; LLVM IR from JayXon/Leanify :: leanify.ll (Z14ZlibRecompressPhmm)

; 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.LodePNGDecompressSettings = type { i32, i32, i64, ptr, ptr, ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%struct.ZopfliOptions = type { i32, i32, i32, i32, i32, i32 }

@is_fast = external global i8, align 1
@lodepng_default_decompress_settings = external global %struct.LodePNGDecompressSettings, align 8
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.28 = external hidden unnamed_addr constant [29 x i8], align 1
@iterations = external global i32, align 4

; 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 uwtable
define dso_local noundef i64 @_Z14ZlibRecompressPhmm(ptr noundef %0, i64 noundef %1, i64 noundef %2) #1 {
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca %struct.ZopfliOptions, align 4
  %11 = alloca i64, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store i64 %2, ptr %7, align 8, !tbaa !9
  %14 = load i8, ptr @is_fast, align 1, !tbaa !11, !range !13, !noundef !14
  %15 = trunc i8 %14 to i1
  br i1 %15, label %54, label %16

16:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store ptr null, ptr %9, align 8, !tbaa !5
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = call noundef i32 @_Z23lodepng_zlib_decompressPPhPmPKhmPK25LodePNGDecompressSettings(ptr noundef %9, ptr noundef %8, ptr noundef %17, i64 noundef %18, ptr noundef @lodepng_default_decompress_settings)
  %20 = icmp ne i32 %19, 0
  br i1 %20, label %24, label %21

21:                                               ; preds = %16
  %22 = load ptr, ptr %9, align 8, !tbaa !5
  %23 = icmp ne ptr %22, null
  br i1 %23, label %27, label %24

24:                                               ; preds = %21, %16
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.28)
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %25, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %50

27:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #6
  call void @ZopfliInitOptions(ptr noundef %10)
  %28 = load i32, ptr @iterations, align 4, !tbaa !15
  %29 = getelementptr inbounds %struct.ZopfliOptions, ptr %10, i32 0, i32 2
  store i32 %28, ptr %29, align 4, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  store i64 0, ptr %11, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  store ptr null, ptr %12, align 8, !tbaa !5
  %30 = load ptr, ptr %9, align 8, !tbaa !5
  %31 = load i64, ptr %8, align 8, !tbaa !9
  call void @ZopfliZlibCompress(ptr noundef %10, ptr noundef %30, i64 noundef %31, ptr noundef %12, ptr noundef %11)
  %32 = load ptr, ptr %9, align 8, !tbaa !5
  call void @free(ptr noundef %32) #6
  %33 = load i64, ptr %11, align 8, !tbaa !9
  %34 = load i64, ptr %6, align 8, !tbaa !9
  %35 = icmp ult i64 %33, %34
  br i1 %35, label %36, label %45

36:                                               ; preds = %27
  %37 = load ptr, ptr %5, align 8, !tbaa !5
  %38 = load i64, ptr %7, align 8, !tbaa !9
  %39 = sub i64 0, %38
  %40 = getelementptr inbounds i8, ptr %37, i64 %39
  %41 = load ptr, ptr %12, align 8, !tbaa !5
  %42 = load i64, ptr %11, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %40, ptr align 1 %41, i64 %42, i1 false)
  %43 = load ptr, ptr %12, align 8, !tbaa !5
  call void @free(ptr noundef %43) #6
  %44 = load i64, ptr %11, align 8, !tbaa !9
  store i64 %44, ptr %4, align 8
  store i32 1, ptr %13, align 4
  br label %47

45:                                               ; preds = %27
  %46 = load ptr, ptr %12, align 8, !tbaa !5
  call void @free(ptr noundef %46) #6
  store i32 0, ptr %13, align 4
  br label %47

47:                                               ; preds = %45, %36
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  %48 = load i32, ptr %13, align 4
  switch i32 %48, label %51 [
    i32 0, label %49
  ]

49:                                               ; preds = %47
  br label %50

50:                                               ; preds = %49, %24
  store i32 0, ptr %13, align 4
  br label %51

51:                                               ; preds = %50, %47
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  %52 = load i32, ptr %13, align 4
  switch i32 %52, label %64 [
    i32 0, label %53
    i32 1, label %62
  ]

53:                                               ; preds = %51
  br label %54

54:                                               ; preds = %53, %3
  %55 = load ptr, ptr %5, align 8, !tbaa !5
  %56 = load i64, ptr %7, align 8, !tbaa !9
  %57 = sub i64 0, %56
  %58 = getelementptr inbounds i8, ptr %55, i64 %57
  %59 = load ptr, ptr %5, align 8, !tbaa !5
  %60 = load i64, ptr %6, align 8, !tbaa !9
  call void @llvm.memmove.p0.p0.i64(ptr align 1 %58, ptr align 1 %59, i64 %60, i1 false)
  %61 = load i64, ptr %6, align 8, !tbaa !9
  store i64 %61, ptr %4, align 8
  br label %62

62:                                               ; preds = %54, %51
  %63 = load i64, ptr %4, align 8
  ret i64 %63

64:                                               ; preds = %51
  unreachable
}

declare noundef i32 @_Z23lodepng_zlib_decompressPPhPmPKhmPK25LodePNGDecompressSettings(ptr noundef, ptr noundef, ptr noundef, i64 noundef, ptr noundef) #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

declare void @ZopfliInitOptions(ptr noundef) #2

declare void @ZopfliZlibCompress(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

; 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) #5

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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 "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!16, !16, i64 0}
!16 = !{!"int", !7, i64 0}
!17 = !{!18, !16, i64 8}
!18 = !{!"_ZTS13ZopfliOptions", !16, i64 0, !16, i64 4, !16, i64 8, !16, i64 12, !16, i64 16, !16, i64 20}


; 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.LodePNGDecompressSettings = type { i32, i32, i64, ptr, ptr, ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%struct.ZopfliOptions = type { i32, i32, i32, i32, i32, i32 }

@is_fast = external local_unnamed_addr global i8, align 1
@lodepng_default_decompress_settings = external global %struct.LodePNGDecompressSettings, align 8
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.28 = external hidden unnamed_addr constant [29 x i8], align 1
@iterations = external local_unnamed_addr global i32, align 4

; 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 uwtable
define dso_local noundef i64 @_Z14ZlibRecompressPhmm(ptr noundef %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #1 {
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %struct.ZopfliOptions, align 4
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = load i8, ptr @is_fast, align 1, !tbaa !5, !range !9, !noundef !10
  %10 = trunc nuw i8 %9 to i1
  br i1 %10, label %31, label %11

11:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  store i64 0, ptr %4, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  store ptr null, ptr %5, align 8, !tbaa !13
  %12 = call noundef i32 @_Z23lodepng_zlib_decompressPPhPmPKhmPK25LodePNGDecompressSettings(ptr noundef nonnull %5, ptr noundef nonnull %4, ptr noundef %0, i64 noundef %1, ptr noundef nonnull @lodepng_default_decompress_settings)
  %13 = icmp eq i32 %12, 0
  %14 = load ptr, ptr %5, align 8
  %15 = icmp ne ptr %14, null
  %or.cond = select i1 %13, i1 %15, i1 false
  br i1 %or.cond, label %18, label %.thread

.thread:                                          ; preds = %11
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.28)
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %31

18:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #6
  call void @ZopfliInitOptions(ptr noundef nonnull %6)
  %19 = load i32, ptr @iterations, align 4, !tbaa !15
  %20 = getelementptr inbounds i8, ptr %6, i64 8
  store i32 %19, ptr %20, align 4, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  store i64 0, ptr %7, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  store ptr null, ptr %8, align 8, !tbaa !13
  %21 = load ptr, ptr %5, align 8, !tbaa !13
  %22 = load i64, ptr %4, align 8, !tbaa !11
  call void @ZopfliZlibCompress(ptr noundef nonnull %6, ptr noundef %21, i64 noundef %22, ptr noundef nonnull %8, ptr noundef nonnull %7)
  %23 = load ptr, ptr %5, align 8, !tbaa !13
  call void @free(ptr noundef %23) #6
  %24 = load i64, ptr %7, align 8, !tbaa !11
  %.not = icmp ult i64 %24, %1
  br i1 %.not, label %26, label %.thread19

.thread19:                                        ; preds = %18
  %25 = load ptr, ptr %8, align 8, !tbaa !13
  call void @free(ptr noundef %25) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %31

26:                                               ; preds = %18
  %27 = sub i64 0, %2
  %28 = getelementptr inbounds i8, ptr %0, i64 %27
  %29 = load ptr, ptr %8, align 8, !tbaa !13
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %28, ptr align 1 %29, i64 %24, i1 false)
  call void @free(ptr noundef %29) #6
  %30 = load i64, ptr %7, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %34

31:                                               ; preds = %.thread19, %.thread, %3
  %32 = sub i64 0, %2
  %33 = getelementptr inbounds i8, ptr %0, i64 %32
  call void @llvm.memmove.p0.p0.i64(ptr align 1 %33, ptr align 1 %0, i64 %1, i1 false)
  br label %34

34:                                               ; preds = %26, %31
  %.3 = phi i64 [ %1, %31 ], [ %30, %26 ]
  ret i64 %.3
}

declare noundef i32 @_Z23lodepng_zlib_decompressPPhPmPKhmPK25LodePNGDecompressSettings(ptr noundef, ptr noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

declare void @ZopfliInitOptions(ptr noundef) local_unnamed_addr #2

declare void @ZopfliZlibCompress(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #4

; Function Attrs: mustprogress 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) #5

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #5

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i8 0, i8 2}
!10 = !{}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !7, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"int", !7, i64 0}
!17 = !{!18, !16, i64 8}
!18 = !{!"_ZTS13ZopfliOptions", !16, i64 0, !16, i64 4, !16, i64 8, !16, i64 12, !16, i64 16, !16, i64 20}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,SROAPass,SimplifyCFGPass