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(parent: 5edc5fb) | patch
[x86] add test for WriteZero sched class instructions; NFC
authorSanjay Patel <spatel@rotateright.com>
Tue, 13 Mar 2018 19:20:01 +0000 (19:20 +0000)
committerSanjay Patel <spatel@rotateright.com>
Tue, 13 Mar 2018 19:20:01 +0000 (19:20 +0000)
commit0b6e4ebf6734e7aa8f13ab867f5ebc52b15d727a
treec6defc594576b00973a195021c675cef6c9f4b41tree | snapshot
parent5edc5fb7cf0bd0b82c06aed8f653d8a690c98a22commit | diff
[x86] add test for WriteZero sched class instructions; NFC

Nops should have zero latency because there is no result.
Idioms like 'xorps xmm0, xmm0' may have zero latency because
they are handled without using an execution unit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@327435 91177308-0d34-0410-b5e6-96231b3b80d8
test/CodeGen/X86/sse-schedule.ll diff | blob | history
external/llvm
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