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5 Commits

Author SHA1 Message Date
Sanjay Patel e9bf993cee [x86-64] allow mfence even with -mno-sse (PR23203) 
As shown in:
https://llvm.org/bugs/show_bug.cgi?id=23203
...we currently die because lowering believes that mfence is allowed without SSE2 on x86-64,
but the instruction def doesn't know that.

I don't know if allowing mfence without SSE is right, but if not, at least now it's consistently wrong. :)

Differential Revision: http://reviews.llvm.org/D17219

llvm-svn: 260828
 2016-02-13 17:26:29 +00:00
Sanjay Patel 1617d5ab15 fix test to use FileCheck 
llvm-svn: 260751
 2016-02-12 22:07:54 +00:00
Eli Friedman f6fbfd3f83 Last batch of test conversions to new atomic instructions. 
llvm-svn: 140585
 2011-09-27 00:17:29 +00:00
Dan Gohman 40503396da Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Andrew Lenharth 9b254eed32 llvm.memory.barrier, and impl for x86 and alpha 
llvm-svn: 47204
 2008-02-16 01:24:58 +00:00