[llvm-dev] about INSERT_SUBREG

[林政宗 via llvm-dev]

Hi, there,


I'm not quite familiar with target opcode INSERT_SUBREG. I wonder when and how it should be used.
Is there any example or testcase about INSERT_SUBREG so that I can run llc or clang to follow the whole process dealing with it from start to end? 
Thanks!






BR,
Jerry
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