; LLVM IR from bqi343/cp-notebook :: Implementations/content/geometry (13)/3D/death_conveyor.ll (Z4conjSt5arrayIeLm4EE)

; 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.std::array" = type { [4 x x86_fp80] }

; 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 noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt5arrayIeLm4EEixEm(ptr noundef nonnull align 16 dereferenceable(64), i64 noundef) #1 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: mustprogress nounwind uwtable
define dso_local void @_Z4conjSt5arrayIeLm4EE(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16 %0, ptr noundef byval(%"struct.std::array") align 16 %1) #1 {
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %4

4:                                                ; preds = %14, %2
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %6 = icmp slt i32 %5, 3
  br i1 %6, label %8, label %7

7:                                                ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %17

8:                                                ; preds = %4
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = call noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt5arrayIeLm4EEixEm(ptr noundef nonnull align 16 dereferenceable(64) %1, i64 noundef %10) #3
  %12 = load x86_fp80, ptr %11, align 16, !tbaa !9
  %13 = fmul x86_fp80 %12, 0xKBFFF8000000000000000
  store x86_fp80 %13, ptr %11, align 16, !tbaa !9
  br label %14

14:                                               ; preds = %8
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %3, align 4, !tbaa !5
  br label %4, !llvm.loop !11

17:                                               ; preds = %7
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %0, ptr align 16 %1, i64 64, i1 false), !tbaa.struct !13
  ret void
}

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 = { 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 = !{!6, !6, i64 0}
!6 = !{!"int", !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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{i64 0, i64 64, !14}
!14 = !{!7, !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"

%"struct.std::array" = type { [4 x x86_fp80] }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt5arrayIeLm4EEixEm(ptr noundef nonnull align 16 dereferenceable(64), i64 noundef) local_unnamed_addr #0 align 2

; 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
define dso_local void @_Z4conjSt5arrayIeLm4EE(ptr dead_on_unwind noalias nocapture writable writeonly sret(%"struct.std::array") align 16 %0, ptr noundef nonnull byval(%"struct.std::array") align 16 %1) local_unnamed_addr #0 {
  %3 = call noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt5arrayIeLm4EEixEm(ptr noundef nonnull align 16 dereferenceable(64) %1, i64 noundef 0) #2
  %4 = load x86_fp80, ptr %3, align 16, !tbaa !5
  %5 = fneg x86_fp80 %4
  store x86_fp80 %5, ptr %3, align 16, !tbaa !5
  %6 = call noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt5arrayIeLm4EEixEm(ptr noundef nonnull align 16 dereferenceable(64) %1, i64 noundef 1) #2
  %7 = load x86_fp80, ptr %6, align 16, !tbaa !5
  %8 = fneg x86_fp80 %7
  store x86_fp80 %8, ptr %6, align 16, !tbaa !5
  %9 = call noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt5arrayIeLm4EEixEm(ptr noundef nonnull align 16 dereferenceable(64) %1, i64 noundef 2) #2
  %10 = load x86_fp80, ptr %9, align 16, !tbaa !5
  %11 = fneg x86_fp80 %10
  store x86_fp80 %11, ptr %9, align 16, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %0, ptr noundef nonnull align 16 dereferenceable(64) %1, i64 64, i1 false), !tbaa.struct !9
  ret void
}

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 = !{!6, !6, i64 0}
!6 = !{!"long double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i64 0, i64 64, !10}
!10 = !{!7, !7, i64 0}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass