; LLVM IR from cyberbotics/webots_ros2 :: webots_ros2_driver/webots/projects/default/libraries/vehicle/cpp/driver/src/_d2c208c9 (ZN6webots6Driver17getDriverInstanceEv)

; 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"

@_ZN6webots6Driver9dInstanceE = external dso_local global ptr, align 8

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN6webots6Driver17getDriverInstanceEv() #1 align 2 personality ptr @__gxx_personality_v0 {
  %1 = alloca ptr, align 8
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = load ptr, ptr @_ZN6webots6Driver9dInstanceE, align 8, !tbaa !5
  %5 = icmp ne ptr %4, null
  br i1 %5, label %6, label %8

6:                                                ; preds = %0
  %7 = load ptr, ptr @_ZN6webots6Driver9dInstanceE, align 8, !tbaa !5
  store ptr %7, ptr %1, align 8
  br label %15

8:                                                ; preds = %0
  %9 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 32) #3
  invoke void @_ZN6webots6DriverC1Ev(ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %10 unwind label %11

10:                                               ; preds = %8
  store ptr %9, ptr %1, align 8
  br label %15

11:                                               ; preds = %8
  %12 = landingpad { ptr, i32 }
          cleanup
  %13 = extractvalue { ptr, i32 } %12, 0
  store ptr %13, ptr %2, align 8
  %14 = extractvalue { ptr, i32 } %12, 1
  store i32 %14, ptr %3, align 4
  call void @_ZdlPvm(ptr noundef %9, i64 noundef 32) #4
  br label %17

15:                                               ; preds = %10, %6
  %16 = load ptr, ptr %1, align 8
  ret ptr %16

17:                                               ; preds = %11
  %18 = load ptr, ptr %2, align 8
  %19 = load i32, ptr %3, align 4
  %20 = insertvalue { ptr, i32 } poison, ptr %18, 0
  %21 = insertvalue { ptr, i32 } %20, i32 %19, 1
  resume { ptr, i32 } %21
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

declare void @_ZN6webots6DriverC1Ev(ptr)

attributes #0 = { nobuiltin nounwind "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 = { 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 #2 = { nobuiltin allocsize(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 = { builtin allocsize(0) }
attributes #4 = { builtin 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"}


; 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"

@_ZN6webots6Driver9dInstanceE = external dso_local local_unnamed_addr global ptr, align 8

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull ptr @_ZN6webots6Driver17getDriverInstanceEv() local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %1 = load ptr, ptr @_ZN6webots6Driver9dInstanceE, align 8, !tbaa !5
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %2, label %6

2:                                                ; preds = %0
  %3 = tail call noalias noundef nonnull dereferenceable(32) ptr @_Znwm(i64 noundef 32) #3
  invoke void @_ZN6webots6DriverC1Ev(ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %6 unwind label %4

4:                                                ; preds = %2
  %5 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 32) #4
  resume { ptr, i32 } %5

6:                                                ; preds = %2, %0
  %.0 = phi ptr [ %1, %0 ], [ %3, %2 ]
  ret ptr %.0
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #2

declare void @_ZN6webots6DriverC1Ev(ptr) local_unnamed_addr

attributes #0 = { nobuiltin nounwind "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 = { 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 #2 = { nobuiltin allocsize(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 = { builtin allocsize(0) }
attributes #4 = { builtin 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"}


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