; LLVM IR from erwincoumans/tiny-differentiable-simulator :: third_party/zeromq/src/msg.ll (ZN3zmq5msg_t4initEv)

; 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.zmq::msg_t" = type { %union.anon }
%union.anon = type { %struct.anon }
%struct.anon = type { ptr, [34 x i8], i8, i8, [16 x i8], i32 }
%struct.anon.0 = type { ptr, [33 x i8], i8, i8, i8, [16 x i8], i32 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN3zmq5msg_t4initEv(ptr noundef nonnull align 8 dereferenceable(64) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.zmq::msg_t", ptr %3, i32 0, i32 0
  %5 = getelementptr inbounds %struct.anon.0, ptr %4, i32 0, i32 0
  store ptr null, ptr %5, align 8, !tbaa !9
  %6 = getelementptr inbounds %"class.zmq::msg_t", ptr %3, i32 0, i32 0
  %7 = getelementptr inbounds %struct.anon.0, ptr %6, i32 0, i32 3
  store i8 101, ptr %7, align 2, !tbaa !9
  %8 = getelementptr inbounds %"class.zmq::msg_t", ptr %3, i32 0, i32 0
  %9 = getelementptr inbounds %struct.anon.0, ptr %8, i32 0, i32 4
  store i8 0, ptr %9, align 1, !tbaa !9
  %10 = getelementptr inbounds %"class.zmq::msg_t", ptr %3, i32 0, i32 0
  %11 = getelementptr inbounds %struct.anon.0, ptr %10, i32 0, i32 2
  store i8 0, ptr %11, align 1, !tbaa !9
  %12 = getelementptr inbounds %"class.zmq::msg_t", ptr %3, i32 0, i32 0
  %13 = getelementptr inbounds %struct.anon.0, ptr %12, i32 0, i32 5
  %14 = getelementptr inbounds [16 x i8], ptr %13, i64 0, i64 0
  store i8 0, ptr %14, align 4, !tbaa !9
  %15 = getelementptr inbounds %"class.zmq::msg_t", ptr %3, i32 0, i32 0
  %16 = getelementptr inbounds %struct.anon.0, ptr %15, i32 0, i32 6
  store i32 0, ptr %16, align 4, !tbaa !9
  ret i32 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !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 nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local noundef i32 @_ZN3zmq5msg_t4initEv(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(64) %0) local_unnamed_addr #0 align 2 {
  store ptr null, ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 41
  store <4 x i8> <i8 0, i8 101, i8 0, i8 0>, ptr %2, align 1, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 60
  store i32 0, ptr %3, align 4, !tbaa !5
  ret i32 0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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