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| author | Craig Topper <craig.topper@gmail.com> | 2017-01-26 05:17:13 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-01-26 05:17:13 +0000 |
| commit | b6122122c9ec8c01a41223f0ed0c665ef68f0f15 (patch) | |
| tree | ed8dfc1aaa7785dff481573132333a956f4e243c /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | 0d26a5376c2c9885453ba985d16b8dfcda761c69 (diff) | |
| download | bcm5719-llvm-b6122122c9ec8c01a41223f0ed0c665ef68f0f15.tar.gz bcm5719-llvm-b6122122c9ec8c01a41223f0ed0c665ef68f0f15.zip | |
[X86] Add demanded elts support for the inputs to pclmul intrinsic
This intrinsic uses bit 0 and bit 4 of an immediate argument to determine which bits of its inputs to read. This patch uses this information to simplify the demanded elements of the input vectors.
Differential Revision: https://reviews.llvm.org/D28979
llvm-svn: 293151
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
0 files changed, 0 insertions, 0 deletions
