; LLVM IR from sfu-dis/mosaicdb :: benchmarks/egen/DateTime.ll (ZN4TPCE9CDateTimemiERKS0_)

; 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.TPCE::CDateTime" = type { i32, i32, 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 nounwind uwtable
define dso_local noundef double @_ZN4TPCE9CDateTimemiERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca double, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %7 = getelementptr inbounds %"class.TPCE::CDateTime", ptr %6, i32 0, i32 0
  %8 = load i32, ptr %7, align 8, !tbaa !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %"class.TPCE::CDateTime", ptr %9, i32 0, i32 0
  %11 = load i32, ptr %10, align 8, !tbaa !9
  %12 = sub nsw i32 %8, %11
  %13 = mul nsw i32 %12, 60
  %14 = mul nsw i32 %13, 60
  %15 = mul nsw i32 %14, 24
  %16 = sitofp i32 %15 to double
  store double %16, ptr %5, align 8, !tbaa !12
  %17 = getelementptr inbounds %"class.TPCE::CDateTime", ptr %6, i32 0, i32 1
  %18 = load i32, ptr %17, align 4, !tbaa !14
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %"class.TPCE::CDateTime", ptr %19, i32 0, i32 1
  %21 = load i32, ptr %20, align 4, !tbaa !14
  %22 = sub nsw i32 %18, %21
  %23 = sitofp i32 %22 to double
  %24 = fdiv double %23, 1.000000e+03
  %25 = load double, ptr %5, align 8, !tbaa !12
  %26 = fadd double %25, %24
  store double %26, ptr %5, align 8, !tbaa !12
  %27 = load double, ptr %5, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret double %27
}

attributes #0 = { nocallback nofree nosync 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" }
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 = !{!10, !11, i64 0}
!10 = !{!"_ZTSN4TPCE9CDateTimeE", !11, i64 0, !11, i64 4, !6, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !7, i64 0}
!14 = !{!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 nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef double @_ZN4TPCE9CDateTimemiERKS0_(ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %1) local_unnamed_addr #0 align 2 {
  %3 = load i32, ptr %0, align 8, !tbaa !5
  %4 = load i32, ptr %1, align 8, !tbaa !5
  %5 = sub nsw i32 %3, %4
  %6 = mul i32 %5, 86400
  %7 = sitofp i32 %6 to double
  %8 = getelementptr inbounds i8, ptr %0, i64 4
  %9 = load i32, ptr %8, align 4, !tbaa !11
  %10 = getelementptr inbounds i8, ptr %1, i64 4
  %11 = load i32, ptr %10, align 4, !tbaa !11
  %12 = sub nsw i32 %9, %11
  %13 = sitofp i32 %12 to double
  %14 = fdiv double %13, 1.000000e+03
  %15 = fadd double %14, %7
  ret double %15
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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 = !{!"_ZTSN4TPCE9CDateTimeE", !7, i64 0, !7, i64 4, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 4}


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