; LLVM IR from sunkafei/xcpc-algorithm-templates :: 算法/图论/一般图最大权匹配.ll (Z9set_matchii)

; 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.edge = type { i32, i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@g = external dso_local global [1023 x [1023 x %struct.edge]], align 16
@n = external dso_local global i32, align 4
@match = external dso_local global [1023 x i32], align 16
@from = external dso_local global [1023 x [1023 x i32]], align 16
@flower = external dso_local global [1023 x %"class.std::vector"], align 16

; 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 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z3getii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9set_matchii(i32 noundef %0, i32 noundef %1) #2 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %struct.edge, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [1023 x [1023 x %struct.edge]], ptr @g, i64 0, i64 %15
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [1023 x %struct.edge], ptr %16, i64 0, i64 %18
  %20 = getelementptr inbounds %struct.edge, ptr %19, i32 0, i32 1
  %21 = load i32, ptr %20, align 4, !tbaa !9
  %22 = load i32, ptr %3, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [1023 x i32], ptr @match, i64 0, i64 %23
  store i32 %21, ptr %24, align 4, !tbaa !5
  %25 = load i32, ptr %3, align 4, !tbaa !5
  %26 = load i32, ptr @n, align 4, !tbaa !5
  %27 = icmp sle i32 %25, %26
  br i1 %27, label %28, label %29

28:                                               ; preds = %2
  br label %101

29:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 12, ptr %5) #5
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [1023 x [1023 x %struct.edge]], ptr @g, i64 0, i64 %31
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [1023 x %struct.edge], ptr %32, i64 0, i64 %34
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %35, i64 12, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [1023 x [1023 x i32]], ptr @from, i64 0, i64 %37
  %39 = getelementptr inbounds %struct.edge, ptr %5, i32 0, i32 0
  %40 = load i32, ptr %39, align 4, !tbaa !12
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [1023 x i32], ptr %38, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  store i32 %43, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %44 = load i32, ptr %3, align 4, !tbaa !5
  %45 = load i32, ptr %6, align 4, !tbaa !5
  %46 = call noundef i32 @_Z3getii(i32 noundef %44, i32 noundef %45)
  store i32 %46, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %68, %29
  %48 = load i32, ptr %8, align 4, !tbaa !5
  %49 = load i32, ptr %7, align 4, !tbaa !5
  %50 = icmp slt i32 %48, %49
  br i1 %50, label %52, label %51

51:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %71

52:                                               ; preds = %47
  %53 = load i32, ptr %3, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [1023 x %"class.std::vector"], ptr @flower, i64 0, i64 %54
  %56 = load i32, ptr %8, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %55, i64 noundef %57) #5
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = load i32, ptr %3, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [1023 x %"class.std::vector"], ptr @flower, i64 0, i64 %61
  %63 = load i32, ptr %8, align 4, !tbaa !5
  %64 = xor i32 %63, 1
  %65 = sext i32 %64 to i64
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %62, i64 noundef %65) #5
  %67 = load i32, ptr %66, align 4, !tbaa !5
  call void @_Z9set_matchii(i32 noundef %59, i32 noundef %67)
  br label %68

68:                                               ; preds = %52
  %69 = load i32, ptr %8, align 4, !tbaa !5
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %8, align 4, !tbaa !5
  br label %47, !llvm.loop !13

71:                                               ; preds = %51
  %72 = load i32, ptr %6, align 4, !tbaa !5
  %73 = load i32, ptr %4, align 4, !tbaa !5
  call void @_Z9set_matchii(i32 noundef %72, i32 noundef %73)
  %74 = load i32, ptr %3, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds [1023 x %"class.std::vector"], ptr @flower, i64 0, i64 %75
  %77 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %76) #5
  %78 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %77, ptr %78, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %79 = load i32, ptr %3, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [1023 x %"class.std::vector"], ptr @flower, i64 0, i64 %80
  %82 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %81) #5
  %83 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %82, ptr %83, align 8
  %84 = load i32, ptr %7, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %11, i64 noundef %85) #5
  %87 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %86, ptr %87, align 8
  %88 = load i32, ptr %3, align 4, !tbaa !5
  %89 = sext i32 %88 to i64
  %90 = getelementptr inbounds [1023 x %"class.std::vector"], ptr @flower, i64 0, i64 %89
  %91 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %90) #5
  %92 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %91, ptr %92, align 8
  %93 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %94 = load ptr, ptr %93, align 8
  %95 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %96 = load ptr, ptr %95, align 8
  %97 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %98 = load ptr, ptr %97, align 8
  %99 = call ptr @_ZNSt3_V26rotateIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEET_S8_S8_S8_(ptr %94, ptr %96, ptr %98)
  %100 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %99, ptr %100, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %5) #5
  br label %101

