[LLVMdev] LLVM opt GVN.cpp (original) (raw)

Bob Wilson bob.wilson at apple.com
Wed Oct 1 09:45:17 PDT 2014


On Sep 30, 2014, at 10:37 PM, GangRyung Uh <guh at boisestate.edu> wrote:

Hi, I wonder what PRE algorithm is used for the GVN.cpp in LLVM. Any reference will be appreciated.

GVN does not implement any real PRE algorithm. There is some ad-hoc code to catch some simple cases, but that’s all.



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