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2014 Oct 27
2
[LLVMdev] How to call a pointer that points to a C function
I have a pointer to a function that I need to invoke without going through llvm::Module::getOrInsertFunction. This example does not work: static int add(int x, int y); llvm::Value *one, *two; llvm::Constant* addfn = llvm::ConstantInt::get(JB->getIntPtrTy(DataLayout), (intptr_t)add); llvm::Type* args[] = { Int32Ty, Int32Ty }; llvm::FunctionType* ftype = llvm::FunctionType::get(Int32Ty, args); addfn = llvm::ConstantExpr::getPointerCast(addfn, ftype); CreateCall(addfn, one, two); --- Is there a way? Or...