; LLVM IR from linorobot/linorobot :: teensy/firmware/lib/ros_lib/duration.ll (ZN3ros8DurationmIERKS0_)

; 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.ros::Duration" = type { i32, i32 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3ros22normalizeSecNSecSignedERiS0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZN3ros8DurationmIERKS0_(ptr noundef nonnull align 4 dereferenceable(8) %0, ptr noundef nonnull align 4 dereferenceable(8) %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %"class.ros::Duration", ptr %6, i32 0, i32 0
  %8 = load i32, ptr %7, align 4, !tbaa !9
  %9 = sub nsw i32 0, %8
  %10 = getelementptr inbounds %"class.ros::Duration", ptr %5, i32 0, i32 0
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = add nsw i32 %11, %9
  store i32 %12, ptr %10, align 4, !tbaa !9
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %"class.ros::Duration", ptr %13, i32 0, i32 1
  %15 = load i32, ptr %14, align 4, !tbaa !12
  %16 = sub nsw i32 0, %15
  %17 = getelementptr inbounds %"class.ros::Duration", ptr %5, i32 0, i32 1
  %18 = load i32, ptr %17, align 4, !tbaa !12
  %19 = add nsw i32 %18, %16
  store i32 %19, ptr %17, align 4, !tbaa !12
  %20 = getelementptr inbounds %"class.ros::Duration", ptr %5, i32 0, i32 0
  %21 = getelementptr inbounds %"class.ros::Duration", ptr %5, i32 0, i32 1
  call void @_ZN3ros22normalizeSecNSecSignedERiS0_(ptr noundef nonnull align 4 dereferenceable(4) %20, ptr noundef nonnull align 4 dereferenceable(4) %21)
  ret ptr %5
}

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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTSN3ros8DurationE", !11, i64 0, !11, i64 4}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 4}


; 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
declare dso_local void @_ZN3ros22normalizeSecNSecSignedERiS0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZN3ros8DurationmIERKS0_(ptr noundef nonnull returned align 4 dereferenceable(8) %0, ptr nocapture noundef nonnull readonly align 4 dereferenceable(8) %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 4
  %4 = load <2 x i32>, ptr %1, align 4, !tbaa !5
  %5 = load <2 x i32>, ptr %0, align 4, !tbaa !5
  %6 = sub <2 x i32> %5, %4
  store <2 x i32> %6, ptr %0, align 4, !tbaa !5
  tail call void @_ZN3ros22normalizeSecNSecSignedERiS0_(ptr noundef nonnull align 4 dereferenceable(4) %0, ptr noundef nonnull align 4 dereferenceable(4) %3)
  ret ptr %0
}

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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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