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[Relay] Add icheck to avoid crash in opt_level=0 vm build #10347

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Feb 25, 2022
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[Relay] Add icheck to avoid crash in opt_level=0 vm build #10347

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3 changes: 3 additions & 0 deletions src/relay/transforms/memory_alloc.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,9 @@ class DialectRewriter : public transform::DeviceAwareExprMutator {

VirtualDevice virtual_device = GetVirtualDevice(call);
ICHECK(!virtual_device->IsFullyUnconstrained());
ICHECK(!scopes_.empty())
<< "Calls out of a let block are not supported, do you forget to transform "
<< "with ToANormalForm or set opt_level >= 1 in the pass context?";
LetList& scope = scopes_.back();

std::vector<Expr> new_args;
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