; LLVM IR from CactiLab/Sherloc-Cortex-M-CFVD :: Sherloc_runtime/evaluation/src/sglib_listinsertsort (listinsertsort)

; 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.ilist = type { i32, ptr }

; Function Attrs: nounwind uwtable
define dso_local i32 @sglib_iListType_is_member(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %7, ptr %6, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %23, %2
  %9 = load ptr, ptr %6, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %20

11:                                               ; preds = %8
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.ilist, ptr %12, i32 0, i32 0
  %14 = load i32, ptr %13, align 8, !tbaa !9
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.ilist, ptr %15, i32 0, i32 0
  %17 = load i32, ptr %16, align 8, !tbaa !9
  %18 = sub nsw i32 %14, %17
  %19 = icmp slt i32 %18, 0
  br label %20

20:                                               ; preds = %11, %8
  %21 = phi i1 [ false, %8 ], [ %19, %11 ]
  br i1 %21, label %22, label %27

22:                                               ; preds = %20
  br label %23

23:                                               ; preds = %22
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.ilist, ptr %24, i32 0, i32 1
  %26 = load ptr, ptr %25, align 8, !tbaa !12
  store ptr %26, ptr %6, align 8, !tbaa !5
  br label %8, !llvm.loop !13

27:                                               ; preds = %20
  br label %28

28:                                               ; preds = %46, %27
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = icmp ne ptr %29, null
  br i1 %30, label %31, label %44

31:                                               ; preds = %28
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = icmp ne ptr %32, %33
  br i1 %34, label %35, label %44

35:                                               ; preds = %31
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.ilist, ptr %36, i32 0, i32 0
  %38 = load i32, ptr %37, align 8, !tbaa !9
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.ilist, ptr %39, i32 0, i32 0
  %41 = load i32, ptr %40, align 8, !tbaa !9
  %42 = sub nsw i32 %38, %41
  %43 = icmp eq i32 %42, 0
  br label %44

44:                                               ; preds = %35, %31, %28
  %45 = phi i1 [ false, %31 ], [ false, %28 ], [ %43, %35 ]
  br i1 %45, label %46, label %50

46:                                               ; preds = %44
  %47 = load ptr, ptr %6, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.ilist, ptr %47, i32 0, i32 1
  %49 = load ptr, ptr %48, align 8, !tbaa !12
  store ptr %49, ptr %6, align 8, !tbaa !5
  br label %28, !llvm.loop !15

50:                                               ; preds = %44
  %51 = load ptr, ptr %6, align 8, !tbaa !5
  %52 = load ptr, ptr %4, align 8, !tbaa !5
  %53 = icmp eq ptr %51, %52
  %54 = zext i1 %53 to i32
  store i32 %54, ptr %5, align 4, !tbaa !16
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %55 = load i32, ptr %5, align 4, !tbaa !16
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %55
}

; 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, !11, i64 0}
!10 = !{!"ilist", !11, i64 0, !6, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = !{!11, !11, 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"

; Function Attrs: nofree norecurse nosync nounwind memory(read, inaccessiblemem: none) uwtable
define dso_local range(i32 0, 2) i32 @sglib_iListType_is_member(ptr noundef readonly %0, ptr noundef readonly %1) local_unnamed_addr #0 {
  %.not18 = icmp eq ptr %0, null
  br i1 %.not18, label %.critedge.thread, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %3 = load i32, ptr %1, align 8, !tbaa !5
  br label %4

4:                                                ; preds = %.lr.ph, %7
  %.019 = phi ptr [ %0, %.lr.ph ], [ %9, %7 ]
  %5 = load i32, ptr %.019, align 8, !tbaa !5
  %6 = icmp slt i32 %5, %3
  br i1 %6, label %7, label %.critedge

7:                                                ; preds = %4
  %8 = getelementptr inbounds i8, ptr %.019, i64 8
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %.critedge.thread, label %4, !llvm.loop !12

.critedge.thread:                                 ; preds = %7, %2
  %.not172333 = icmp eq ptr %1, null
  br label %.critedge2

.critedge:                                        ; preds = %4
  %.not1723 = icmp eq ptr %.019, %1
  br i1 %.not1723, label %.critedge2, label %.lr.ph27

.lr.ph27:                                         ; preds = %.critedge
  %10 = load i32, ptr %1, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %.lr.ph27, %14
  %.125 = phi ptr [ %.019, %.lr.ph27 ], [ %16, %14 ]
  %12 = load i32, ptr %.125, align 8, !tbaa !5
  %13 = icmp eq i32 %12, %10
  br i1 %13, label %14, label %.critedge2

14:                                               ; preds = %11
  %15 = getelementptr inbounds i8, ptr %.125, i64 8
  %16 = load ptr, ptr %15, align 8, !tbaa !11
  %.not16 = icmp eq ptr %16, null
  %.not17 = icmp eq ptr %16, %1
  %or.cond = or i1 %.not16, %.not17
  br i1 %or.cond, label %.critedge2, label %11, !llvm.loop !14

.critedge2:                                       ; preds = %11, %14, %.critedge.thread, %.critedge
  %.not17.lcssa = phi i1 [ %.not1723, %.critedge ], [ %.not172333, %.critedge.thread ], [ %.not17, %14 ], [ false, %11 ]
  %17 = zext i1 %.not17.lcssa to i32
  ret i32 %17
}

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" }

!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 = !{!"ilist", !7, i64 0, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


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