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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-12-10 18:29:46 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-12-10 18:29:46 +0000 |
| commit | fc2c9af99c546d644757ae06b65df69f92897ab7 (patch) | |
| tree | dede61036a2dd2836af42643c6f60c8b8e750417 /llvm/lib/CodeGen/MachineVerifier.cpp | |
| parent | 17e53b9299666f43e5ac0d134b53cf5981274f45 (diff) | |
| download | bcm5719-llvm-fc2c9af99c546d644757ae06b65df69f92897ab7.tar.gz bcm5719-llvm-fc2c9af99c546d644757ae06b65df69f92897ab7.zip | |
[TargetLowering] Add UNDEF folding to SimplifyDemandedVectorElts
If all the demanded elements of the SimplifyDemandedVectorElts are known to be UNDEF, we can simplify to an ISD::UNDEF node.
Zero constant folding will be handled in a future patch - its a little trickier as we often have bitcasted zero values.
Differential Revision: https://reviews.llvm.org/D55511
llvm-svn: 348784
Diffstat (limited to 'llvm/lib/CodeGen/MachineVerifier.cpp')
0 files changed, 0 insertions, 0 deletions
