auto numElementsSSA =
top.create<ConstantIndexOp>(loc, numElements.getValue());
- SmallVector<StrideInfo, 4> strideInfos;
- getMultiLevelStrides(region, fastBufferShape, &strideInfos);
-
- // TODO(bondhugula): use all stride levels once DmaStartOp is extended for
- // multi-level strides.
- if (strideInfos.size() > 1) {
- LLVM_DEBUG(llvm::dbgs() << "Only up to one level of stride supported\n");
- return failure();
- }
+ Value dmaStride = nullptr;
+ Value numEltPerDmaStride = nullptr;
+ if (copyOptions.generateDma) {
+ SmallVector<StrideInfo, 4> dmaStrideInfos;
+ getMultiLevelStrides(region, fastBufferShape, &dmaStrideInfos);
+
+ // TODO(bondhugula): use all stride levels once DmaStartOp is extended for
+ // multi-level strides.
+ if (dmaStrideInfos.size() > 1) {
+ LLVM_DEBUG(llvm::dbgs() << "Only up to one level of stride supported\n");
+ return failure();
+ }
- Value stride = nullptr;
- Value numEltPerStride = nullptr;
- if (!strideInfos.empty()) {
- stride = top.create<ConstantIndexOp>(loc, strideInfos[0].stride);
- numEltPerStride =
- top.create<ConstantIndexOp>(loc, strideInfos[0].numEltPerStride);
+ if (!dmaStrideInfos.empty()) {
+ dmaStride = top.create<ConstantIndexOp>(loc, dmaStrideInfos[0].stride);
+ numEltPerDmaStride =
+ top.create<ConstantIndexOp>(loc, dmaStrideInfos[0].numEltPerStride);
+ }
}
// Record the last operation where we want the memref replacement to end. We
b.create<AffineDmaStartOp>(loc, memref, memAffineMap, memIndices,
fastMemRef, bufAffineMap, bufIndices,
tagMemRef, tagAffineMap, tagIndices,
- numElementsSSA, stride, numEltPerStride);
+ numElementsSSA, dmaStride, numEltPerDmaStride);
} else {
// DMA non-blocking write from fast buffer to the original memref.
auto op = b.create<AffineDmaStartOp>(
loc, fastMemRef, bufAffineMap, bufIndices, memref, memAffineMap,
memIndices, tagMemRef, tagAffineMap, tagIndices, numElementsSSA,
- stride, numEltPerStride);
+ dmaStride, numEltPerDmaStride);
// Since new ops may be appended at 'end' (for outgoing DMAs), adjust the
// end to mark end of block range being processed.
if (isCopyOutAtEndOfBlock)