llvm/lib/CodeGen/SelectionDAG
Jakob Stoklund Olesen f7e8af925c Be more clever about regclasses in ScheduleDAGSDNodes::EmitCopyFromReg.
If two uses of a CopyFromReg want different regclasses, first try a common
sub-class, then fall back on the copy emitted in AddRegisterOperand. There is
no need for an assert here. The cross-class joiner usually cleans up nicely.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79193 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16 17:40:59 +00:00
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