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r238024
2015 May 29
0
[LLVMdev] Pristine Register Semantics
This is just a short heads-up for out-of-tree targets relying on the concept of pristine registers. I slightly changed their semantics in r238524 (see http://reviews.llvm.org/D10101 <http://reviews.llvm.org/D10101> for details). If you happened to not use the RegisterScavenger to get liveness past the PrologueEpilogue inserted and relied on MachineFrameInfo::getPristineRegs() without at same time relying on the machine basic blocks liv...