; LLVM IR from ejoy/ejoy2d :: lib (texture)

; 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.texture_pool = type { i32, [128 x %struct.texture] }
%struct.texture = type { i32, i32, float, float, i32, i32 }

@POOL = external hidden global %struct.texture_pool, align 4

; 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
define dso_local void @texture_swap(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %struct.texture, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  %6 = load i32, ptr %3, align 4, !tbaa !5
  %7 = icmp slt i32 %6, 0
  br i1 %7, label %19, label %8

8:                                                ; preds = %2
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = icmp slt i32 %9, 0
  br i1 %10, label %19, label %11

11:                                               ; preds = %8
  %12 = load i32, ptr %3, align 4, !tbaa !5
  %13 = load i32, ptr @POOL, align 4, !tbaa !9
  %14 = icmp sge i32 %12, %13
  br i1 %14, label %19, label %15

15:                                               ; preds = %11
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = load i32, ptr @POOL, align 4, !tbaa !9
  %18 = icmp sge i32 %16, %17
  br i1 %18, label %19, label %20

19:                                               ; preds = %15, %11, %8, %2
  br label %33

20:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #3
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [128 x %struct.texture], ptr getelementptr inbounds (%struct.texture_pool, ptr @POOL, i32 0, i32 1), i64 0, i64 %22
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %23, i64 24, i1 false), !tbaa.struct !11
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [128 x %struct.texture], ptr getelementptr inbounds (%struct.texture_pool, ptr @POOL, i32 0, i32 1), i64 0, i64 %25
  %27 = load i32, ptr %4, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [128 x %struct.texture], ptr getelementptr inbounds (%struct.texture_pool, ptr @POOL, i32 0, i32 1), i64 0, i64 %28
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %26, ptr align 4 %29, i64 24, i1 false), !tbaa.struct !11
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [128 x %struct.texture], ptr getelementptr inbounds (%struct.texture_pool, ptr @POOL, i32 0, i32 1), i64 0, i64 %31
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %32, ptr align 4 %5, i64 24, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #3
  br label %33

33:                                               ; preds = %20, %19
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"texture_pool", !6, i64 0, !7, i64 4}
!11 = !{i64 0, i64 4, !5, i64 4, i64 4, !5, i64 8, i64 4, !12, i64 12, i64 4, !12, i64 16, i64 4, !5, i64 20, i64 4, !5}
!12 = !{!13, !13, i64 0}
!13 = !{!"float", !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"

%struct.texture_pool = type { i32, [128 x %struct.texture] }
%struct.texture = type { i32, i32, float, float, i32, i32 }

@POOL = external hidden local_unnamed_addr global %struct.texture_pool, align 4

; 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 nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @texture_swap(i32 noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = alloca %struct.texture, align 4
  %4 = or i32 %1, %0
  %or.cond.not = icmp sgt i32 %4, -1
  br i1 %or.cond.not, label %5, label %12

5:                                                ; preds = %2
  %6 = load i32, ptr @POOL, align 4, !tbaa !5
  %.not = icmp sgt i32 %6, %0
  %.not11 = icmp sgt i32 %6, %1
  %or.cond = and i1 %.not, %.not11
  br i1 %or.cond, label %7, label %12

7:                                                ; preds = %5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3)
  %8 = zext nneg i32 %0 to i64
  %9 = getelementptr inbounds [128 x %struct.texture], ptr getelementptr inbounds (i8, ptr @POOL, i64 4), i64 0, i64 %8
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(24) %9, i64 24, i1 false), !tbaa.struct !10
  %10 = zext nneg i32 %1 to i64
  %11 = getelementptr inbounds [128 x %struct.texture], ptr getelementptr inbounds (i8, ptr @POOL, i64 4), i64 0, i64 %10
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(24) %9, ptr noundef nonnull align 4 dereferenceable(24) %11, i64 24, i1 false), !tbaa.struct !10
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(24) %11, ptr noundef nonnull align 4 dereferenceable(24) %3, i64 24, i1 false), !tbaa.struct !10
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3)
  br label %12

12:                                               ; preds = %2, %5, %7
  ret void
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }

!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, !7, i64 0}
!6 = !{!"texture_pool", !7, i64 0, !8, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{i64 0, i64 4, !11, i64 4, i64 4, !11, i64 8, i64 4, !12, i64 12, i64 4, !12, i64 16, i64 4, !11, i64 20, i64 4, !11}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"float", !8, i64 0}


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