; LLVM IR from TobiasKozel/VAE :: external/tracy/common/TracySocket.ll (ZN5tracy6Socket4ReadEPvii)

; 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
define dso_local noundef zeroext i1 @_ZN5tracy6Socket4ReadEPvii(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
  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
  %12 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %13, ptr %10, align 8, !tbaa !5
  br label %14

14:                                               ; preds = %21, %4
  %15 = load i32, ptr %8, align 4, !tbaa !9
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %17, label %22

17:                                               ; preds = %14
  %18 = load i32, ptr %9, align 4, !tbaa !9
  %19 = call noundef zeroext i1 @_ZN5tracy6Socket8ReadImplERPcRii(ptr noundef nonnull align 8 dereferenceable(44) %12, ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 4 dereferenceable(4) %8, i32 noundef %18)
  br i1 %19, label %21, label %20

20:                                               ; preds = %17
  store i1 false, ptr %5, align 1
  store i32 1, ptr %11, align 4
  br label %23

21:                                               ; preds = %17
  br label %14, !llvm.loop !11

22:                                               ; preds = %14
  store i1 true, ptr %5, align 1
  store i32 1, ptr %11, align 4
  br label %23

23:                                               ; preds = %22, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  %24 = load i1, ptr %5, align 1
  ret i1 %24
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5tracy6Socket8ReadImplERPcRii(ptr noundef nonnull align 8 dereferenceable(44), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) #1 align 2

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

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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN5tracy6Socket4ReadEPvii(ptr noundef nonnull align 8 dereferenceable(44) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #1 align 2 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store i32 %2, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #2
  store ptr %1, ptr %6, align 8, !tbaa !9
  %7 = icmp slt i32 %2, 1
  br i1 %7, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %4, %.lr.ph
  %8 = call noundef zeroext i1 @_ZN5tracy6Socket8ReadImplERPcRii(ptr noundef nonnull align 8 dereferenceable(44) %0, ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(4) %5, i32 noundef %3)
  %.pr = load i32, ptr %5, align 4
  %9 = icmp sgt i32 %.pr, 0
  %or.cond.not = select i1 %8, i1 %9, i1 false
  br i1 %or.cond.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %4
  %.lcssa = phi i1 [ true, %4 ], [ %8, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #2
  ret i1 %.lcssa
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5tracy6Socket8ReadImplERPcRii(ptr noundef nonnull align 8 dereferenceable(44), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass