; LLVM IR from catid/Zpng :: zstd (zstd_compress)

; 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.ZSTD_frameParameters = type { i32, i32, i32 }

; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

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

; Function Attrs: nounwind uwtable
declare hidden i32 @ERR_isError(i64 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i64 @ZSTD_compressEnd(ptr noundef, ptr noundef, i64 noundef, ptr noundef, i64 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i64 @ZSTD_compressBegin_usingCDict_advanced(ptr noundef, ptr noundef, i64, i32, i64 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i64 @ZSTD_compress_usingCDict_advanced(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %5, ptr noundef byval(%struct.ZSTD_frameParameters) align 8 %6) #2 {
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i64, align 8
  %14 = alloca ptr, align 8
  %15 = alloca i64, align 8
  %16 = alloca { i64, i32 }, align 8
  %17 = alloca i32, align 4
  store ptr %0, ptr %9, align 8, !tbaa !5
  store ptr %1, ptr %10, align 8, !tbaa !5
  store i64 %2, ptr %11, align 8, !tbaa !9
  store ptr %3, ptr %12, align 8, !tbaa !5
  store i64 %4, ptr %13, align 8, !tbaa !9
  store ptr %5, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #3
  %18 = load ptr, ptr %9, align 8, !tbaa !5
  %19 = load ptr, ptr %14, align 8, !tbaa !5
  %20 = load i64, ptr %13, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %16, ptr align 8 %6, i64 12, i1 false)
  %21 = getelementptr inbounds { i64, i32 }, ptr %16, i32 0, i32 0
  %22 = load i64, ptr %21, align 8
  %23 = getelementptr inbounds { i64, i32 }, ptr %16, i32 0, i32 1
  %24 = load i32, ptr %23, align 8
  %25 = call i64 @ZSTD_compressBegin_usingCDict_advanced(ptr noundef %18, ptr noundef %19, i64 %22, i32 %24, i64 noundef %20)
  store i64 %25, ptr %15, align 8, !tbaa !9
  %26 = load i64, ptr %15, align 8, !tbaa !9
  %27 = call i32 @ERR_isError(i64 noundef %26)
  %28 = icmp ne i32 %27, 0
  br i1 %28, label %29, label %31

29:                                               ; preds = %7
  %30 = load i64, ptr %15, align 8, !tbaa !9
  store i64 %30, ptr %8, align 8
  store i32 1, ptr %17, align 4
  br label %32

31:                                               ; preds = %7
  store i32 0, ptr %17, align 4
  br label %32

32:                                               ; preds = %31, %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #3
  %33 = load i32, ptr %17, align 4
  switch i32 %33, label %43 [
    i32 0, label %34
    i32 1, label %41
  ]

34:                                               ; preds = %32
  %35 = load ptr, ptr %9, align 8, !tbaa !5
  %36 = load ptr, ptr %10, align 8, !tbaa !5
  %37 = load i64, ptr %11, align 8, !tbaa !9
  %38 = load ptr, ptr %12, align 8, !tbaa !5
  %39 = load i64, ptr %13, align 8, !tbaa !9
  %40 = call i64 @ZSTD_compressEnd(ptr noundef %35, ptr noundef %36, i64 noundef %37, ptr noundef %38, i64 noundef %39)
  store i64 %40, ptr %8, align 8
  br label %41

41:                                               ; preds = %34, %32
  %42 = load i64, ptr %8, align 8
  ret i64 %42

43:                                               ; preds = %32
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}


; 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.ZSTD_frameParameters = type { i32, i32, i32 }

; Function Attrs: nounwind uwtable
declare hidden i32 @ERR_isError(i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i64 @ZSTD_compressEnd(ptr noundef, ptr noundef, i64 noundef, ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i64 @ZSTD_compressBegin_usingCDict_advanced(ptr noundef, ptr noundef, i64, i32, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i64 @ZSTD_compress_usingCDict_advanced(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %5, ptr nocapture noundef readonly byval(%struct.ZSTD_frameParameters) align 8 %6) local_unnamed_addr #0 {
  %.sroa.0.0.copyload = load i64, ptr %6, align 8
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %6, i64 8
  %.sroa.2.0.copyload = load i32, ptr %.sroa.2.0..sroa_idx, align 8
  %8 = tail call i64 @ZSTD_compressBegin_usingCDict_advanced(ptr noundef %0, ptr noundef %5, i64 %.sroa.0.0.copyload, i32 %.sroa.2.0.copyload, i64 noundef %4)
  %9 = tail call i32 @ERR_isError(i64 noundef %8)
  %.not.not = icmp eq i32 %9, 0
  br i1 %.not.not, label %10, label %12

10:                                               ; preds = %7
  %11 = tail call i64 @ZSTD_compressEnd(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4)
  br label %12

12:                                               ; preds = %7, %10
  %.1 = phi i64 [ %8, %7 ], [ %11, %10 ]
  ret i64 %.1
}

attributes #0 = { 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" }

!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)"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass