[LLVMdev] load widening conflicts with AddressSanitizer
Rafael Ávila de Espíndola
rafael.espindola at gmail.com
Sat Dec 17 07:40:05 PST 2011
On 16/12/11 08:46 PM, Chris Lattner wrote:
> I'm not opposed to disabling this transformation when asan is on, we just need a clean way to express this in the IR.
Could clang be aware of asan being on and introduce a "please don't
widen" metadata on local variable accesses?
Alternatively, could asan analyze the IL to see which bytes are used?
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