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002108
2009 Jan 20
3
[LLVMdev] Shouldn't DAGCombine insert legal nodes?
I just ran across something interesting: DAGCombine inserts a 64-bit
constant as the result of converting a (bitconvert (fabs val)) to a
(and (bitconvert val), i64const).
The problem: i64 constants have to be legalized for the CellSPU
platform. DAGCombine is doing the right thing but it's not doing the
right thing for CellSPU and it's damed difficult to work around this