ABataev added inline comments.
================
Comment at: clang/lib/CodeGen/CGOpenMPRuntime.cpp:7246-7248
+ // Set implicit behavior except for "default" for defaultmap
+ if ((Bits & OMP_MAP_IMPLICIT) &&
+ (ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_default)) {
----------------
cchen wrote:
> ABataev wrote:
> > Hmm, this is strange, Do we really need this kind of processing here? The
> > variables must be mapped implicitly in Sema and, thus, all this processing
> > of the default mapping rules should not be required.
> I'm now having design question about setting the correct implicit map type in
> Sema for the below situation:
> ```
> int *ptr_1, *ptr_2, arr[50];
> #pragma omp target defaultmap(alloc:pointer) defaultmap(from:aggregate)
> {
> ptr_1++, ptr_2++;
> arr[0]++;
> }
> ```
> In this case we need to store two maptypes - alloc and from for an
> `ActOnOpenMPMapClause` but `ActOnOpenMPMapClause` only pass one maptype so
> I'm wondering should I modify the interface of OMPMapClause which pass an
> array of maptypes rather than one maptype variable?
Just create 3 arrays instead of single array for mapped items and call
`ActOnOpenMPMapClause` for each of them
================
Comment at: clang/lib/Sema/SemaOpenMP.cpp:149
SourceLocation DefaultAttrLoc;
- DefaultMapAttributes DefaultMapAttr = DMA_unspecified;
- SourceLocation DefaultMapAttrLoc;
+ DefaultmapInfo DefaultmapMap[3];
+
----------------
cchen wrote:
> ABataev wrote:
> > ABataev wrote:
> > > Maybe, it would be better to make `DMVC_unspecified` the last one in the
> > > `DefaultMapVariableCategory` and use it as an array dimension here rather
> > > than rely on the magical number?
> > Not done.
> Not sure about this one. I've already put DMVC_unspecified to the last one in
> the DefaultMapVariableCategory enum so that I now don't need magic number. Or
> you are pointing something else? Thanks
Use `DefaultmapInfo DefaultmapMap[DMVC_unspecified]` instead of `DefaultmapInfo
DefaultmapMap[3]`, this is what I meant.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D69204/new/
https://reviews.llvm.org/D69204
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