; LLVM IR from Tencent-RoboticsX/jbdl :: src/jbdl/experimental/qpoases/src/Indexlist.ll (ZNK7qpOASES9Indexlist8getIndexEi)

; 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"

%"class.qpOASES::Indexlist" = type <{ ptr, ptr, i32, i32, i32, i32, i32, [4 x i8] }>

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK7qpOASES9Indexlist8getIndexEi(ptr noundef nonnull align 8 dereferenceable(36) %0, i32 noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = call noundef i32 @_ZNK7qpOASES9Indexlist10findInsertEi(ptr noundef nonnull align 8 dereferenceable(36) %6, i32 noundef %7)
  store i32 %8, ptr %5, align 4, !tbaa !9
  %9 = getelementptr inbounds %"class.qpOASES::Indexlist", ptr %6, i32 0, i32 0
  %10 = load ptr, ptr %9, align 8, !tbaa !11
  %11 = getelementptr inbounds %"class.qpOASES::Indexlist", ptr %6, i32 0, i32 1
  %12 = load ptr, ptr %11, align 8, !tbaa !13
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds i32, ptr %12, i64 %14
  %16 = load i32, ptr %15, align 4, !tbaa !9
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds i32, ptr %10, i64 %17
  %19 = load i32, ptr %18, align 4, !tbaa !9
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = icmp eq i32 %19, %20
  br i1 %21, label %22, label %29

22:                                               ; preds = %2
  %23 = getelementptr inbounds %"class.qpOASES::Indexlist", ptr %6, i32 0, i32 1
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds i32, ptr %24, i64 %26
  %28 = load i32, ptr %27, align 4, !tbaa !9
  br label %30

29:                                               ; preds = %2
  br label %30

30:                                               ; preds = %29, %22
  %31 = phi i32 [ %28, %22 ], [ -1, %29 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret i32 %31
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK7qpOASES9Indexlist10findInsertEi(ptr noundef nonnull align 8 dereferenceable(36), i32 noundef) #2 align 2

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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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 #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 = !{!"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 = !{!12, !6, i64 0}
!12 = !{!"_ZTSN7qpOASES9IndexlistE", !6, i64 0, !6, i64 8, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !10, i64 32}
!13 = !{!12, !6, i64 8}


; 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 nounwind uwtable
define dso_local noundef i32 @_ZNK7qpOASES9Indexlist8getIndexEi(ptr noundef nonnull align 8 dereferenceable(36) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef i32 @_ZNK7qpOASES9Indexlist10findInsertEi(ptr noundef nonnull align 8 dereferenceable(36) %0, i32 noundef %1)
  %4 = load ptr, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load ptr, ptr %5, align 8, !tbaa !11
  %7 = sext i32 %3 to i64
  %8 = getelementptr inbounds i32, ptr %6, i64 %7
  %9 = load i32, ptr %8, align 4, !tbaa !12
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds i32, ptr %4, i64 %10
  %12 = load i32, ptr %11, align 4, !tbaa !12
  %13 = icmp eq i32 %12, %1
  %spec.select = select i1 %13, i32 %9, i32 -1
  ret i32 %spec.select
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK7qpOASES9Indexlist10findInsertEi(ptr noundef nonnull align 8 dereferenceable(36), i32 noundef) local_unnamed_addr #0 align 2

attributes #0 = { mustprogress 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" }

!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 = !{!"_ZTSN7qpOASES9IndexlistE", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !10, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 8}
!12 = !{!10, !10, i64 0}


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