; LLVM IR from simon-zerisenay/42_Push_Swap :: src (calculate_cost)

; 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.t_list = type { i32, i32, i32, i32, i32, ptr }

; 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 i32 @find_cheapest(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  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
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %9, ptr %4, align 8, !tbaa !5
  store i32 2147483647, ptr %3, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %48, %1
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %52

13:                                               ; preds = %10
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.t_list, ptr %14, i32 0, i32 2
  %16 = load i32, ptr %15, align 8, !tbaa !11
  store i32 %16, ptr %5, align 4, !tbaa !9
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = icmp slt i32 %17, 0
  br i1 %18, label %19, label %24

19:                                               ; preds = %13
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.t_list, ptr %20, i32 0, i32 2
  %22 = load i32, ptr %21, align 8, !tbaa !11
  %23 = mul nsw i32 %22, -1
  store i32 %23, ptr %5, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %19, %13
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.t_list, ptr %25, i32 0, i32 3
  %27 = load i32, ptr %26, align 4, !tbaa !13
  store i32 %27, ptr %6, align 4, !tbaa !9
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = icmp slt i32 %28, 0
  br i1 %29, label %30, label %35

30:                                               ; preds = %24
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.t_list, ptr %31, i32 0, i32 3
  %33 = load i32, ptr %32, align 4, !tbaa !13
  %34 = mul nsw i32 %33, -1
  store i32 %34, ptr %6, align 4, !tbaa !9
  br label %35

35:                                               ; preds = %30, %24
  %36 = load i32, ptr %3, align 4, !tbaa !9
  %37 = load i32, ptr %5, align 4, !tbaa !9
  %38 = load i32, ptr %6, align 4, !tbaa !9
  %39 = add nsw i32 %37, %38
  %40 = icmp sgt i32 %36, %39
  br i1 %40, label %41, label %48

41:                                               ; preds = %35
  %42 = load i32, ptr %5, align 4, !tbaa !9
  %43 = load i32, ptr %6, align 4, !tbaa !9
  %44 = add nsw i32 %42, %43
  store i32 %44, ptr %3, align 4, !tbaa !9
  %45 = load ptr, ptr %4, align 8, !tbaa !5
  %46 = getelementptr inbounds %struct.t_list, ptr %45, i32 0, i32 4
  %47 = load i32, ptr %46, align 8, !tbaa !14
  store i32 %47, ptr %7, align 4, !tbaa !9
  br label %48

48:                                               ; preds = %41, %35
  %49 = load ptr, ptr %4, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.t_list, ptr %49, i32 0, i32 5
  %51 = load ptr, ptr %50, align 8, !tbaa !15
  store ptr %51, ptr %4, align 8, !tbaa !5
  br label %10, !llvm.loop !16

52:                                               ; preds = %10
  %53 = load i32, ptr %7, align 4, !tbaa !9
  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
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret i32 %53
}

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}
!11 = !{!12, !10, i64 8}
!12 = !{!"t_list", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !10, i64 16, !6, i64 24}
!13 = !{!12, !10, i64 12}
!14 = !{!12, !10, i64 16}
!15 = !{!12, !6, i64 24}
!16 = distinct !{!16, !17}
!17 = !{!"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: nofree norecurse nosync nounwind memory(read, inaccessiblemem: none) uwtable
define dso_local i32 @find_cheapest(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %.01725 = load ptr, ptr %0, align 8, !tbaa !5
  %.not26 = icmp eq ptr %.01725, null
  br i1 %.not26, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1, %11
  %.01729 = phi ptr [ %.017, %11 ], [ %.01725, %1 ]
  %.028 = phi i32 [ %.1, %11 ], [ undef, %1 ]
  %.01827 = phi i32 [ %.119, %11 ], [ 2147483647, %1 ]
  %2 = getelementptr inbounds i8, ptr %.01729, i64 8
  %3 = load i32, ptr %2, align 8, !tbaa !9
  %spec.select = tail call i32 @llvm.abs.i32(i32 %3, i1 true)
  %4 = getelementptr inbounds i8, ptr %.01729, i64 12
  %5 = load i32, ptr %4, align 4, !tbaa !12
  %.015 = tail call i32 @llvm.abs.i32(i32 %5, i1 true)
  %6 = add nuw nsw i32 %.015, %spec.select
  %7 = icmp sgt i32 %.01827, %6
  br i1 %7, label %8, label %11

8:                                                ; preds = %.lr.ph
  %9 = getelementptr inbounds i8, ptr %.01729, i64 16
  %10 = load i32, ptr %9, align 8, !tbaa !13
  br label %11

11:                                               ; preds = %8, %.lr.ph
  %.119 = phi i32 [ %6, %8 ], [ %.01827, %.lr.ph ]
  %.1 = phi i32 [ %10, %8 ], [ %.028, %.lr.ph ]
  %12 = getelementptr inbounds i8, ptr %.01729, i64 24
  %.017 = load ptr, ptr %12, align 8, !tbaa !5
  %.not = icmp eq ptr %.017, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !14

._crit_edge:                                      ; preds = %11, %1
  %.0.lcssa = phi i32 [ undef, %1 ], [ %.1, %11 ]
  ret i32 %.0.lcssa
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #1

attributes #0 = { nofree norecurse nosync nounwind memory(read, 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 8}
!10 = !{!"t_list", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !6, i64 24}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 12}
!13 = !{!10, !11, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass