; LLVM IR from cvxpy/cvxpy :: cvxpy/cvxcore/src/LinOpOperations.ll (Z15sparse_selectoriiii)

; 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.Eigen::SparseMatrix" = type { %"class.Eigen::SparseCompressedBase", i64, i64, ptr, ptr, %"class.Eigen::internal::CompressedStorage" }
%"class.Eigen::SparseCompressedBase" = type { %"class.Eigen::SparseMatrixBase" }
%"class.Eigen::SparseMatrixBase" = type { i8 }
%"class.Eigen::internal::CompressedStorage" = type { ptr, ptr, i64, i64 }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5Eigen12SparseMatrixIdLi0EiED2Ev(ptr noundef nonnull align 8 dereferenceable(72)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5Eigen12SparseMatrixIdLi0EiEC2Ell(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, i64 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z15sparse_selectoriiii(ptr dead_on_unwind noalias writable sret(%"class.Eigen::SparseMatrix") align 8 %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) #2 personality ptr @__gxx_personality_v0 {
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i1, align 1
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  store ptr %0, ptr %6, align 8
  store i32 %1, ptr %7, align 4, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !5
  store i32 %4, ptr %10, align 4, !tbaa !5
  store i1 false, ptr %11, align 1
  %14 = load i32, ptr %7, align 4, !tbaa !5
  %15 = load i32, ptr %8, align 4, !tbaa !5
  %16 = mul nsw i32 %14, %15
  %17 = sext i32 %16 to i64
  call void @_ZN5Eigen12SparseMatrixIdLi0EiEC2Ell(ptr noundef nonnull align 8 dereferenceable(72) %0, i64 noundef %17, i64 noundef 1)
  %18 = load i32, ptr %9, align 4, !tbaa !5
  %19 = load i32, ptr %7, align 4, !tbaa !5
  %20 = load i32, ptr %10, align 4, !tbaa !5
  %21 = mul nsw i32 %19, %20
  %22 = add nsw i32 %18, %21
  %23 = sext i32 %22 to i64
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZN5Eigen12SparseMatrixIdLi0EiE6insertEll(ptr noundef nonnull align 8 dereferenceable(72) %0, i64 noundef %23, i64 noundef 0)
          to label %25 unwind label %27

25:                                               ; preds = %5
  store double 1.000000e+00, ptr %24, align 8, !tbaa !9
  store i1 true, ptr %11, align 1
  %26 = load i1, ptr %11, align 1
  br i1 %26, label %32, label %31

27:                                               ; preds = %5
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %12, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %13, align 4
  call void @_ZN5Eigen12SparseMatrixIdLi0EiED2Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) #3
  br label %33

31:                                               ; preds = %25
  call void @_ZN5Eigen12SparseMatrixIdLi0EiED2Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) #3
  br label %32

32:                                               ; preds = %31, %25
  ret void

33:                                               ; preds = %27
  %34 = load ptr, ptr %12, align 8
  %35 = load i32, ptr %13, align 4
  %36 = insertvalue { ptr, i32 } poison, ptr %34, 0
  %37 = insertvalue { ptr, i32 } %36, i32 %35, 1
  resume { ptr, i32 } %37
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN5Eigen12SparseMatrixIdLi0EiE6insertEll(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, i64 noundef) #2 align 2

attributes #0 = { inlinehint 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 = { inlinehint 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 #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" }
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 = !{!"double", !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"

%"class.Eigen::SparseMatrix" = type { %"class.Eigen::SparseCompressedBase", i64, i64, ptr, ptr, %"class.Eigen::internal::CompressedStorage" }
%"class.Eigen::SparseCompressedBase" = type { %"class.Eigen::SparseMatrixBase" }
%"class.Eigen::SparseMatrixBase" = type { i8 }
%"class.Eigen::internal::CompressedStorage" = type { ptr, ptr, i64, i64 }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5Eigen12SparseMatrixIdLi0EiED2Ev(ptr noundef nonnull align 8 dereferenceable(72)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5Eigen12SparseMatrixIdLi0EiEC2Ell(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, i64 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z15sparse_selectoriiii(ptr dead_on_unwind noalias nonnull writable sret(%"class.Eigen::SparseMatrix") align 8 %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %6 = mul nsw i32 %2, %1
  %7 = sext i32 %6 to i64
  tail call void @_ZN5Eigen12SparseMatrixIdLi0EiEC2Ell(ptr noundef nonnull align 8 dereferenceable(72) %0, i64 noundef %7, i64 noundef 1)
  %8 = mul nsw i32 %4, %1
  %9 = add nsw i32 %8, %3
  %10 = sext i32 %9 to i64
  %11 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZN5Eigen12SparseMatrixIdLi0EiE6insertEll(ptr noundef nonnull align 8 dereferenceable(72) %0, i64 noundef %10, i64 noundef 0)
          to label %12 unwind label %13

12:                                               ; preds = %5
  store double 1.000000e+00, ptr %11, align 8, !tbaa !5
  ret void

13:                                               ; preds = %5
  %14 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN5Eigen12SparseMatrixIdLi0EiED2Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) #3
  resume { ptr, i32 } %14
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN5Eigen12SparseMatrixIdLi0EiE6insertEll(ptr noundef nonnull align 8 dereferenceable(72), i64 noundef, i64 noundef) local_unnamed_addr #2 align 2

attributes #0 = { inlinehint 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 = { inlinehint 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 #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" }
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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass