jroesch commented on a change in pull request #4258: [WIP][TVM] Bring Your Own
Codegen to TVM
URL: https://github.com/apache/incubator-tvm/pull/4258#discussion_r342893692
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File path: include/tvm/runtime/vm.h
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@@ -286,6 +298,15 @@ struct Instruction {
*/
static Instruction InvokePacked(Index packed_index, Index arity, Index
output_size,
const std::vector<RegName>& args);
+ /*! \brief Construct an invoke external instruction.
+ * \param packed_index The index of the external function.
+ * \param ext_arity The arity of the function.
+ * \param ext_output_size The number of outputs of the external function.
+ * \param args The argument registers.
+ * \return The invoke external instruction.
+ */
+ static Instruction InvokeExternal(Index external_index, Index ext_arity,
Index ext_output_size,
Review comment:
Do we actually need a second instruction, shouldn't calling externals be
opaque to the VM?
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