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[mlir] Add MemRefAliasOp folding for vector.store #72002

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[mlir] Add MemRefAliasOp folding for vector.store #72002

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7 changes: 7 additions & 0 deletions mlir/lib/Dialect/MemRef/Transforms/FoldMemRefAliasOps.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -187,6 +187,8 @@ static Value getMemRefOperand(nvgpu::LdMatrixOp op) {

static Value getMemRefOperand(vector::LoadOp op) { return op.getBase(); }

static Value getMemRefOperand(vector::StoreOp op) { return op.getBase(); }

static Value getMemRefOperand(vector::MaskedLoadOp op) { return op.getBase(); }

static Value getMemRefOperand(vector::TransferWriteOp op) {
Expand Down Expand Up @@ -557,6 +559,10 @@ LogicalResult StoreOpOfSubViewOpFolder<OpTy>::matchAndRewrite(
subViewOp.getDroppedDims())),
op.getMask(), op.getInBoundsAttr());
})
.Case([&](vector::StoreOp op) {
rewriter.replaceOpWithNewOp<vector::StoreOp>(
op, op.getValueToStore(), subViewOp.getSource(), sourceIndices);
})
.Case([&](gpu::SubgroupMmaStoreMatrixOp op) {
rewriter.replaceOpWithNewOp<gpu::SubgroupMmaStoreMatrixOp>(
op, op.getSrc(), subViewOp.getSource(), sourceIndices,
Expand Down Expand Up @@ -698,6 +704,7 @@ void memref::populateFoldMemRefAliasOpPatterns(RewritePatternSet &patterns) {
StoreOpOfSubViewOpFolder<affine::AffineStoreOp>,
StoreOpOfSubViewOpFolder<memref::StoreOp>,
StoreOpOfSubViewOpFolder<vector::TransferWriteOp>,
StoreOpOfSubViewOpFolder<vector::StoreOp>,
StoreOpOfSubViewOpFolder<gpu::SubgroupMmaStoreMatrixOp>,
LoadOpOfExpandShapeOpFolder<affine::AffineLoadOp>,
LoadOpOfExpandShapeOpFolder<memref::LoadOp>,
Expand Down