; LLVM IR from DanEngelbrecht/longtail :: lib/brotli/ext/enc (encode)

; 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.BrotliEncoderStateStruct = type { %struct.BrotliEncoderParams, %struct.MemoryManager, i64, %struct.RingBuffer, i64, ptr, i64, i64, i64, i64, i64, [16 x i32], [4 x i32], i16, i8, i8, i8, i8, i64, ptr, %struct.Hasher, [1024 x i32], ptr, i64, ptr, ptr, ptr, ptr, i64, ptr, i64, i64, %union.anon.0, i32, i32, i32, i32 }
%struct.BrotliEncoderParams = type { i32, i32, i32, i32, i64, i64, i32, i32, %struct.BrotliHasherParams, %struct.BrotliDistanceParams, %struct.SharedEncoderDictionary }
%struct.BrotliHasherParams = type { i32, i32, i32, i32 }
%struct.BrotliDistanceParams = type { i32, i32, i32, i32, i64 }
%struct.SharedEncoderDictionary = type { i32, %struct.CompoundDictionary, %struct.ContextualEncoderDictionary, i32 }
%struct.CompoundDictionary = type { i64, i64, [16 x ptr], [16 x ptr], [16 x i64], i64, [16 x ptr] }
%struct.ContextualEncoderDictionary = type { i32, i8, [64 x i8], [64 x ptr], i64, %struct.BrotliEncoderDictionary, ptr }
%struct.BrotliEncoderDictionary = type { ptr, i32, i32, i64, ptr, ptr, ptr, ptr, %struct.BrotliTrie, i32, ptr, ptr, ptr, i64, ptr, i64, ptr, ptr }
%struct.BrotliTrie = type { ptr, i64, i64, %struct.BrotliTrieNode }
%struct.BrotliTrieNode = type { i8, i8, i8, i32, i32 }
%struct.MemoryManager = type { ptr, ptr, ptr }
%struct.RingBuffer = type { i32, i32, i32, i32, i32, i32, ptr, ptr }
%struct.Hasher = type { %struct.HasherCommon, %union.anon }
%struct.HasherCommon = type { [4 x ptr], i32, i64, i64, %struct.BrotliHasherParams, i32 }
%union.anon = type { %struct.H42 }
%struct.H42 = type { [512 x i16], i64, [2 x ptr], ptr }
%union.anon.0 = type { [2 x i64] }

; Function Attrs: nounwind uwtable
define dso_local ptr @BrotliEncoderCreateInstance(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = call ptr @BrotliBootstrapAlloc(i64 noundef 6976, ptr noundef %10, ptr noundef %11, ptr noundef %12)
  store ptr %13, ptr %8, align 8, !tbaa !5
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %16, label %17

16:                                               ; preds = %3
  store ptr null, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %25

17:                                               ; preds = %3
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.BrotliEncoderStateStruct, ptr %18, i32 0, i32 1
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  call void @BrotliInitMemoryManager(ptr noundef %19, ptr noundef %20, ptr noundef %21, ptr noundef %22)
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  call void @BrotliEncoderInitState(ptr noundef %23)
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %24, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %25

25:                                               ; preds = %17, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %26 = load ptr, ptr %4, align 8
  ret ptr %26
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare hidden ptr @BrotliBootstrapAlloc(i64 noundef, ptr noundef, ptr noundef, ptr noundef) #2

declare hidden void @BrotliInitMemoryManager(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare hidden void @BrotliEncoderInitState(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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"}


; 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"

; Function Attrs: nounwind uwtable
define dso_local ptr @BrotliEncoderCreateInstance(ptr noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = tail call ptr @BrotliBootstrapAlloc(i64 noundef 6976, ptr noundef %0, ptr noundef %1, ptr noundef %2) #2
  %5 = icmp eq ptr %4, null
  br i1 %5, label %8, label %6

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %4, i64 1400
  tail call void @BrotliInitMemoryManager(ptr noundef nonnull %7, ptr noundef %0, ptr noundef %1, ptr noundef %2) #2
  tail call void @BrotliEncoderInitState(ptr noundef nonnull %4)
  br label %8

8:                                                ; preds = %3, %6
  ret ptr %4
}

declare hidden ptr @BrotliBootstrapAlloc(i64 noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

declare hidden void @BrotliInitMemoryManager(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @BrotliEncoderInitState(ptr noundef) local_unnamed_addr #0

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" }
attributes #1 = { "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 = { 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)"}


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