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Ok, I'm trying to get llvm to decide when to turn the multiplier "on" and "off" for an ARM simulator. These instructions are just to let the simulator know when to power on/off the multiplier. I need to insert an instruction before the first multiply and another one after the last multiply in a basic block. I'm currently trying to figure out the best way to do that

On Dec 6, 2010, at 10:57 AM, John Criswell wrote: > On 12/6/10 11:39 AM, Andrew Lukefahr wrote: >> Hi, >> >> How would I disable dead code elimination in llc? Can that be done via the command line or do I need to modify llc's source? > > You can use llc --help-hidden to see a list of options. There are several -disable-xxx options that disable various code