
  %6 = getelementptr inbounds i8, ptr %0, i64 32
  %7 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32) %6, ptr noundef nonnull align 16 dereferenceable(32) %0)
  %8 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZN8geometry5pointmIERKS0_(ptr noundef nonnull align 16 dereferenceable(32) %0, ptr noundef nonnull align 16 dereferenceable(32) %0)
  %9 = call noundef x86_fp80 @_ZN8geometry5crossENS_5pointES0_(ptr noundef nonnull byval(%"struct.geometry::point") align 16 %6, ptr noundef nonnull byval(%"struct.geometry::point") align 16 %1)
  %10 = call noundef x86_fp80 @_ZN8geometry5crossENS_5pointES0_(ptr noundef nonnull byval(%"struct.geometry::point") align 16 %6, ptr noundef nonnull byval(%"struct.geometry::point") align 16 %4)
  %11 = fmul x86_fp80 %9, %10
  %12 = call noundef i32 @_ZN8geometry4signEe(x86_fp80 noundef %11)
  %13 = icmp ne i32 %12, 1
  ret i1 %13
}

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" }

!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)"}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass