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1020088
2011 Dec 17
4
[LLVMdev] Stop MachineCSE on certain instructions
Hello,
I'm writing for a backend and have a complicated instruction bundle (3
instructions) that has to be executed like a single block (meaning: if
the first instruction is executed, all three have to be executed to
obtain the result, though not necessarily without other instructions in
between). Unfortunately, MachineCSE gets in the way sometimes and rips
it apart.
Is there a way to