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001b77e0
2017 Feb 27
3
How can I get the opcode length of an IR instruction in LLVM?
I need to get the offset and the exact length of opcode corresponding to
a particular LLVM IR instruction in x86 architecture. I believe for this
I must hack in backends.
I assume there is a way when the opcodes are being generated in x86
backend to dump their offsets and sizes. However, considering
optimizations and translation of one IR instruction to multiple
operations, I'm not sure