diff options
| author | Roman Lebedev <lebedev.ri@gmail.com> | 2018-10-30 11:12:34 +0000 |
|---|---|---|
| committer | Roman Lebedev <lebedev.ri@gmail.com> | 2018-10-30 11:12:34 +0000 |
| commit | b3a14208ac3cdb27588992a7c988b02c981c0586 (patch) | |
| tree | bb57b13abcec8295bfe89be55567650f1a4ba9a4 /lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h | |
| parent | 9ffca9b83c191d5fa190f52e275e7e4019668d65 (diff) | |
| download | llvm-b3a14208ac3cdb27588992a7c988b02c981c0586.zip llvm-b3a14208ac3cdb27588992a7c988b02c981c0586.tar.gz llvm-b3a14208ac3cdb27588992a7c988b02c981c0586.tar.bz2 | |
[X86][BMI1] X86DAGToDAGISel: select BEXTR from x & (-1 >> (32 - y)) pattern
Summary:
The final pattern.
There is no test changes:
* We are looking for the pattern with one-use of it's mask,
* If the mask is one-use, D48768 will unfold it into pattern d.
* Thus, the tests have extra-use on the mask.
* Thus, only the BMI2 BZHI can be tested, and it already worked.
* So there is no BMI1 test coverage, we just assume it works since it uses the same codepath.
Reviewers: craig.topper, RKSimon
Reviewed By: RKSimon
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D53575
llvm-svn: 345584
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h')
0 files changed, 0 insertions, 0 deletions