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a26a08e4
2011 Jan 29
1
[LLVMdev] The type or size of virtual registers
llvm::TargetRegisterClass::getSize()
llvm::TargetRegisterClass::getAllignment()
will return the size and alignment of a virtual register used both in
register allocation and stack slot assignment.
llvm::TargetRegisterClass::alloc_order_begin()
llvm::TargetRegisterClass::alloc_order_end()
will give a list of the possible physical registers.
When a virtual register is assigned a physical register