diff options
| author | Michael Zuckerman <Michael.zuckerman@intel.com> | 2017-01-10 18:57:17 +0000 |
|---|---|---|
| committer | Michael Zuckerman <Michael.zuckerman@intel.com> | 2017-01-10 18:57:17 +0000 |
| commit | bcd03e7f3b5b01556a298cf60452620c56d2c07b (patch) | |
| tree | ca5ed32f13713e57b46be279360e6a35e05f9aff /llvm/lib/Transforms/Utils/ValueMapper.cpp | |
| parent | 3c92529737522fdbbf0c53b99c6d5221e4612f98 (diff) | |
| download | bcm5719-llvm-bcd03e7f3b5b01556a298cf60452620c56d2c07b.tar.gz bcm5719-llvm-bcd03e7f3b5b01556a298cf60452620c56d2c07b.zip | |
[X86][AVX512]Improving shuffle lowering by using AVX-512 EXPAND* instructions
This patch fix PR31351: https://llvm.org/bugs/show_bug.cgi?id=31351
1. This patch adds new type of shuffle lowering
2. We can use the expand instruction, When the shuffle pattern is as following:
{ 0*a[0]0*a[1]...0*a[n] , n >=0 where a[] elements in a ascending order}.
Reviewers: 1. igorb
2. guyblank
3. craig.topper
4. RKSimon
Differential Revision: https://reviews.llvm.org/D28352
llvm-svn: 291584
Diffstat (limited to 'llvm/lib/Transforms/Utils/ValueMapper.cpp')
0 files changed, 0 insertions, 0 deletions
