; LLVM IR from paintdream/DontStarveLuaJIT :: src/luajit/src (lj_gc)

; 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"

; 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: nounwind uwtable
declare hidden ptr @lj_mem_realloc(ptr noundef, ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define hidden ptr @lj_mem_grow(ptr noundef %0, ptr noundef %1, ptr noundef %2, i32 noundef %3, i32 noundef %4) #1 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !9
  store i32 %4, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  %12 = load ptr, ptr %8, align 8, !tbaa !5
  %13 = load i32, ptr %12, align 4, !tbaa !9
  %14 = shl i32 %13, 1
  store i32 %14, ptr %11, align 4, !tbaa !9
  %15 = load i32, ptr %11, align 4, !tbaa !9
  %16 = icmp ult i32 %15, 8
  br i1 %16, label %17, label %18

17:                                               ; preds = %5
  store i32 8, ptr %11, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %17, %5
  %19 = load i32, ptr %11, align 4, !tbaa !9
  %20 = load i32, ptr %9, align 4, !tbaa !9
  %21 = icmp ugt i32 %19, %20
  br i1 %21, label %22, label %24

22:                                               ; preds = %18
  %23 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %23, ptr %11, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %22, %18
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  %28 = load i32, ptr %27, align 4, !tbaa !9
  %29 = load i32, ptr %10, align 4, !tbaa !9
  %30 = mul i32 %28, %29
  %31 = load i32, ptr %11, align 4, !tbaa !9
  %32 = load i32, ptr %10, align 4, !tbaa !9
  %33 = mul i32 %31, %32
  %34 = call ptr @lj_mem_realloc(ptr noundef %25, ptr noundef %26, i32 noundef %30, i32 noundef %33)
  store ptr %34, ptr %7, align 8, !tbaa !5
  %35 = load i32, ptr %11, align 4, !tbaa !9
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  store i32 %35, ptr %36, align 4, !tbaa !9
  %37 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  ret ptr %37
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = !{!"int", !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"

; Function Attrs: nounwind uwtable
declare hidden ptr @lj_mem_realloc(ptr noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define hidden ptr @lj_mem_grow(ptr noundef %0, ptr noundef %1, ptr nocapture noundef %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #0 {
  %6 = load i32, ptr %2, align 4, !tbaa !5
  %7 = shl i32 %6, 1
  %spec.store.select = tail call i32 @llvm.umax.i32(i32 %7, i32 8)
  %spec.select = tail call i32 @llvm.umin.i32(i32 %spec.store.select, i32 %3)
  %8 = mul i32 %6, %4
  %9 = mul i32 %spec.select, %4
  %10 = tail call ptr @lj_mem_realloc(ptr noundef %0, ptr noundef %1, i32 noundef %8, i32 noundef %9)
  store i32 %spec.select, ptr %2, align 4, !tbaa !5
  ret ptr %10
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umax.i32(i32, i32) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umin.i32(i32, i32) #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 speculatable willreturn memory(none) }

!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/C++ TBAA"}


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