[Mlir-commits] [flang] [mlir] [Flang][MLIR] Add `!$omp unroll` and `omp.unroll_heuristic` (PR #144785)
Tom Eccles
llvmlistbot at llvm.org
Fri Jun 20 07:41:29 PDT 2025
================
@@ -5866,6 +5927,23 @@ convertHostOrTargetOperation(Operation *op, llvm::IRBuilderBase &builder,
// etc. and then discarded
return success();
})
+ .Case([&](omp::NewCliOp op) {
+ // Meta-operation: Doesn't do anything by itself, but used to
+ // identify a loop.
+ return success();
+ })
+ .Case([&](omp::CanonicalLoopOp op) {
+ return convertOmpCanonicalLoopOp(op, builder, moduleTranslation);
+ })
+ .Case([&](omp::UnrollHeuristicOp op) {
+ // FIXME: Handling omp.unroll_heuristic as an executable requires
+ // that the generator (e.g. omp.canonical_loop) has been seen first.
+ // For construct that require all codegen to occur inside a callback
+ // (e.g. OpenMPIRBilder::createParallel), all codegen of that
+ // contained region including their transformations must occur at
+ // the omp.canonical_loop.
----------------
tblah wrote:
Understood. LGTM.
https://github.com/llvm/llvm-project/pull/144785
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