; LLVM IR from AlgoGenesis/C :: Sorting Algorithms/Bingo sort (bingo_sort)

; 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: nounwind uwtable
define dso_local void @bingoSort(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds i32, ptr %12, i64 0
  %14 = load i32, ptr %13, align 4, !tbaa !9
  store i32 %14, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  store i32 1, ptr %8, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %35, %2
  %16 = load i32, ptr %8, align 4, !tbaa !9
  %17 = load i32, ptr %4, align 4, !tbaa !9
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  br label %38

20:                                               ; preds = %15
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = load i32, ptr %8, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds i32, ptr %21, i64 %23
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = load i32, ptr %5, align 4, !tbaa !9
  %27 = icmp sgt i32 %25, %26
  br i1 %27, label %28, label %34

28:                                               ; preds = %20
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = load i32, ptr %8, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds i32, ptr %29, i64 %31
  %33 = load i32, ptr %32, align 4, !tbaa !9
  store i32 %33, ptr %5, align 4, !tbaa !9
  br label %34

34:                                               ; preds = %28, %20
  br label %35

35:                                               ; preds = %34
  %36 = load i32, ptr %8, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %8, align 4, !tbaa !9
  br label %15, !llvm.loop !11

38:                                               ; preds = %19
  %39 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %39, ptr %6, align 4, !tbaa !9
  %40 = load i32, ptr %4, align 4, !tbaa !9
  %41 = sub nsw i32 %40, 1
  store i32 %41, ptr %7, align 4, !tbaa !9
  br label %42

42:                                               ; preds = %100, %38
  %43 = load i32, ptr %7, align 4, !tbaa !9
  %44 = icmp sgt i32 %43, 0
  br i1 %44, label %45, label %102

45:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  store i32 -1, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %46

46:                                               ; preds = %97, %45
  %47 = load i32, ptr %10, align 4, !tbaa !9
  %48 = load i32, ptr %7, align 4, !tbaa !9
  %49 = icmp sle i32 %47, %48
  br i1 %49, label %51, label %50

50:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  br label %100

51:                                               ; preds = %46
  %52 = load ptr, ptr %3, align 8, !tbaa !5
  %53 = load i32, ptr %10, align 4, !tbaa !9
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds i32, ptr %52, i64 %54
  %56 = load i32, ptr %55, align 4, !tbaa !9
  %57 = load i32, ptr %6, align 4, !tbaa !9
  %58 = icmp eq i32 %56, %57
  br i1 %58, label %59, label %81

59:                                               ; preds = %51
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  %60 = load ptr, ptr %3, align 8, !tbaa !5
  %61 = load i32, ptr %10, align 4, !tbaa !9
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds i32, ptr %60, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !9
  store i32 %64, ptr %11, align 4, !tbaa !9
  %65 = load ptr, ptr %3, align 8, !tbaa !5
  %66 = load i32, ptr %7, align 4, !tbaa !9
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds i32, ptr %65, i64 %67
  %69 = load i32, ptr %68, align 4, !tbaa !9
  %70 = load ptr, ptr %3, align 8, !tbaa !5
  %71 = load i32, ptr %10, align 4, !tbaa !9
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds i32, ptr %70, i64 %72
  store i32 %69, ptr %73, align 4, !tbaa !9
  %74 = load i32, ptr %11, align 4, !tbaa !9
  %75 = load ptr, ptr %3, align 8, !tbaa !5
  %76 = load i32, ptr %7, align 4, !tbaa !9
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds i32, ptr %75, i64 %77
  store i32 %74, ptr %78, align 4, !tbaa !9
  %79 = load i32, ptr %7, align 4, !tbaa !9
  %80 = add nsw i32 %79, -1
  store i32 %80, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  br label %96

81:                                               ; preds = %51
  %82 = load ptr, ptr %3, align 8, !tbaa !5
  %83 = load i32, ptr %10, align 4, !tbaa !9
  %84 = sext i32 %83 to i64
  %85 = getelementptr inbounds i32, ptr %82, i64 %84
  %86 = load i32, ptr %85, align 4, !tbaa !9
  %87 = load i32, ptr %9, align 4, !tbaa !9
  %88 = icmp sgt i32 %86, %87
  br i1 %88, label %89, label %95

89:                                               ; preds = %81
  %90 = load ptr, ptr %3, align 8, !tbaa !5
  %91 = load i32, ptr %10, align 4, !tbaa !9
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds i32, ptr %90, i64 %92
  %94 = load i32, ptr %93, align 4, !tbaa !9
  store i32 %94, ptr %9, align 4, !tbaa !9
  br label %95

95:                                               ; preds = %89, %81
  br label %96

96:                                               ; preds = %95, %59
  br label %97

97:                                               ; preds = %96
  %98 = load i32, ptr %10, align 4, !tbaa !9
  %99 = add nsw i32 %98, 1
  store i32 %99, ptr %10, align 4, !tbaa !9
  br label %46, !llvm.loop !13

100:                                              ; preds = %50
  %101 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %101, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  br label %42, !llvm.loop !14

102:                                              ; preds = %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret void
}

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

; 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 }

!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}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; 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: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable
define dso_local void @bingoSort(ptr nocapture noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp sgt i32 %1, 1
  br i1 %3, label %.lr.ph.preheader, label %._crit_edge52

.lr.ph.preheader:                                 ; preds = %2
  %4 = load i32, ptr %0, align 4, !tbaa !5
  %wide.trip.count = zext nneg i32 %1 to i64
  %5 = add nsw i64 %wide.trip.count, -1
  %min.iters.check = icmp ult i32 %1, 9
  br i1 %min.iters.check, label %.lr.ph.preheader60, label %vector.ph

