; LLVM IR from MtSaka/library :: test/aoj/CGL/CGL_1_A.test.ll (ZN8geometry9intersectENS_4lineES0_)

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

; 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) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN8geometry10line_placeENS_4lineES0_(ptr noundef byval(%"struct.geometry::line") align 16, ptr noundef byval(%"struct.geometry::line") align 16) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN8geometry9intersectENS_4lineES0_(ptr noundef byval(%"struct.geometry::line") align 16 %0, ptr noundef byval(%"struct.geometry::line") align 16 %1) #1 {
  %3 = alloca %"struct.geometry::line", align 16
  %4 = alloca %"struct.geometry::line", align 16
  %5 = alloca %"struct.geometry::line", align 16
  %6 = alloca %"struct.geometry::line", align 16
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %3, ptr align 16 %0, i64 64, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %4, ptr align 16 %1, i64 64, i1 false), !tbaa.struct !5
  %7 = call noundef i32 @_ZN8geometry10line_placeENS_4lineES0_(ptr noundef byval(%"struct.geometry::line") align 16 %3, ptr noundef byval(%"struct.geometry::line") align 16 %4)
  %8 = icmp ne i32 %7, 1
  br i1 %8, label %9, label %12

9:                                                ; preds = %2
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %5, ptr align 16 %0, i64 64, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %6, ptr align 16 %1, i64 64, i1 false), !tbaa.struct !5
  %10 = call noundef i32 @_ZN8geometry10line_placeENS_4lineES0_(ptr noundef byval(%"struct.geometry::line") align 16 %5, ptr noundef byval(%"struct.geometry::line") align 16 %6)
  %11 = icmp ne i32 %10, 2
  br label %12

12:                                               ; preds = %9, %2
  %13 = phi i1 [ false, %2 ], [ %11, %9 ]
  ret i1 %13
}

attributes #0 = { nocallback nofree 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" }

!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, i64 32, i64 16, !6, i64 48, 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::line" = type { %"struct.geometry::point", %"struct.geometry::point" }
%"struct.geometry::point" = type { x86_fp80, x86_fp80 }

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN8geometry10line_placeENS_4lineES0_(ptr noundef byval(%"struct.geometry::line") align 16, ptr noundef byval(%"struct.geometry::line") align 16) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN8geometry9intersectENS_4lineES0_(ptr nocapture noundef readonly byval(%"struct.geometry::line") align 16 %0, ptr nocapture noundef readonly byval(%"struct.geometry::line") align 16 %1) local_unnamed_addr #0 {
  %3 = tail call noundef i32 @_ZN8geometry10line_placeENS_4lineES0_(ptr noundef nonnull byval(%"struct.geometry::line") align 16 %0, ptr noundef nonnull byval(%"struct.geometry::line") align 16 %1)
  %.not = icmp eq i32 %3, 1
  br i1 %.not, label %7, label %4

4:                                                ; preds = %2
  %5 = tail call noundef i32 @_ZN8geometry10line_placeENS_4lineES0_(ptr noundef nonnull byval(%"struct.geometry::line") align 16 %0, ptr noundef nonnull byval(%"struct.geometry::line") align 16 %1)
  %6 = icmp ne i32 %5, 2
  br label %7

7:                                                ; preds = %4, %2
  %8 = phi i1 [ false, %2 ], [ %6, %4 ]
  ret i1 %8
}

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" }

!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,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,TailCallElimPass