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But is it used? From what I remember aliasing information provided was not used by LLVM. Did anything changed?
by lossolo 7y ago
But is it used? From what I remember aliasing information provided was not used by LLVM. Did anything changed?
- dodobirdlord 7y agoI believe the code miscompilation bug in LLVM that was blocking enabling it was fixed. That said, it's gone back and forth now several times as new bugs get discovered. The code paths in GCC and LLVM for noalias optimizations aren't particularly battle-tested because C and C++ basically don't use them.