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| author | Andrew Trick <atrick@apple.com> | 2013-10-15 03:39:43 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2013-10-15 03:39:43 +0000 |
| commit | 51dee24ca6ba63cf021d56ca9cbae62c739d5041 (patch) | |
| tree | 5ee39c0ca82e1099827441eada176b62d50a8e35 /lib/Transforms/InstCombine | |
| parent | cc3d76d98259ef82c9592022cb0e31fb42b36ab6 (diff) | |
| download | llvm-51dee24ca6ba63cf021d56ca9cbae62c739d5041.tar.gz llvm-51dee24ca6ba63cf021d56ca9cbae62c739d5041.tar.bz2 llvm-51dee24ca6ba63cf021d56ca9cbae62c739d5041.tar.xz | |
Improve on r192635, ExeDepsFix for avx, and add a test case.
rdar:15221834 False AVX register dependencies cause 5x slowdown on
flops-5/6 and significant slowdown on several others.
This was blocking the switch to MI-Sched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192669 91177308-0d34-0410-b5e6-96231b3b80d8
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