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Author SHA1 Message Date
Louis Gerbarg
3eecd92d3d Fix for codegen bug that could cause illegal cmn instruction generation 
In rare cases the dead definition elimination pass code can cause illegal cmn
instructions when it replaces dead registers on instructions that use
unmaterialized frame indexes. This patch disables the dead definition
optimization for instructions which include frame index operands.

rdar://16438284

llvm-svn: 206208
 2014-04-14 21:05:05 +00:00