; LLVM IR from nasa/astrobee :: management/cpu_mem_monitor/src/cpu.ll (ZN15cpu_mem_monitor3Cpu14GetTemperatureEd)

; 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.cpu_mem_monitor::Cpu" = type { %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", %"class.std::vector.4", %"class.std::vector.9" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector.4" = type { %"struct.std::_Vector_base.5" }
%"struct.std::_Vector_base.5" = type { %"struct.std::_Vector_base<cpu_mem_monitor::Core *, std::allocator<cpu_mem_monitor::Core *>>::_Vector_impl" }
%"struct.std::_Vector_base<cpu_mem_monitor::Core *, std::allocator<cpu_mem_monitor::Core *>>::_Vector_impl" = type { %"struct.std::_Vector_base<cpu_mem_monitor::Core *, std::allocator<cpu_mem_monitor::Core *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cpu_mem_monitor::Core *, std::allocator<cpu_mem_monitor::Core *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.9" = type { %"struct.std::_Vector_base.10" }
%"struct.std::_Vector_base.10" = type { %"struct.std::_Vector_base<cpu_mem_monitor::ThermalZone *, std::allocator<cpu_mem_monitor::ThermalZone *>>::_Vector_impl" }
%"struct.std::_Vector_base<cpu_mem_monitor::ThermalZone *, std::allocator<cpu_mem_monitor::ThermalZone *>>::_Vector_impl" = type { %"struct.std::_Vector_base<cpu_mem_monitor::ThermalZone *, std::allocator<cpu_mem_monitor::ThermalZone *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cpu_mem_monitor::ThermalZone *, std::allocator<cpu_mem_monitor::ThermalZone *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef double @_ZN15cpu_mem_monitor11ThermalZone14GetTemperatureEd(ptr noundef nonnull align 8 dereferenceable(36), double noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIPN15cpu_mem_monitor11ThermalZoneESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN15cpu_mem_monitor11ThermalZoneESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_ZN15cpu_mem_monitor3Cpu14GetTemperatureEd(ptr noundef nonnull align 8 dereferenceable(112) %0, double noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  %5 = alloca double, align 8
  %6 = alloca i64, align 8
  %7 = alloca double, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !9
  %8 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store double 0.000000e+00, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 0, ptr %6, align 8, !tbaa !11
  br label %9

9:                                                ; preds = %31, %2
  %10 = load i64, ptr %6, align 8, !tbaa !11
  %11 = getelementptr inbounds %"class.cpu_mem_monitor::Cpu", ptr %8, i32 0, i32 3
  %12 = call noundef i64 @_ZNKSt6vectorIPN15cpu_mem_monitor11ThermalZoneESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #3
  %13 = icmp ult i64 %10, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %34

15:                                               ; preds = %9
  %16 = load i64, ptr %6, align 8, !tbaa !11
  %17 = icmp eq i64 %16, 11
  br i1 %17, label %18, label %19

18:                                               ; preds = %15
  br label %31

19:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %20 = getelementptr inbounds %"class.cpu_mem_monitor::Cpu", ptr %8, i32 0, i32 3
  %21 = load i64, ptr %6, align 8, !tbaa !11
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN15cpu_mem_monitor11ThermalZoneESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef %21) #3
  %23 = load ptr, ptr %22, align 8, !tbaa !5
  %24 = call noundef double @_ZN15cpu_mem_monitor11ThermalZone14GetTemperatureEd(ptr noundef nonnull align 8 dereferenceable(36) %23, double noundef 1.000000e+00)
  store double %24, ptr %7, align 8, !tbaa !9
  %25 = load double, ptr %7, align 8, !tbaa !9
  %26 = load double, ptr %5, align 8, !tbaa !9
  %27 = fcmp ogt double %25, %26
  br i1 %27, label %28, label %30

28:                                               ; preds = %19
  %29 = load double, ptr %7, align 8, !tbaa !9
  store double %29, ptr %5, align 8, !tbaa !9
  br label %30

30:                                               ; preds = %28, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %31

31:                                               ; preds = %30, %18
  %32 = load i64, ptr %6, align 8, !tbaa !11
  %33 = add i64 %32, 1
  store i64 %33, ptr %6, align 8, !tbaa !11
  br label %9, !llvm.loop !13

34:                                               ; preds = %14
  %35 = load double, ptr %5, align 8, !tbaa !9
  %36 = load double, ptr %4, align 8, !tbaa !9
  %37 = fmul double %35, %36
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret double %37
}

attributes #0 = { nocallback nofree nosync 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" }
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 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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 uwtable
declare dso_local noundef double @_ZN15cpu_mem_monitor11ThermalZone14GetTemperatureEd(ptr noundef nonnull align 8 dereferenceable(36), double noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIPN15cpu_mem_monitor11ThermalZoneESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN15cpu_mem_monitor11ThermalZoneESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_ZN15cpu_mem_monitor3Cpu14GetTemperatureEd(ptr noundef nonnull align 8 dereferenceable(112) %0, double noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 88
  %4 = tail call noundef i64 @_ZNKSt6vectorIPN15cpu_mem_monitor11ThermalZoneESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %12, %2
  %.0.lcssa = phi double [ 0.000000e+00, %2 ], [ %.2, %12 ]
  %5 = fmul double %.0.lcssa, %1
  ret double %5

.lr.ph:                                           ; preds = %2, %12
  %.012 = phi double [ %.2, %12 ], [ 0.000000e+00, %2 ]
  %.0911 = phi i64 [ %13, %12 ], [ 0, %2 ]
  %6 = icmp eq i64 %.0911, 11
  br i1 %6, label %12, label %7

7:                                                ; preds = %.lr.ph
  %8 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN15cpu_mem_monitor11ThermalZoneESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.0911) #2
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = tail call noundef double @_ZN15cpu_mem_monitor11ThermalZone14GetTemperatureEd(ptr noundef nonnull align 8 dereferenceable(36) %9, double noundef 1.000000e+00)
  %11 = fcmp ogt double %10, %.012
  %.1 = select i1 %11, double %10, double %.012
  br label %12

12:                                               ; preds = %.lr.ph, %7
  %.2 = phi double [ %.012, %.lr.ph ], [ %.1, %7 ]
  %13 = add nuw i64 %.0911, 1
  %14 = tail call noundef i64 @_ZNKSt6vectorIPN15cpu_mem_monitor11ThermalZoneESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %15 = icmp ult i64 %13, %14
  br i1 %15, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

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 = { 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 #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++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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