d-smirnov commented on a change in pull request #6655:
URL: https://github.com/apache/incubator-tvm/pull/6655#discussion_r528787976
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File path: src/relay/transforms/annotate_target.cc
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@@ -146,13 +179,19 @@ class AnnotateTargetRewriter : public ExprRewriter {
// Bypass compiler begin due to lack of target information. It will be
processed
// when the following op handling arguments.
ICHECK_EQ(pre->args.size(), 1U);
- return post.as<CallNode>()->args[0];
+ // Preserve annotations
+ return post;
} else if (op_node && pre->op == CompilerEndOp()) {
// Override compiler end with the new target.
ICHECK_EQ(pre->args.size(), 1U);
auto input_expr = post.as<CallNode>()->args[0];
+ // Already annotated. Recover target
+ if (op_expr_to_target_.find(input_expr) == op_expr_to_target_.end()) {
+ op_expr_to_target_[input_expr] =
post.as<CallNode>()->attrs.as<CompilerAttrs>()->compiler;
+ }
Review comment:
Removed IF
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