[LLVMdev] What does promote elements do ?

Tue Jul 3 06:31:15 PDT 2012

Hi all,

I was wondering what was promote element pass doing ?
It seems that it has been turned on by default in llc since LLVM 3.1 and it exposes a lot of BUG for ARM target.
Not sure those are ARM backend bugs or promote elements bugs. However ARM BUGS are not release blockers, it is a significant regression versus LLVM 3.0.
Can this be disabled by default for ARM target ?

Best Regards
Seb

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