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2018 Apr 06
0
Instruction selection algorithm
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2018 Mar 28
2
Instruction selection algorithm
Is the algorithm described in the article "Near-Optimal Instruction
Selection on DAGs
(https://llvm.org/pubs/2008-CGO-DagISel.html)" really used in llvm
instruction selection?
I've studied implementation (SelectionDAGISel.cpp) and I see that
instructions are selected
by target specific MatcherTable generated by llvm-tblgen. In the
implementation the first
matching pattern from