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2018 Apr 09
2
A way to opt out of a dag combine?
Is there an established way of disabling a DAG combine on a per target basis, where it appears to be detrimental to the generated code? Writing if (!mytarget) in DAGCombiner.cpp works but tends to be erased by git merge and generally doesn't look ideal. Writing the inverse transform in target specific code doesn't work in this instance and in general creates an infinite loop. Guidance