diff options
| author | Craig Topper <craig.topper@intel.com> | 2019-01-04 20:50:59 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2019-01-04 20:50:59 +0000 |
| commit | cfeb1cf9af3a96fee9dd2fd733d05b1f68884e1f (patch) | |
| tree | f84281c1a699732eeab16060dec8d8979dcd65c0 /llvm/lib/CodeGen/Spiller.h | |
| parent | 6b3153ada08b461f88910f152815917f8cc36746 (diff) | |
| download | bcm5719-llvm-cfeb1cf9af3a96fee9dd2fd733d05b1f68884e1f.tar.gz bcm5719-llvm-cfeb1cf9af3a96fee9dd2fd733d05b1f68884e1f.zip | |
[X86] Add INSERT_SUBVECTOR to ComputeNumSignBits
This adds support for calculating sign bits of insert_subvector. I based it on the computeKnownBits.
My motivating case is propagating sign bits information across basic blocks on AVX targets where concatenating using insert_subvector is common.
Differential Revision: https://reviews.llvm.org/D56283
llvm-svn: 350432
Diffstat (limited to 'llvm/lib/CodeGen/Spiller.h')
0 files changed, 0 insertions, 0 deletions
