ABataev added inline comments.
================
Comment at: clang/lib/Sema/SemaOpenMP.cpp:11801-11807
+ } else if (AtomicKind == OMPC_compare_capture) {
+ // TODO: For now we emit an error here and in emitOMPAtomicExpr we ignore
+ // code gen.
+ unsigned DiagID = Diags.getCustomDiagID(
+ DiagnosticsEngine::Error,
+ "atomic compare capture is not supported for now");
+ Diag(AtomicKindLoc, DiagID);
----------------
tianshilei1992 wrote:
> ABataev wrote:
> > tianshilei1992 wrote:
> > > ABataev wrote:
> > > > Better to build a node and emit error in codegen. Without it you're
> > > > unable to create ast-print/dump tests, test for
> > > > serialization/deserialization etc.
> > > IIUC, `OMPC_compare_capture` will only be used in Sema and CodeGen to
> > > tell we actually want `compare_capture` instead of `compare` or
> > > `capture`. The corresponding class(es) have no actual use. If I could
> > > directly have `OMPC_compare_capture` w/o adding a class, I would like to
> > > do it. On the other hand, we already have a node for `compare`, and a
> > > node for `capture`, we don't want a node for `compare` and `capture`,
> > > especially the spec doesn't say they should be tightly close. That being
> > > said, it should not affect other functionality.
> > Then why do you need OMPC_compare_capture? Just emit compare and capture
> > and check for both of them at the same time.
> `OMPC_compare_capture` is the natural way, especially when we call
> `emitOMPAtomicExpr`. Of course we can set `Kind` to `OMPC_compare` and add a
> boolean argument `bool IsCompareCapture = false`. It's just not as clear as
> this way, but TBH not a bad way.
I think it is better to have a flag (or an internal enum) rather than adding an
extra external enum and a class just for internal processing.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D116261/new/
https://reviews.llvm.org/D116261
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