.lr.ph.preheader60:                               ; preds = %middle.block, %.lr.ph.preheader
  %indvars.iv.ph = phi i64 [ 1, %.lr.ph.preheader ], [ %ind.end, %middle.block ]
  %.046.ph = phi i32 [ %4, %.lr.ph.preheader ], [ %11, %middle.block ]
  br label %.lr.ph

vector.ph:                                        ; preds = %.lr.ph.preheader
  %n.vec = and i64 %5, -8
  %ind.end = or disjoint i64 %n.vec, 1
  %minmax.ident.splatinsert = insertelement <4 x i32> poison, i32 %4, i64 0
  %minmax.ident.splat = shufflevector <4 x i32> %minmax.ident.splatinsert, <4 x i32> poison, <4 x i32> zeroinitializer
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.phi = phi <4 x i32> [ %minmax.ident.splat, %vector.ph ], [ %8, %vector.body ]
  %vec.phi58 = phi <4 x i32> [ %minmax.ident.splat, %vector.ph ], [ %9, %vector.body ]
  %offset.idx = or disjoint i64 %index, 1
  %6 = getelementptr inbounds i32, ptr %0, i64 %offset.idx
  %7 = getelementptr inbounds i8, ptr %6, i64 16
  %wide.load = load <4 x i32>, ptr %6, align 4, !tbaa !5
  %wide.load59 = load <4 x i32>, ptr %7, align 4, !tbaa !5
  %8 = tail call <4 x i32> @llvm.smax.v4i32(<4 x i32> %wide.load, <4 x i32> %vec.phi)
  %9 = tail call <4 x i32> @llvm.smax.v4i32(<4 x i32> %wide.load59, <4 x i32> %vec.phi58)
  %index.next = add nuw i64 %index, 8
  %10 = icmp eq i64 %index.next, %n.vec
  br i1 %10, label %middle.block, label %vector.body, !llvm.loop !9

middle.block:                                     ; preds = %vector.body
  %rdx.minmax = tail call <4 x i32> @llvm.smax.v4i32(<4 x i32> %8, <4 x i32> %9)
  %11 = tail call i32 @llvm.vector.reduce.smax.v4i32(<4 x i32> %rdx.minmax)
  %cmp.n = icmp eq i64 %5, %n.vec
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph.preheader60

._crit_edge:                                      ; preds = %.lr.ph, %middle.block
  %spec.select.lcssa = phi i32 [ %11, %middle.block ], [ %spec.select, %.lr.ph ]
  br i1 %3, label %.preheader.preheader, label %._crit_edge52

.preheader.preheader:                             ; preds = %._crit_edge
  %12 = add nsw i32 %1, -1
  br label %.preheader

.lr.ph:                                           ; preds = %.lr.ph.preheader60, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ %indvars.iv.ph, %.lr.ph.preheader60 ]
  %.046 = phi i32 [ %spec.select, %.lr.ph ], [ %.046.ph, %.lr.ph.preheader60 ]
  %13 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %spec.select = tail call i32 @llvm.smax.i32(i32 %14, i32 %.046)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !13

.loopexit:                                        ; preds = %26
  %15 = icmp sgt i32 %.2, 0
  br i1 %15, label %.preheader, label %._crit_edge52, !llvm.loop !14

.preheader:                                       ; preds = %.preheader.preheader, %.loopexit
  %.03751 = phi i32 [ %.2, %.loopexit ], [ %12, %.preheader.preheader ]
  %.03950 = phi i32 [ %.135, %.loopexit ], [ %spec.select.lcssa, %.preheader.preheader ]
  br label %16

16:                                               ; preds = %.preheader, %26
  %indvars.iv54 = phi i64 [ 0, %.preheader ], [ %indvars.iv.next55, %26 ]
  %.03448 = phi i32 [ -1, %.preheader ], [ %.135, %26 ]
  %.13847 = phi i32 [ %.03751, %.preheader ], [ %.2, %26 ]
  %17 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv54
  %18 = load i32, ptr %17, align 4, !tbaa !5
  %19 = icmp eq i32 %18, %.03950
  br i1 %19, label %20, label %25

20:                                               ; preds = %16
  %21 = sext i32 %.13847 to i64
  %22 = getelementptr inbounds i32, ptr %0, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !5
  store i32 %23, ptr %17, align 4, !tbaa !5
  store i32 %.03950, ptr %22, align 4, !tbaa !5
  %24 = add nsw i32 %.13847, -1
  br label %26

25:                                               ; preds = %16
  %spec.select44 = tail call i32 @llvm.smax.i32(i32 %18, i32 %.03448)
  br label %26

26:                                               ; preds = %25, %20
  %.2 = phi i32 [ %24, %20 ], [ %.13847, %25 ]
  %.135 = phi i32 [ %.03448, %20 ], [ %spec.select44, %25 ]
  %indvars.iv.next55 = add nuw nsw i64 %indvars.iv54, 1
  %27 = sext i32 %.2 to i64
  %.not.not = icmp slt i64 %indvars.iv54, %27
  br i1 %.not.not, label %16, label %.loopexit, !llvm.loop !15

._crit_edge52:                                    ; preds = %.loopexit, %2, %._crit_edge
  ret void
}

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <4 x i32> @llvm.smax.v4i32(<4 x i32>, <4 x i32>) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.vector.reduce.smax.v4i32(<4 x i32>) #1

attributes #0 = { nofree norecurse nosync nounwind memory(argmem: readwrite) 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"}
!9 = distinct !{!9, !10, !11, !12}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.isvectorized", i32 1}
!12 = !{!"llvm.loop.unroll.runtime.disable"}
!13 = distinct !{!13, !10, !12, !11}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass