; LLVM IR from dmr-goncalves/HumanAwareRobotNavigation :: src/husky/husky_base/src/horizon_legacy/Message.ll (ZN9clearpath7Message10getPayloadEPvm)

; 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.clearpath::Message" = type <{ ptr, [256 x i8], i64, i8, [7 x i8] }>

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_ZN9clearpath7Message10getPayloadEPvm(ptr noundef nonnull align 8 dereferenceable(273) %0, ptr noundef %1, i64 noundef %2) #1 align 2 {
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  %8 = load ptr, ptr %5, align 8
  %9 = call noundef i64 @_ZN9clearpath7Message16getPayloadLengthEv(ptr noundef nonnull align 8 dereferenceable(273) %8)
  %10 = load i64, ptr %7, align 8, !tbaa !9
  %11 = icmp ugt i64 %9, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %3
  store i64 0, ptr %4, align 8
  br label %20

13:                                               ; preds = %3
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = getelementptr inbounds %"class.clearpath::Message", ptr %8, i32 0, i32 1
  %16 = getelementptr inbounds [256 x i8], ptr %15, i64 0, i64 0
  %17 = getelementptr inbounds i8, ptr %16, i64 12
  %18 = call noundef i64 @_ZN9clearpath7Message16getPayloadLengthEv(ptr noundef nonnull align 8 dereferenceable(273) %8)
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %14, ptr align 1 %17, i64 %18, i1 false)
  %19 = call noundef i64 @_ZN9clearpath7Message16getPayloadLengthEv(ptr noundef nonnull align 8 dereferenceable(273) %8)
  store i64 %19, ptr %4, align 8
  br label %20

20:                                               ; preds = %13, %12
  %21 = load i64, ptr %4, align 8
  ret i64 %21
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN9clearpath7Message16getPayloadLengthEv(ptr noundef nonnull align 8 dereferenceable(273)) #2 align 2

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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, !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 = !{!"long", !7, 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: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i64 @_ZN9clearpath7Message10getPayloadEPvm(ptr noundef nonnull align 8 dereferenceable(273) %0, ptr nocapture noundef writeonly %1, i64 noundef %2) local_unnamed_addr #1 align 2 {
  %4 = tail call noundef i64 @_ZN9clearpath7Message16getPayloadLengthEv(ptr noundef nonnull align 8 dereferenceable(273) %0)
  %5 = icmp ugt i64 %4, %2
  br i1 %5, label %10, label %6

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %0, i64 20
  %8 = tail call noundef i64 @_ZN9clearpath7Message16getPayloadLengthEv(ptr noundef nonnull align 8 dereferenceable(273) %0)
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 %1, ptr nonnull align 4 %7, i64 %8, i1 false)
  %9 = tail call noundef i64 @_ZN9clearpath7Message16getPayloadLengthEv(ptr noundef nonnull align 8 dereferenceable(273) %0)
  br label %10

10:                                               ; preds = %3, %6
  %.0 = phi i64 [ %9, %6 ], [ 0, %3 ]
  ret i64 %.0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN9clearpath7Message16getPayloadLengthEv(ptr noundef nonnull align 8 dereferenceable(273)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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)"}


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