tree 1452598f44a9bd931e18ac2c9927c61abc846a7e
parent 577199f9221ebc805a69372a2b19f4c8ebaf1daf
author Min-Yih Hsu <min.hsu@sifive.com> 1749921668 -0700
committer GitHub <noreply@github.com> 1749921668 -0700
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[SelectionDAG] Take passthru into account when widening ISD::MLOAD (#144170)

#140595 used vp.load in the cases where we need to widen masked.load.
However, we didn't account for the passthru operand so it might
miscompile when the passthru is not undef. While we can simply avoid
using vp.load to widen when passthru is not undef, doing so will ran
into the exact same crash described in #140198 , so for scalable vector,
this patch manually merges the vp.load result with passthru when the
latter is not undef.