[llvm-dev] Custom assembler subset

Kenneth Adam Miller via llvm-dev llvm-dev at lists.llvm.org
Wed Jun 1 16:48:45 PDT 2016

Hello all,

I would like to restrain the compiler that I build on my local box from
picking all but a particular set of opcodes. Is there a way to accomplish
this in a straightforward way? I'm pretty sure that there is a list of
opcodes to semantics mappings.

In addition, is there a way to look at an associative mapping of LLVM IR to
opcode, and/or vice versa?
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