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AIRCopyToDma: Unblock dynamic shaped memrefs #682

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AIRCopyToDma: Unblock dynamic shaped memrefs #682

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15 changes: 10 additions & 5 deletions mlir/lib/Conversion/ConvertToAIRPass.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -62,9 +62,6 @@ matchAndRewriteCopyOp(memref::CopyOp op, RewriterBase &rewriter) {
(dst_type.getMemorySpaceAsInt() == (int)air::MemorySpace::L3))
return failure();

if (!(src_type.hasStaticShape() || dst_type.hasStaticShape()))
return failure();

SmallVector<Value, 4> src_offsets, dst_offsets;
SmallVector<Value, 4> src_strides, dst_strides;
SmallVector<Value, 4> src_sizes, dst_sizes;
Expand All @@ -73,7 +70,9 @@ matchAndRewriteCopyOp(memref::CopyOp op, RewriterBase &rewriter) {
auto &strides) {
auto subview_offsets = subview.getOffsets().begin();
auto static_offsets = subview.getStaticOffsets();
auto subview_sizes = subview.getSizes().begin();
auto static_sizes = subview.getStaticSizes();
auto subview_strides = subview.getStrides().begin();
auto static_strides = subview.getStaticStrides();
auto loc = subview.getLoc();

Expand All @@ -98,9 +97,15 @@ matchAndRewriteCopyOp(memref::CopyOp op, RewriterBase &rewriter) {
offsets.push_back(*subview_offsets++);
}
for (auto s : static_sizes)
sizes.push_back(rewriter.create<arith::ConstantIndexOp>(loc, s));
if (s >= 0)
sizes.push_back(rewriter.create<arith::ConstantIndexOp>(loc, s));
else
sizes.push_back(*subview_sizes++);
for (auto s : layout_strides)
strides.push_back(rewriter.create<arith::ConstantIndexOp>(loc, s));
if (s >= 0)
strides.push_back(rewriter.create<arith::ConstantIndexOp>(loc, s));
else
strides.push_back(*subview_strides++);
};

if (auto subview = src.getDefiningOp<memref::SubViewOp>()) {
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