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author | Evan Cheng <evan.cheng@apple.com> | 2012-12-20 19:59:30 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2012-12-20 19:59:30 +0000 |
commit | 139e407d526193017d42473c8d4892933de78f14 (patch) | |
tree | 37f08e11f0f3c4c2944880253feea017e2146aba /lib/Transforms/Vectorize/LoopVectorize.cpp | |
parent | 15019a8814b7877367ca7bcd7d173710259f7c20 (diff) |
On some ARM cpus, flags setting movs with shifter operand, i.e. lsl, lsr, asr,
are more expensive than the non-flag setting variant. Teach thumb2 size
reduction pass to avoid generating them unless we are optimizing for size.
rdar://12892707
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170728 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Vectorize/LoopVectorize.cpp')
0 files changed, 0 insertions, 0 deletions