; LLVM IR from sp-nitech/SPTK :: src/math/matrix.ll (ZN4sptk6MatrixaSERKS0_)

; 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.sptk::Matrix" = type { ptr, i32, i32, %"class.std::vector", %"class.std::vector.0" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<double *, std::allocator<double *>>::_Vector_impl" }
%"struct.std::_Vector_base<double *, std::allocator<double *>>::_Vector_impl" = type { %"struct.std::_Vector_base<double *, std::allocator<double *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double *, std::allocator<double *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPdSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPdSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(64) ptr @_ZN4sptk6MatrixaSERKS0_(ptr noundef nonnull align 8 dereferenceable(64) %0, ptr noundef nonnull align 8 dereferenceable(64) %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = icmp ne ptr %6, %7
  br i1 %8, label %9, label %48

9:                                                ; preds = %2
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %"class.sptk::Matrix", ptr %10, i32 0, i32 1
  %12 = load i32, ptr %11, align 8, !tbaa !9
  %13 = getelementptr inbounds %"class.sptk::Matrix", ptr %6, i32 0, i32 1
  store i32 %12, ptr %13, align 8, !tbaa !9
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %"class.sptk::Matrix", ptr %14, i32 0, i32 2
  %16 = load i32, ptr %15, align 4, !tbaa !20
  %17 = getelementptr inbounds %"class.sptk::Matrix", ptr %6, i32 0, i32 2
  store i32 %16, ptr %17, align 4, !tbaa !20
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %"class.sptk::Matrix", ptr %18, i32 0, i32 3
  %20 = getelementptr inbounds %"class.sptk::Matrix", ptr %6, i32 0, i32 3
  %21 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIdSaIdEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %20, ptr noundef nonnull align 8 dereferenceable(24) %19)
  %22 = getelementptr inbounds %"class.sptk::Matrix", ptr %6, i32 0, i32 4
  %23 = getelementptr inbounds %"class.sptk::Matrix", ptr %6, i32 0, i32 1
  %24 = load i32, ptr %23, align 8, !tbaa !9
  %25 = sext i32 %24 to i64
  call void @_ZNSt6vectorIPdSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %22, i64 noundef %25)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !21
  br label %26

26:                                               ; preds = %44, %9
  %27 = load i32, ptr %5, align 4, !tbaa !21
  %28 = getelementptr inbounds %"class.sptk::Matrix", ptr %6, i32 0, i32 1
  %29 = load i32, ptr %28, align 8, !tbaa !9
  %30 = icmp slt i32 %27, %29
  br i1 %30, label %32, label %31

31:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %47

32:                                               ; preds = %26
  %33 = getelementptr inbounds %"class.sptk::Matrix", ptr %6, i32 0, i32 3
  %34 = load i32, ptr %5, align 4, !tbaa !21
  %35 = getelementptr inbounds %"class.sptk::Matrix", ptr %6, i32 0, i32 2
  %36 = load i32, ptr %35, align 4, !tbaa !20
  %37 = mul nsw i32 %34, %36
  %38 = sext i32 %37 to i64
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %33, i64 noundef %38) #3
  %40 = getelementptr inbounds %"class.sptk::Matrix", ptr %6, i32 0, i32 4
  %41 = load i32, ptr %5, align 4, !tbaa !21
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPdSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %40, i64 noundef %42) #3
  store ptr %39, ptr %43, align 8, !tbaa !5
  br label %44

44:                                               ; preds = %32
  %45 = load i32, ptr %5, align 4, !tbaa !21
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %5, align 4, !tbaa !21
  br label %26, !llvm.loop !22

47:                                               ; preds = %31
  br label %48

48:                                               ; preds = %47, %2
  ret ptr %6
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIdSaIdEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

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 = { 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 #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, !11, i64 8}
!10 = !{!"_ZTSN4sptk6MatrixE", !11, i64 8, !11, i64 12, !12, i64 16, !16, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTSSt6vectorIdSaIdEE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!16 = !{!"_ZTSSt6vectorIPdSaIS0_EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseIPdSaIS0_EE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIPdSaIS0_EE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIPdSaIS0_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!20 = !{!10, !11, i64 12}
!21 = !{!11, !11, i64 0}
!22 = distinct !{!22, !23}
!23 = !{!"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"

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPdSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPdSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(64) ptr @_ZN4sptk6MatrixaSERKS0_(ptr noundef nonnull returned align 8 dereferenceable(64) %0, ptr noundef nonnull align 8 dereferenceable(64) %1) local_unnamed_addr #0 align 2 {
  %.not = icmp eq ptr %0, %1
  br i1 %.not, label %.loopexit, label %3

3:                                                ; preds = %2
  %4 = getelementptr inbounds i8, ptr %1, i64 8
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = getelementptr inbounds i8, ptr %0, i64 12
  %7 = load <2 x i32>, ptr %4, align 8, !tbaa !5
  store <2 x i32> %7, ptr %5, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %1, i64 16
  %9 = getelementptr inbounds i8, ptr %0, i64 16
  %10 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIdSaIdEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(24) %8)
  %11 = getelementptr inbounds i8, ptr %0, i64 40
  %12 = load i32, ptr %5, align 8, !tbaa !9
  %13 = sext i32 %12 to i64
  tail call void @_ZNSt6vectorIPdSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %13)
  %14 = load i32, ptr %5, align 8, !tbaa !9
  %15 = icmp sgt i32 %14, 0
  br i1 %15, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %3, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %3 ]
  %16 = load i32, ptr %6, align 4, !tbaa !20
  %17 = trunc nuw nsw i64 %indvars.iv to i32
  %18 = mul nsw i32 %16, %17
  %19 = sext i32 %18 to i64
  %20 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %19) #2
  %21 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPdSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %indvars.iv) #2
  store ptr %20, ptr %21, align 8, !tbaa !21
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %22 = load i32, ptr %5, align 8, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = icmp slt i64 %indvars.iv.next, %23
  br i1 %24, label %.lr.ph, label %.loopexit, !llvm.loop !22

.loopexit:                                        ; preds = %.lr.ph, %3, %2
  ret ptr %0
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIdSaIdEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

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 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 = { 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, !6, i64 8}
!10 = !{!"_ZTSN4sptk6MatrixE", !6, i64 8, !6, i64 12, !11, i64 16, !16, i64 40}
!11 = !{!"_ZTSSt6vectorIdSaIdEE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!"_ZTSSt6vectorIPdSaIS0_EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseIPdSaIS0_EE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIPdSaIS0_EE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIPdSaIS0_EE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!20 = !{!10, !6, i64 12}
!21 = !{!15, !15, i64 0}
!22 = distinct !{!22, !23}
!23 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass