Mousius commented on code in PR #13522:
URL: https://github.com/apache/tvm/pull/13522#discussion_r1036134224
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src/target/source/codegen_c_host.cc:
##########
@@ -93,18 +94,46 @@ void CodeGenCHost::AddFunction(const PrimFunc& f) {
}
}
-void CodeGenCHost::PrintFuncPrefix() { // NOLINT(*)
- stream << "#ifdef __cplusplus\n"
- << "extern \"C\"\n"
- << "#endif\n"
- << "TVM_DLL int32_t";
+void CodeGenCHost::GenerateForwardFunctionDeclarations(String global_symbol,
+ const Array<PrimExpr>&
args) {
+ for (auto& func_already_defined : GetFunctionNames()) {
+ if (global_symbol == func_already_defined) {
+ return;
+ }
+ }
+ this->PrintFuncPrefix(fwd_decl_stream);
+ fwd_decl_stream << " " << global_symbol << "(";
+ for (size_t i = 1; i < args.size(); ++i) {
Review Comment:
Would it make sense to have a `PrintFunctionPrototype`?
It seems there's more logic here:
https://github.com/apache/tvm/blob/a70c0649a895cf600e600bb3a1f49f6269aa71db/src/target/source/codegen_c.cc#L92-L119
which could apply?
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