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| author | Sanjay Patel <spatel@rotateright.com> | 2016-05-25 17:27:54 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2016-05-25 17:27:54 +0000 |
| commit | aedc347b292f60d3216c11eb509c6067fba782f9 (patch) | |
| tree | 05701077443cccab9714701b44f0f74ce5d8b248 /lldb/packages/Python/lldbsuite/test/expression_command/call-function | |
| parent | 865cfdd72786cfa5d0bbfc881c27d2e3bb86c82e (diff) | |
| download | bcm5719-llvm-aedc347b292f60d3216c11eb509c6067fba782f9.tar.gz bcm5719-llvm-aedc347b292f60d3216c11eb509c6067fba782f9.zip | |
[x86] avoid code explosion from LoopVectorizer for gather loop (PR27826)
By making pointer extraction from a vector more expensive in the cost model,
we avoid the vectorization of a loop that is very likely to be memory-bound:
https://llvm.org/bugs/show_bug.cgi?id=27826
There are still bugs related to this, so we may need a more general solution
to avoid vectorizing obviously memory-bound loops when we don't have HW gather
support.
Differential Revision: http://reviews.llvm.org/D20601
llvm-svn: 270729
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/expression_command/call-function')
0 files changed, 0 insertions, 0 deletions
