; LLVM IR from TobiasKozel/VAE :: external/tracy/common/TracySocket.ll (ZN5tracy6Socket7ReadRawEPvii)

; 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: mustprogress uwtable
declare dso_local noundef i32 @_ZN5tracy6Socket4RecvEPvii(ptr noundef nonnull align 8 dereferenceable(44), ptr noundef, i32 noundef, i32 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN5tracy6Socket7ReadRawEPvii(ptr noundef nonnull align 8 dereferenceable(44) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #1 align 2 {
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !9
  store i32 %3, ptr %9, align 4, !tbaa !9
  %13 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %14, ptr %10, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %36, %4
  %16 = load i32, ptr %8, align 4, !tbaa !9
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %18, label %37

18:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  %19 = load ptr, ptr %10, align 8, !tbaa !5
  %20 = load i32, ptr %8, align 4, !tbaa !9
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = call noundef i32 @_ZN5tracy6Socket4RecvEPvii(ptr noundef nonnull align 8 dereferenceable(44) %13, ptr noundef %19, i32 noundef %20, i32 noundef %21)
  store i32 %22, ptr %11, align 4, !tbaa !9
  %23 = load i32, ptr %11, align 4, !tbaa !9
  %24 = icmp sle i32 %23, 0
  br i1 %24, label %25, label %26

25:                                               ; preds = %18
  store i1 false, ptr %5, align 1
  store i32 1, ptr %12, align 4
  br label %34

26:                                               ; preds = %18
  %27 = load i32, ptr %11, align 4, !tbaa !9
  %28 = load i32, ptr %8, align 4, !tbaa !9
  %29 = sub nsw i32 %28, %27
  store i32 %29, ptr %8, align 4, !tbaa !9
  %30 = load i32, ptr %11, align 4, !tbaa !9
  %31 = load ptr, ptr %10, align 8, !tbaa !5
  %32 = sext i32 %30 to i64
  %33 = getelementptr inbounds i8, ptr %31, i64 %32
  store ptr %33, ptr %10, align 8, !tbaa !5
  store i32 0, ptr %12, align 4
  br label %34

34:                                               ; preds = %26, %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  %35 = load i32, ptr %12, align 4
  switch i32 %35, label %38 [
    i32 0, label %36
  ]

36:                                               ; preds = %34
  br label %15, !llvm.loop !11

37:                                               ; preds = %15
  store i1 true, ptr %5, align 1
  store i32 1, ptr %12, align 4
  br label %38

38:                                               ; preds = %37, %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  %39 = load i1, ptr %5, align 1
  ret i1 %39
}

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 = { 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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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: mustprogress uwtable
declare dso_local noundef i32 @_ZN5tracy6Socket4RecvEPvii(ptr noundef nonnull align 8 dereferenceable(44), ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN5tracy6Socket7ReadRawEPvii(ptr noundef nonnull align 8 dereferenceable(44) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 align 2 {
  br label %5

5:                                                ; preds = %7, %4
  %.015 = phi i32 [ %2, %4 ], [ %10, %7 ]
  %.013 = phi ptr [ %1, %4 ], [ %12, %7 ]
  %6 = icmp slt i32 %.015, 1
  br i1 %6, label %13, label %7

7:                                                ; preds = %5
  %8 = tail call noundef i32 @_ZN5tracy6Socket4RecvEPvii(ptr noundef nonnull align 8 dereferenceable(44) %0, ptr noundef %.013, i32 noundef %.015, i32 noundef %3)
  %9 = icmp sgt i32 %8, 0
  %10 = sub nsw i32 %.015, %8
  %11 = zext nneg i32 %8 to i64
  %12 = getelementptr inbounds i8, ptr %.013, i64 %11
  br i1 %9, label %5, label %13, !llvm.loop !5

13:                                               ; preds = %5, %7
  ret i1 %6
}

attributes #0 = { 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" }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass