; LLVM IR from wesley-a-leung/Resources :: Tests/C++/geometry/2d/ConvexPolygonFuzzTest.ll (Z8getArea2RKSt6vectorI2ptSaIS0_EE)

; 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.pt = type { x86_fp80, x86_fp80 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_Z5cross2ptS_(ptr noundef byval(%struct.pt) align 16, ptr noundef byval(%struct.pt) align 16) #0

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI2ptSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3modii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef x86_fp80 @_Z8getArea2RKSt6vectorI2ptSaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca x86_fp80, align 16
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %struct.pt, align 16
  %7 = alloca %struct.pt, align 16
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %3) #3
  store x86_fp80 0xK00000000000000000000, ptr %3, align 16, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = call noundef i64 @_ZNKSt6vectorI2ptSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #3
  %10 = trunc i64 %9 to i32
  store i32 %10, ptr %4, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !11
  br label %11

11:                                               ; preds = %31, %1
  %12 = load i32, ptr %5, align 4, !tbaa !11
  %13 = load i32, ptr %4, align 4, !tbaa !11
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %34

16:                                               ; preds = %11
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = load i32, ptr %5, align 4, !tbaa !11
  %19 = sext i32 %18 to i64
  %20 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZNKSt6vectorI2ptSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %19) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %6, ptr align 16 %20, i64 32, i1 false), !tbaa.struct !13
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = load i32, ptr %5, align 4, !tbaa !11
  %23 = add nsw i32 %22, 1
  %24 = load i32, ptr %4, align 4, !tbaa !11
  %25 = call noundef i32 @_Z3modii(i32 noundef %23, i32 noundef %24)
  %26 = sext i32 %25 to i64
  %27 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZNKSt6vectorI2ptSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %21, i64 noundef %26) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %7, ptr align 16 %27, i64 32, i1 false), !tbaa.struct !13
  %28 = call noundef x86_fp80 @_Z5cross2ptS_(ptr noundef byval(%struct.pt) align 16 %6, ptr noundef byval(%struct.pt) align 16 %7)
  %29 = load x86_fp80, ptr %3, align 16, !tbaa !9
  %30 = fadd x86_fp80 %29, %28
  store x86_fp80 %30, ptr %3, align 16, !tbaa !9
  br label %31

31:                                               ; preds = %16
  %32 = load i32, ptr %5, align 4, !tbaa !11
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %5, align 4, !tbaa !11
  br label %11, !llvm.loop !14

34:                                               ; preds = %15
  %35 = load x86_fp80, ptr %3, align 16, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #3
  ret x86_fp80 %35
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZNKSt6vectorI2ptSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync 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 = !{!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 = !{!"long double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{i64 0, i64 16, !9, i64 16, i64 16, !9}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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.pt = type { x86_fp80, x86_fp80 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_Z5cross2ptS_(ptr noundef byval(%struct.pt) align 16, ptr noundef byval(%struct.pt) align 16) local_unnamed_addr #0

; Function Attrs: mustprogress 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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI2ptSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3modii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef x86_fp80 @_Z8getArea2RKSt6vectorI2ptSaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) local_unnamed_addr #0 {
  %2 = alloca %struct.pt, align 16
  %3 = tail call noundef i64 @_ZNKSt6vectorI2ptSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %4 = trunc i64 %3 to i32
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %1
  %wide.trip.count = and i64 %3, 2147483647
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %1
  %.010.lcssa = phi x86_fp80 [ 0xK00000000000000000000, %1 ], [ %12, %.lr.ph ]
  ret x86_fp80 %.010.lcssa

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %.01012 = phi x86_fp80 [ 0xK00000000000000000000, %.lr.ph.preheader ], [ %12, %.lr.ph ]
  %6 = tail call noundef nonnull align 16 dereferenceable(32) ptr @_ZNKSt6vectorI2ptSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #2
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %2, ptr noundef nonnull align 16 dereferenceable(32) %6, i64 32, i1 false), !tbaa.struct !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %7 = trunc nuw nsw i64 %indvars.iv.next to i32
  %8 = tail call noundef i32 @_Z3modii(i32 noundef %7, i32 noundef %4)
  %9 = sext i32 %8 to i64
  %10 = tail call noundef nonnull align 16 dereferenceable(32) ptr @_ZNKSt6vectorI2ptSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %9) #2
  %11 = tail call noundef x86_fp80 @_Z5cross2ptS_(ptr noundef nonnull byval(%struct.pt) align 16 %2, ptr noundef nonnull byval(%struct.pt) align 16 %10)
  %12 = fadd x86_fp80 %.01012, %11
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !10
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZNKSt6vectorI2ptSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 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 = { mustprogress nocallback nofree 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 = !{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"}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,MemCpyOptPass,SROAPass,SimplifyCFGPass,TailCallElimPass