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Commit e6d1853e authored by Eli Friedman's avatar Eli Friedman
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X86ISD::MEMBARRIER does not require SSE2; it doesn't actually generate any... 

X86ISD::MEMBARRIER does not require SSE2; it doesn't actually generate any code, and all x86 processors will honor the required semantics.

llvm-svn: 136249
parent 02364191
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