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2020 Mar 27
2
Instruction selection phase
Hello LLVM-Dev,
Attached are:
· The DAG after being built
· The DAG before the legalization phase
The DAG illustrated performs a signed division for type i32. As can be seen, the SDIV node was converted to a series of other nodes (which includes a MULHS node). In the target lowering class of our target, the SDIV has an operation action of custom. Does anybody know where in