; LLVM IR from chensoft/libsocket :: src/base/basic_option.ll (ZN4chen12basic_option8rcvtimeoEiii)

; 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"

%struct.timeval = type { i64, i64 }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN4chen12basic_option8rcvtimeoEiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) #2 align 2 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %struct.timeval, align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #4
  call void @llvm.memset.p0.i64(ptr align 8 %7, i8 0, i64 16, i1 false)
  %8 = load i32, ptr %5, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %10 = getelementptr inbounds %struct.timeval, ptr %7, i32 0, i32 0
  store i64 %9, ptr %10, align 8, !tbaa !9
  %11 = load i32, ptr %6, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds %struct.timeval, ptr %7, i32 0, i32 1
  store i64 %12, ptr %13, align 8, !tbaa !12
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = call noundef zeroext i1 @_ZN4chen12basic_option8rcvtimeoEiRK7timeval(i32 noundef %14, ptr noundef nonnull align 8 dereferenceable(16) %7)
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #4
  ret i1 %15
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN4chen12basic_option8rcvtimeoEiRK7timeval(i32 noundef, ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS7timeval", !11, i64 0, !11, i64 8}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 8}


; 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"

%struct.timeval = type { i64, i64 }

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

; Function Attrs: mustprogress 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 zeroext i1 @_ZN4chen12basic_option8rcvtimeoEiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 align 2 {
  %4 = alloca %struct.timeval, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #2
  %5 = sext i32 %1 to i64
  store i64 %5, ptr %4, align 8, !tbaa !5
  %6 = sext i32 %2 to i64
  %7 = getelementptr inbounds i8, ptr %4, i64 8
  store i64 %6, ptr %7, align 8, !tbaa !10
  %8 = call noundef zeroext i1 @_ZN4chen12basic_option8rcvtimeoEiRK7timeval(i32 noundef %0, ptr noundef nonnull align 8 dereferenceable(16) %4)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #2
  ret i1 %8
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN4chen12basic_option8rcvtimeoEiRK7timeval(i32 noundef, ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress 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, !7, i64 0}
!6 = !{!"_ZTS7timeval", !7, i64 0, !7, i64 8}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 8}


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