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globalopt_8cpp_source
2015 Sep 18
2
GlobalOPT and sections
...ncient code with Chris's name all over it, so I naturally feel humbled :)
I see a conceptual issue in lib/Transforms/IPO/GlobalOpt.cpp with several optimizations that create a copy of GlobalVariable without copying attributes from the original one.
Consider this one:
http://llvm.org/doxygen/GlobalOpt_8cpp_source.html
static bool TryToShrinkGlobalToBoolean(GlobalVariable *GV, Constant *OtherVal) {
...
// Create the new global, initializing it to false.
GlobalVariable *NewGV = new GlobalVariable(Type::getInt1Ty(GV->getContext()),
false,...