[Mlir-commits] [flang] [llvm] [mlir] [flang][OpenMP] Enable tiling (PR #143715)

[Sergio Afonso]

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@@ -1660,6 +1687,30 @@ genLoopNestClauses(lower::AbstractConverter &converter,
     cp.processCollapse(loc, eval, clauseOps, iv);
 
   clauseOps.loopInclusive = converter.getFirOpBuilder().getUnitAttr();
+
+  fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
+  for (auto &clause : clauses) {
+    if (clause.id == llvm::omp::Clause::OMPC_collapse) {
+      const auto &collapse = std::get<clause::Collapse>(clause.u);
+      int64_t collapseValue = evaluate::ToInt64(collapse.v).value();
+      clauseOps.numCollapse = firOpBuilder.getI64IntegerAttr(collapseValue);
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skatrak wrote:

This should be moved to `ClauseProcessor::processCollapse`. It probably now needs to take an `mlir::omp::LoopRelatedClause &` and an `mlir::omp::CollapseClause &` (`clauseOps` for both, in this case).

https://github.com/llvm/llvm-project/pull/143715