; LLVM IR from itchio/go-brotli :: 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, ptr, i64, %struct.RingBuffer, i64, ptr, i64, i64, i64, i64, i64, [16 x i32], [4 x i32], i8, i8, i8, i8, i64, ptr, [1024 x i32], ptr, i64, [128 x i8], [128 x i16], [512 x i8], i64, ptr, ptr, ptr, i64, i64, %union.anon, i32, i32, i32, i32 }
%struct.BrotliEncoderParams = type { i32, i32, i32, i32, i64, i32, %struct.BrotliHasherParams }
%struct.BrotliHasherParams = type { i32, i32, i32, i32, i32 }
%struct.MemoryManager = type { ptr, ptr, ptr }
%struct.RingBuffer = type { i32, i32, i32, i32, i32, i32, ptr, ptr }
%union.anon = 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) #4
  store ptr null, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = icmp ne ptr %10, null
  br i1 %11, label %17, label %12

12:                                               ; preds = %3
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %17, label %15

15:                                               ; preds = %12
  %16 = call noalias ptr @malloc(i64 noundef 5376) #5
  store ptr %16, ptr %8, align 8, !tbaa !5
  br label %28

17:                                               ; preds = %12, %3
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = icmp ne ptr %18, null
  br i1 %19, label %20, label %27

20:                                               ; preds = %17
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %27

23:                                               ; preds = %20
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  %26 = call ptr %24(ptr noundef %25, i64 noundef 5376)
  store ptr %26, ptr %8, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %23, %20, %17
  br label %28

28:                                               ; preds = %27, %15
  %29 = load ptr, ptr %8, align 8, !tbaa !5
  %30 = icmp eq ptr %29, null
  br i1 %30, label %31, label %32

31:                                               ; preds = %28
  store ptr null, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %40

32:                                               ; preds = %28
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.BrotliEncoderStateStruct, ptr %33, i32 0, i32 1
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  %37 = load ptr, ptr %7, align 8, !tbaa !5
  call void @BrotliInitMemoryManager(ptr noundef %34, ptr noundef %35, ptr noundef %36, ptr noundef %37)
  %38 = load ptr, ptr %8, align 8, !tbaa !5
  call void @BrotliEncoderInitState(ptr noundef %38)
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %39, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %40

40:                                               ; preds = %32, %31
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %41 = load ptr, ptr %4, align 8
  ret ptr %41
}

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

declare hidden void @BrotliInitMemoryManager(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #3

; 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 = { nounwind allocsize(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 = { "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 }
attributes #5 = { nounwind allocsize(0) }

!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 = icmp ne ptr %0, null
  %5 = icmp ne ptr %1, null
  %or.cond = or i1 %4, %5
  br i1 %or.cond, label %8, label %6

6:                                                ; preds = %3
  %7 = tail call noalias dereferenceable_or_null(5376) ptr @malloc(i64 noundef 5376) #3
  br label %11

8:                                                ; preds = %3
  %or.cond3 = and i1 %4, %5
  br i1 %or.cond3, label %9, label %.thread

9:                                                ; preds = %8
  %10 = tail call ptr %0(ptr noundef %2, i64 noundef 5376) #4
  br label %11

11:                                               ; preds = %9, %6
  %.0 = phi ptr [ %10, %9 ], [ %7, %6 ]
  %12 = icmp eq ptr %.0, null
  br i1 %12, label %.thread, label %13

13:                                               ; preds = %11
  %14 = getelementptr inbounds i8, ptr %.0, i64 48
  tail call void @BrotliInitMemoryManager(ptr noundef nonnull %14, ptr noundef %0, ptr noundef %1, ptr noundef %2) #4
  tail call void @BrotliEncoderInitState(ptr noundef nonnull %.0)
  br label %.thread

.thread:                                          ; preds = %8, %11, %13
  %.017 = phi ptr [ %.0, %13 ], [ null, %11 ], [ null, %8 ]
  ret ptr %.017
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

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

; 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 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(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 #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 allocsize(0) }
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)"}


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