[LLVMdev] difference between pattern and dag2dag isels
evlogimenos at gmail.com
Fri Aug 19 02:49:47 PDT 2005
What's the difference between the pattern and the dag2dag instruction
It seems that the pattern selector does not preserve the original dag but
the dag2dag one does. Is this done so that scheduling/other opts can be
performed more easily in the generated machine code?
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