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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-10-06 21:11:45 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-10-06 21:11:45 +0000 |
| commit | b4ba3cbda01e710e64948f43cbf9bfdec5ec5855 (patch) | |
| tree | 7f12d5d11011e085eb15e5125e1c13a624f0e520 /lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp | |
| parent | d84cd7caa87e8486a131c76f45595535678c6552 (diff) | |
[X86][AVX] Access a scalar float/double as a free extract from a broadcast load (PR43217)
If a fp scalar is loaded and then used as both a scalar and a vector broadcast, perform the load as a broadcast and then extract the scalar for 'free' from the 0th element.
This involved switching the order of the X86ISD::BROADCAST combines so we only convert to X86ISD::BROADCAST_LOAD once all other canonicalizations have been attempted.
Adds a DAGCombinerInfo::recursivelyDeleteUnusedNodes wrapper.
Fixes PR43217
Differential Revision: https://reviews.llvm.org/D68544
llvm-svn: 373871
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp')
0 files changed, 0 insertions, 0 deletions