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Dan Gohman
ad6c6a3d33
Fix MachineLICM to use the correct virtual register class when
unfolding loads for hoisting. getOpcodeAfterMemoryUnfold returns the opcode of the original operation without the load, not the load itself, MachineLICM needs to know the operand index in order to get the correct register class. Extend getOpcodeAfterMemoryUnfold to return this information. llvm-svn: 85622
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