; LLVM IR from sunkafei/xcpc-algorithm-templates :: 算法/数学算法 (稀疏矩阵的高斯消元)

; 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.fast_gauss_double = type { [2000000 x %struct.anon.0], [5110007 x i32], [110000 x i32], [110000 x i32], [110000 x i32], [110000 x i32], i32, i32 }
%struct.anon.0 = type { double, i32, i32, i32, i32, i32 }
%"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 }

@gas = external dso_local global %struct.fast_gauss_double, align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; 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 norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  %12 = load i32, ptr %2, align 4, !tbaa !5
  call void @_ZN17fast_gauss_double4initEi(ptr noundef nonnull align 8 dereferenceable(86200040) @gas, i32 noundef %12)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %38, %0
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  store i32 2, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %41

18:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %34, %18
  %20 = load i32, ptr %6, align 4, !tbaa !5
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = icmp sle i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %37

24:                                               ; preds = %19
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %5)
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = icmp ne i32 %26, 0
  br i1 %27, label %28, label %33

28:                                               ; preds = %24
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = load i32, ptr %6, align 4, !tbaa !5
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = sitofp i32 %31 to double
  call void @_ZN17fast_gauss_double6insertEiid(ptr noundef nonnull align 8 dereferenceable(86200040) @gas, i32 noundef %29, i32 noundef %30, double noundef %32)
  br label %33

33:                                               ; preds = %28, %24
  br label %34

34:                                               ; preds = %33
  %35 = load i32, ptr %6, align 4, !tbaa !5
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %6, align 4, !tbaa !5
  br label %19, !llvm.loop !9

37:                                               ; preds = %23
  br label %38

38:                                               ; preds = %37
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %3, align 4, !tbaa !5
  br label %13, !llvm.loop !11

41:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #5
  call void @_ZN17fast_gauss_double5solveEv(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %7, ptr noundef nonnull align 8 dereferenceable(86200040) @gas)
  %42 = call noundef zeroext i1 @_ZNKSt6vectorIdSaIdEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  br i1 %42, label %43, label %50

43:                                               ; preds = %41
  %44 = invoke i32 @puts(ptr noundef @.str.1)
          to label %45 unwind label %46

45:                                               ; preds = %43
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  br label %71

46:                                               ; preds = %43
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %8, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %9, align 4
  br label %73

50:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %51

51:                                               ; preds = %63, %50
  %52 = load i32, ptr %10, align 4, !tbaa !5
  %53 = load i32, ptr %2, align 4, !tbaa !5
  %54 = icmp slt i32 %52, %53
  br i1 %54, label %56, label %55

55:                                               ; preds = %51
  store i32 8, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %70

56:                                               ; preds = %51
  %57 = load i32, ptr %10, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %58) #5
  %60 = load double, ptr %59, align 8, !tbaa !12
  %61 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, double noundef %60)
          to label %62 unwind label %66

62:                                               ; preds = %56
  br label %63

63:                                               ; preds = %62
  %64 = load i32, ptr %10, align 4, !tbaa !5
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %10, align 4, !tbaa !5
  br label %51, !llvm.loop !14

66:                                               ; preds = %56
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %8, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %73

70:                                               ; preds = %55
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  br label %71

71:                                               ; preds = %70, %45
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %72 = load i32, ptr %1, align 4
  ret i32 %72

73:                                               ; preds = %66, %46
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %74

74:                                               ; preds = %73
  %75 = load ptr, ptr %8, align 8
  %76 = load i32, ptr %9, align 4
  %77 = insertvalue { ptr, i32 } poison, ptr %75, 0
  %78 = insertvalue { ptr, i32 } %77, i32 %76, 1
  resume { ptr, i32 } %78
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN17fast_gauss_double4initEi(ptr noundef nonnull align 8 dereferenceable(86200040), i32 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN17fast_gauss_double6insertEiid(ptr noundef nonnull align 8 dereferenceable(86200040), i32 noundef, i32 noundef, double noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN17fast_gauss_double5solveEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(86200040)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIdSaIdEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare i32 @puts(ptr noundef) #2

declare i32 @__gxx_personality_v0(...)

