; LLVM IR from sp-nitech/SPTK :: src/math/matrix.ll (ZN4sptk6MatrixC2EiiRKSt6vectorIdSaIdEE)

; 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.std::allocator.2" = type { i8 }
%"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 }

@_ZTVN4sptk6MatrixE = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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) #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) #1 align 2

; 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 void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4sptk6MatrixC2EiiRKSt6vectorIdSaIdEE(ptr noundef nonnull align 8 dereferenceable(64) %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull align 8 dereferenceable(24) %3) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !5
  %13 = load ptr, ptr %5, align 8
  store ptr getelementptr inbounds inrange(-16, 16) ({ [4 x ptr] }, ptr @_ZTVN4sptk6MatrixE, i32 0, i32 0, i32 2), ptr %13, align 8, !tbaa !11
  %14 = getelementptr inbounds %"class.sptk::Matrix", ptr %13, i32 0, i32 1
  %15 = load i32, ptr %6, align 4, !tbaa !9
  %16 = icmp slt i32 %15, 0
  br i1 %16, label %17, label %18

17:                                               ; preds = %4
  br label %20

18:                                               ; preds = %4
  %19 = load i32, ptr %6, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %18, %17
  %21 = phi i32 [ 0, %17 ], [ %19, %18 ]
  store i32 %21, ptr %14, align 8, !tbaa !13
  %22 = getelementptr inbounds %"class.sptk::Matrix", ptr %13, i32 0, i32 2
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = icmp slt i32 %23, 0
  br i1 %24, label %25, label %26

25:                                               ; preds = %20
  br label %28

26:                                               ; preds = %20
  %27 = load i32, ptr %7, align 4, !tbaa !9
  br label %28

28:                                               ; preds = %26, %25
  %29 = phi i32 [ 0, %25 ], [ %27, %26 ]
  store i32 %29, ptr %22, align 4, !tbaa !23
  %30 = getelementptr inbounds %"class.sptk::Matrix", ptr %13, i32 0, i32 3
  %31 = load ptr, ptr %8, align 8, !tbaa !5
  call void @_ZNSt6vectorIdSaIdEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %30, ptr noundef nonnull align 8 dereferenceable(24) %31)
  %32 = getelementptr inbounds %"class.sptk::Matrix", ptr %13, i32 0, i32 4
  %33 = getelementptr inbounds %"class.sptk::Matrix", ptr %13, i32 0, i32 1
  %34 = load i32, ptr %33, align 8, !tbaa !13
  %35 = sext i32 %34 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  call void @_ZNSaIPdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  invoke void @_ZNSt6vectorIPdSaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %32, i64 noundef %35, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %36 unwind label %43

36:                                               ; preds = %28
  call void @_ZNSt15__new_allocatorIPdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %37

37:                                               ; preds = %59, %36
  %38 = load i32, ptr %12, align 4, !tbaa !9
  %39 = getelementptr inbounds %"class.sptk::Matrix", ptr %13, i32 0, i32 1
  %40 = load i32, ptr %39, align 8, !tbaa !13
  %41 = icmp slt i32 %38, %40
  br i1 %41, label %47, label %42

42:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %62

43:                                               ; preds = %28
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %10, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIPdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %30) #3
  br label %63

47:                                               ; preds = %37
  %48 = getelementptr inbounds %"class.sptk::Matrix", ptr %13, i32 0, i32 3
  %49 = load i32, ptr %12, align 4, !tbaa !9
  %50 = getelementptr inbounds %"class.sptk::Matrix", ptr %13, i32 0, i32 2
  %51 = load i32, ptr %50, align 4, !tbaa !23
  %52 = mul nsw i32 %49, %51
  %53 = sext i32 %52 to i64
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %48, i64 noundef %53) #3
  %55 = getelementptr inbounds %"class.sptk::Matrix", ptr %13, i32 0, i32 4
  %56 = load i32, ptr %12, align 4, !tbaa !9
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPdSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %55, i64 noundef %57) #3
  store ptr %54, ptr %58, align 8, !tbaa !5
  br label %59

59:                                               ; preds = %47
  %60 = load i32, ptr %12, align 4, !tbaa !9
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %12, align 4, !tbaa !9
  br label %37, !llvm.loop !24

