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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2020-10-12 14:10:18 +0100 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2020-10-12 14:11:02 +0100 |
| commit | c252200e4de4411478fb525e93cc7ae05b189a22 (patch) | |
| tree | dedbf413f7529f169635fe87dbe451d40b681a6f /llvm/lib/Transforms/Utils/LoopUtils.cpp | |
| parent | 1968a6155fd5ef178598b204cc6a176719b99f2e (diff) | |
| download | llvm-c252200e4de4411478fb525e93cc7ae05b189a22.zip llvm-c252200e4de4411478fb525e93cc7ae05b189a22.tar.gz llvm-c252200e4de4411478fb525e93cc7ae05b189a22.tar.bz2 | |
[DAG][ARM][MIPS][RISCV] Improve funnel shift promotion to use 'double shift' patterns
Based on a discussion on D88783, if we're promoting a funnel shift to a width at least twice the size as the original type, then we can use the 'double shift' patterns (shifting the concatenated sources).
Differential Revision: https://reviews.llvm.org/D89139
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUtils.cpp')
0 files changed, 0 insertions, 0 deletions