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| author | Tony Jiang <jtony@ca.ibm.com> | 2017-05-24 23:48:29 +0000 |
|---|---|---|
| committer | Tony Jiang <jtony@ca.ibm.com> | 2017-05-24 23:48:29 +0000 |
| commit | 0a429f040e338a1f126bb80e263918d8f8641ff2 (patch) | |
| tree | a7cc88b272cab78e940e0483d643df23f57c2ee3 /llvm/lib/Target/TargetMachine.cpp | |
| parent | 8b78185e00e69e422cdffb047738bea94ec0221f (diff) | |
| download | bcm5719-llvm-0a429f040e338a1f126bb80e263918d8f8641ff2.tar.gz bcm5719-llvm-0a429f040e338a1f126bb80e263918d8f8641ff2.zip | |
[PowerPC] Fix a performance bug for PPC::XXSLDWI.
There are some VectorShuffle Nodes in SDAG which can be selected to XXSLDWI
instruction, this patch recognizes them and does the selection to improve the
PPC performance.
llvm-svn: 303822
Diffstat (limited to 'llvm/lib/Target/TargetMachine.cpp')
0 files changed, 0 insertions, 0 deletions
