[LLVMdev] Can simplifycfg kill llvm.lifetime intrinsics?
kparzysz at codeaurora.org
Fri Dec 28 10:10:04 PST 2012
On 12/28/2012 12:00 PM, Nick Lewycky wrote:
> As an alternative model, I propose replacing lifetime.start/end with a
> single intrinsic that does the equivalent of 'store undef, %ptr' and
> nothing more.
Couldn't we just insert the store? Unless it's a volatile (or otherwise
ordered) location, the optimizer would be free to remove it.
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