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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2022-07-20 12:04:23 +0100 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2022-07-20 12:04:33 +0100 |
| commit | 029e83b401564db2562f0dc68c55563806570872 (patch) | |
| tree | 7d33be2feb555430c387a8e1abf6f700d468415d /flang/lib/Frontend/CompilerInvocation.cpp | |
| parent | 4704da1374964c0634d7e17c9f87923666d57396 (diff) | |
| download | llvm-029e83b401564db2562f0dc68c55563806570872.zip llvm-029e83b401564db2562f0dc68c55563806570872.tar.gz llvm-029e83b401564db2562f0dc68c55563806570872.tar.bz2 | |
[DAG] getNode - don't bother creating ADDO(X,0) or SUBO(X,0) nodes.
Similar to what we already do in getNode for basic ADD/SUB nodes, return the X operand directly, but here we know that there will be no/zero overflow as well.
As noted on D127115 - this path is being exercised by llvm/test/CodeGen/ARM/dsp-mlal.ll, although I haven't been able to get any codegen without a topological worklist.
Diffstat (limited to 'flang/lib/Frontend/CompilerInvocation.cpp')
0 files changed, 0 insertions, 0 deletions