================
@@ -15257,6 +15367,13 @@ StmtResult
SemaOpenMP::ActOnOpenMPTileDirective(ArrayRef<OMPClause *> Clauses,
ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr,
IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(),
LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc());
+
+ // Attach the droppable reinterpretation attribute to the intra-tile loop.
+ auto *Hint = OMPInvariantPredicateBoundAttr::CreateImplicit(
----------------
Meinersbur wrote:
In a previous version of this patch you only added the predicated if it could
not shown that the itertion is a multiple of a tile size. Could we still do
that here?
I had AI point out to me that the optimizer will not always be able to
optimize-away this predicate, due to the constant loop bound being outside the
outlined body that contains the predicate.
https://github.com/llvm/llvm-project/pull/191114
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