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Nate Begeman 1ae49ee7ca Do not try and sink a load whose chain result has more than one use, when
trying to create RMW opportunities in the x86 backend.  This can cause a 
cycle to appear in the graph, since the other uses may eventually feed into
the TokenFactor we are sinking the load below.

llvm-svn: 81996
2009-09-16 03:20:46 +00:00
clang A toy for Doug: Add some 'lit' tests which just run clang++ -fsyntax-only over all the files in a directory. 2009-09-16 01:40:13 +00:00
compiler-rt add conversion functions and test cases for ARM 2009-09-14 23:26:56 +00:00
llvm Do not try and sink a load whose chain result has more than one use, when 2009-09-16 03:20:46 +00:00