declare i32 @printf(ptr noundef, ...) #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) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress norecurse 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 = { "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 = { 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 #4 = { 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 #5 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !7, i64 0}
!14 = distinct !{!14, !10}


; 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.fast_gauss_double = type { [2000000 x %struct.anon.0], [5110007 x i32], [110000 x i32], [110000 x i32], [110000 x i32], [110000 x i32], i32, i32 }
%struct.anon.0 = type { double, i32, i32, i32, i32, i32 }
%"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 }

@gas = external dso_local global %struct.fast_gauss_double, align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %5 = load i32, ptr %1, align 4, !tbaa !5
  call void @_ZN17fast_gauss_double4initEi(ptr noundef nonnull align 8 dereferenceable(86200040) @gas, i32 noundef %5)
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph19.split, label %._crit_edge20

._crit_edge20:                                    ; preds = %._crit_edge, %0
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  call void @_ZN17fast_gauss_double5solveEv(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %3, ptr noundef nonnull align 8 dereferenceable(86200040) @gas)
  %8 = call noundef zeroext i1 @_ZNKSt6vectorIdSaIdEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br i1 %8, label %22, label %.preheader

.preheader:                                       ; preds = %._crit_edge20
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %.lr.ph22, label %.loopexit

.lr.ph19.split:                                   ; preds = %0, %._crit_edge
  %11 = phi i32 [ %12, %._crit_edge ], [ %6, %0 ]
  %.01117 = phi i32 [ %13, %._crit_edge ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  %.not15 = icmp slt i32 %11, 0
  br i1 %.not15, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %19, %.lr.ph19.split
  %12 = phi i32 [ %11, %.lr.ph19.split ], [ %21, %19 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  %13 = add nuw nsw i32 %.01117, 1
  %14 = icmp slt i32 %13, %12
  br i1 %14, label %.lr.ph19.split, label %._crit_edge20, !llvm.loop !9

.lr.ph:                                           ; preds = %.lr.ph19.split, %19
  %.01016 = phi i32 [ %20, %19 ], [ 0, %.lr.ph19.split ]
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %.not14 = icmp eq i32 %16, 0
  br i1 %.not14, label %19, label %17

17:                                               ; preds = %.lr.ph
  %18 = sitofp i32 %16 to double
  call void @_ZN17fast_gauss_double6insertEiid(ptr noundef nonnull align 8 dereferenceable(86200040) @gas, i32 noundef %.01117, i32 noundef %.01016, double noundef %18)
  br label %19

19:                                               ; preds = %.lr.ph, %17
  %20 = add nuw nsw i32 %.01016, 1
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.01016, %21
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !12

22:                                               ; preds = %._crit_edge20
  %23 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.1)
  br label %.loopexit

.lr.ph22:                                         ; preds = %.preheader, %.lr.ph22
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph22 ], [ 0, %.preheader ]
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #5
  %25 = load double, ptr %24, align 8, !tbaa !13
  %26 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, double noundef %25)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %27 = load i32, ptr %1, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = icmp slt i64 %indvars.iv.next, %28
  br i1 %29, label %.lr.ph22, label %.loopexit, !llvm.loop !15

.loopexit:                                        ; preds = %.lr.ph22, %.preheader, %22
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN17fast_gauss_double4initEi(ptr noundef nonnull align 8 dereferenceable(86200040), i32 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN17fast_gauss_double6insertEiid(ptr noundef nonnull align 8 dereferenceable(86200040), i32 noundef, i32 noundef, double noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN17fast_gauss_double5solveEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(86200040)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIdSaIdEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #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 #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress norecurse 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 = { nofree nounwind "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 = { 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 #4 = { 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 #5 = { 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 = distinct !{!9, !10, !11}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.unswitch.partial.disable"}
!12 = distinct !{!12, !10}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !7, i64 0}
!15 = distinct !{!15, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,SCCPPass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass