[LLVMdev] thumb2 folding of constant addresses unhelpful

Bagel bagel99 at gmail.com
Tue Dec 1 15:08:50 PST 2009


I'm not authorized to file bugs.  Would someone please enter this?

Thank you, bagel

Evan Cheng wrote:
 > Right. I am aware of this problem but am not sure about what to do about it.
 > It's common for a number 32-bit immediates in the same block with the same
 > lower or higher 16-bit. Since the immediates will not be split until late in
 > codegen, the target independent optimizer will not CSE them.
 >
 > Please file a bug, I need to think about a proper solution.
 >
 > Evan



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