101:                                              ; preds = %71, %28
  ret void
}

; 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) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZNSt3_V26rotateIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEET_S8_S8_S8_(ptr, ptr, ptr) #4

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #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 = !{!10, !6, i64 4}
!10 = !{!"_ZTS4edge", !6, i64 0, !6, i64 4, !6, i64 8}
!11 = !{i64 0, i64 4, !5, i64 4, i64 4, !5, i64 8, i64 4, !5}
!12 = !{!10, !6, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

%struct.edge = type { i32, i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@g = external dso_local local_unnamed_addr global [1023 x [1023 x %struct.edge]], align 16
@n = external dso_local local_unnamed_addr global i32, align 4
@match = external dso_local local_unnamed_addr global [1023 x i32], align 16
@from = external dso_local local_unnamed_addr global [1023 x [1023 x i32]], align 16
@flower = external dso_local global [1023 x %"class.std::vector"], align 16

; 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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z3getii(i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9set_matchii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #2 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = sext i32 %0 to i64
  %5 = sext i32 %1 to i64
  %6 = getelementptr inbounds [1023 x [1023 x %struct.edge]], ptr @g, i64 0, i64 %4, i64 %5
  %7 = getelementptr inbounds i8, ptr %6, i64 4
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %9 = getelementptr inbounds [1023 x i32], ptr @match, i64 0, i64 %4
  store i32 %8, ptr %9, align 4, !tbaa !10
  %10 = load i32, ptr @n, align 4, !tbaa !10
  %.not = icmp slt i32 %10, %0
  br i1 %.not, label %11, label %common.ret30

11:                                               ; preds = %2
  %.sroa.011.0.copyload = load i32, ptr %6, align 4, !tbaa !10
  %12 = sext i32 %.sroa.011.0.copyload to i64
  %13 = getelementptr inbounds [1023 x [1023 x i32]], ptr @from, i64 0, i64 %4, i64 %12
  %14 = load i32, ptr %13, align 4, !tbaa !10
  %15 = tail call noundef i32 @_Z3getii(i32 noundef %0, i32 noundef %14)
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %11
  %17 = getelementptr inbounds [1023 x %"class.std::vector"], ptr @flower, i64 0, i64 %4
  %wide.trip.count = zext nneg i32 %15 to i64
  br label %25

common.ret30:                                     ; preds = %2, %._crit_edge
  ret void

._crit_edge:                                      ; preds = %25, %11
  tail call void @_Z9set_matchii(i32 noundef %14, i32 noundef %1)
  %18 = getelementptr inbounds [1023 x %"class.std::vector"], ptr @flower, i64 0, i64 %4
  %19 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %20 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #4
  store ptr %20, ptr %3, align 8
  %21 = sext i32 %15 to i64
  %22 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %3, i64 noundef %21) #4
  %23 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #4
  %24 = call ptr @_ZNSt3_V26rotateIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEET_S8_S8_S8_(ptr %19, ptr %22, ptr %23)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br label %common.ret30

25:                                               ; preds = %.lr.ph, %25
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %25 ]
  %26 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %indvars.iv) #4
  %27 = load i32, ptr %26, align 4, !tbaa !10
  %28 = and i64 %indvars.iv, 4294967295
  %29 = xor i64 %28, 1
  %30 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %29) #4
  %31 = load i32, ptr %30, align 4, !tbaa !10
  tail call void @_Z9set_matchii(i32 noundef %27, i32 noundef %31)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %25, !llvm.loop !11
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZNSt3_V26rotateIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEET_S8_S8_S8_(ptr, ptr, ptr) local_unnamed_addr #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 = { 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 #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, !7, i64 4}
!6 = !{!"_ZTS4edge", !7, i64 0, !7, i64 4, !7, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!7, !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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