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decision
2007 Feb 08
2
[LLVMdev] Virtual register??
On the document about writing an LLVM backend, I became to wonder what the 'virtual register' is in the following statement.
"You also need to define register classes to contain these registers, such as the integer register class and floating-point register class, so that you can allocate virtual registers to instructions from these sets, and let the target-independent register