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Commit d24730cd authored by Simon Pilgrim's avatar Simon Pilgrim
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[TargetLowering] SimplifyDemandedVectorElts - don't alter DemandedElts mask 

Fix potential issue with the ISD::INSERT_VECTOR_ELT case tweaking the DemandedElts mask instead of using a local copy - so later uses of the mask use the tweaked version.....

Noticed while investigating adding zero/undef folding to SimplifyDemandedVectorElts and the altered DemandedElts mask was causing mismatches.

llvm-svn: 348348
parent 8a1b4f57
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