On 01/11/2011 17:07, Dale Johannesen wrote: > The unitialized load is there in the llc version as well (16(%rsp)). > It looks like it's been erroneously moved ahead of the spill to that > slot. Please file a PR. (I can see this on Darwin with llc -O0). http://llvm.org/bugs/show_bug.cgi?id=8961