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32847689
2009 Sep 08
2
[LLVMdev] how to change one operand of an LLVM instruction
I am trying to implement node splitting to transform irreducible CFGS to
reducible ones. This means making copies of some basic blocks, which in
turn means making copies of individual instructions. I can use the
"clone" function to make an exact copy, but then I need to change some
operands. For example, when I copy
%1 = ...
%2 = add %1, 5
I get
%3 = ...
%4 = add %1, 5