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| author | Amara Emerson <amara@apple.com> | 2020-08-14 01:58:00 -0700 |
|---|---|---|
| committer | Amara Emerson <amara@apple.com> | 2020-08-18 10:42:15 -0700 |
| commit | 40e269ea6db9c755c27e2ee1e201a640ac085afd (patch) | |
| tree | e9b94bb0a5ad68333042228445f6812fd7cc516f /llvm/lib/CodeGen/MachineFunction.cpp | |
| parent | 55565752306e352e655bf8a4ba919c14d6b195c2 (diff) | |
| download | llvm-40e269ea6db9c755c27e2ee1e201a640ac085afd.zip llvm-40e269ea6db9c755c27e2ee1e201a640ac085afd.tar.gz llvm-40e269ea6db9c755c27e2ee1e201a640ac085afd.tar.bz2 | |
[GlobalISel] Add a combine for ashr(shl x, c), c --> sext_inreg x, c'
By detecting this sign extend pattern early, we can uncover opportunities for
more optimizations.
Differential Revision: https://reviews.llvm.org/D85965
Diffstat (limited to 'llvm/lib/CodeGen/MachineFunction.cpp')
0 files changed, 0 insertions, 0 deletions