62:                                               ; preds = %42
  ret void

63:                                               ; preds = %43
  %64 = load ptr, ptr %10, align 8
  %65 = load i32, ptr %11, align 4
  %66 = insertvalue { ptr, i32 } poison, ptr %64, 0
  %67 = insertvalue { ptr, i32 } %66, i32 %65, 1
  resume { ptr, i32 } %67
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIPdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPdSaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIPdED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = !{!14, !10, i64 8}
!14 = !{!"_ZTSN4sptk6MatrixE", !10, i64 8, !10, i64 12, !15, i64 16, !19, i64 40}
!15 = !{!"_ZTSSt6vectorIdSaIdEE", !16, i64 0}
!16 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!19 = !{!"_ZTSSt6vectorIPdSaIS0_EE", !20, i64 0}
!20 = !{!"_ZTSSt12_Vector_baseIPdSaIS0_EE", !21, i64 0}
!21 = !{!"_ZTSNSt12_Vector_baseIPdSaIS0_EE12_Vector_implE", !22, i64 0}
!22 = !{!"_ZTSNSt12_Vector_baseIPdSaIS0_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!23 = !{!14, !10, i64 12}
!24 = distinct !{!24, !25}
!25 = !{!"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"

%"class.std::allocator.2" = type { i8 }

@_ZTVN4sptk6MatrixE = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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 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 void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4sptk6MatrixC2EiiRKSt6vectorIdSaIdEE(ptr noundef nonnull align 8 dereferenceable(64) %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull align 8 dereferenceable(24) %3) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.std::allocator.2", align 1
  store ptr getelementptr inbounds inrange(-16, 16) (i8, ptr @_ZTVN4sptk6MatrixE, i64 16), ptr %0, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = tail call i32 @llvm.smax.i32(i32 %1, i32 0)
  store i32 %7, ptr %6, align 8, !tbaa !8
  %8 = getelementptr inbounds i8, ptr %0, i64 12
  %9 = tail call i32 @llvm.smax.i32(i32 %2, i32 0)
  store i32 %9, ptr %8, align 4, !tbaa !21
  %10 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @_ZNSt6vectorIdSaIdEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) %3)
  %11 = getelementptr inbounds i8, ptr %0, i64 40
  %12 = load i32, ptr %6, align 8, !tbaa !8
  %13 = sext i32 %12 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSaIPdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt6vectorIPdSaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %13, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %14 unwind label %17

14:                                               ; preds = %4
  call void @_ZNSt15__new_allocatorIPdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  %15 = load i32, ptr %6, align 8, !tbaa !8
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %14
  ret void

17:                                               ; preds = %4
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIPdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  resume { ptr, i32 } %18

.lr.ph:                                           ; preds = %14, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %14 ]
  %19 = load i32, ptr %8, align 4, !tbaa !21
  %20 = trunc nuw nsw i64 %indvars.iv to i32
  %21 = mul nsw i32 %19, %20
  %22 = sext i32 %21 to i64
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %22) #4
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPdSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %indvars.iv) #4
  store ptr %23, ptr %24, align 8, !tbaa !22
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %25 = load i32, ptr %6, align 8, !tbaa !8
  %26 = sext i32 %25 to i64
  %27 = icmp slt i64 %indvars.iv.next, %26
  br i1 %27, label %.lr.ph, label %._crit_edge, !llvm.loop !23
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIPdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPdSaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIPdED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #3

attributes #0 = { mustprogress 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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !10, i64 8}
!9 = !{!"_ZTSN4sptk6MatrixE", !10, i64 8, !10, i64 12, !12, i64 16, !17, i64 40}
!10 = !{!"int", !11, i64 0}
!11 = !{!"omnipotent char", !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", !16, i64 0, !16, i64 8, !16, i64 16}
!16 = !{!"any pointer", !11, i64 0}
!17 = !{!"_ZTSSt6vectorIPdSaIS0_EE", !18, i64 0}
!18 = !{!"_ZTSSt12_Vector_baseIPdSaIS0_EE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIPdSaIS0_EE12_Vector_implE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseIPdSaIS0_EE17_Vector_impl_dataE", !16, i64 0, !16, i64 8, !16, i64 16}
!21 = !{!9, !10, i64 12}
!22 = !{!16, !16, i64 0}
!23 = distinct !{!23, !24}
!24 = !{!"llvm.loop.mustprogress"}


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