; LLVM IR from ritikbanger/Hacktoberfest2022-DSA :: 30. CPP Programs/Geometry/ConvexHull.ll (Z25signedAreaOfParallelogram5PointS_S_)

; 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.Point = type { i64, i64, i64 }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5cross5PointS_(ptr dead_on_unwind noalias writable sret(%class.Point) align 8, ptr noundef byval(%class.Point) align 8, ptr noundef byval(%class.Point) align 8) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z25signedAreaOfParallelogram5PointS_S_(ptr noundef byval(%class.Point) align 8 %0, ptr noundef byval(%class.Point) align 8 %1, ptr noundef byval(%class.Point) align 8 %2) #0 {
  %4 = alloca i64, align 8
  %5 = alloca %class.Point, align 8
  %6 = alloca %class.Point, align 8
  %7 = alloca %class.Point, align 8
  %8 = alloca %class.Point, align 8
  %9 = alloca %class.Point, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %7, ptr align 8 %0, i64 24, i1 false), !tbaa.struct !5
  call void @_ZN5PointmiES_(ptr dead_on_unwind writable sret(%class.Point) align 8 %6, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef byval(%class.Point) align 8 %7)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %1, i64 24, i1 false), !tbaa.struct !5
  call void @_ZN5PointmiES_(ptr dead_on_unwind writable sret(%class.Point) align 8 %8, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef byval(%class.Point) align 8 %9)
  call void @_Z5cross5PointS_(ptr dead_on_unwind writable sret(%class.Point) align 8 %5, ptr noundef byval(%class.Point) align 8 %6, ptr noundef byval(%class.Point) align 8 %8)
  %10 = getelementptr inbounds %class.Point, ptr %5, i32 0, i32 2
  %11 = load i64, ptr %10, align 8, !tbaa !10
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #3
  store i64 %11, ptr %4, align 8, !tbaa !6
  %12 = load i64, ptr %4, align 8, !tbaa !6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  ret i64 %12
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5PointmiES_(ptr dead_on_unwind noalias writable sret(%class.Point) align 8, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef byval(%class.Point) align 8) #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) #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{i64 0, i64 8, !6, i64 8, i64 8, !6, i64 16, i64 8, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"long long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !7, i64 16}
!11 = !{!"_ZTS5Point", !7, i64 0, !7, i64 8, !7, i64 16}


; 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"

%class.Point = type { i64, i64, i64 }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5cross5PointS_(ptr dead_on_unwind noalias writable sret(%class.Point) align 8, ptr noundef byval(%class.Point) align 8, ptr noundef byval(%class.Point) align 8) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z25signedAreaOfParallelogram5PointS_S_(ptr nocapture noundef readonly byval(%class.Point) align 8 %0, ptr noundef nonnull byval(%class.Point) align 8 %1, ptr noundef byval(%class.Point) align 8 %2) local_unnamed_addr #0 {
  %4 = alloca %class.Point, align 8
  %5 = alloca %class.Point, align 8
  %6 = alloca %class.Point, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #2
  call void @_ZN5PointmiES_(ptr dead_on_unwind nonnull writable sret(%class.Point) align 8 %5, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull byval(%class.Point) align 8 %0)
  call void @_ZN5PointmiES_(ptr dead_on_unwind nonnull writable sret(%class.Point) align 8 %6, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull byval(%class.Point) align 8 %1)
  call void @_Z5cross5PointS_(ptr dead_on_unwind nonnull writable sret(%class.Point) align 8 %4, ptr noundef nonnull byval(%class.Point) align 8 %5, ptr noundef nonnull byval(%class.Point) align 8 %6)
  %7 = getelementptr inbounds i8, ptr %4, i64 16
  %8 = load i64, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #2
  ret i64 %8
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5PointmiES_(ptr dead_on_unwind noalias writable sret(%class.Point) align 8, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef byval(%class.Point) align 8) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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, !7, i64 16}
!6 = !{!"_ZTS5Point", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"long long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


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