X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FIR%2FAutoUpgrade.cpp;h=2b62ea24cecbb4edf3db13e1c43c5c33835813c6;hb=79f9f85c04e1ed29670ed7a87df879bb5b42a0f1;hp=05b3745ab0f9dcfd6674dc5fff9c18391b6bdabd;hpb=23356d4d64d4511d340bc6dad1464c8a3c65473b;p=oota-llvm.git diff --git a/lib/IR/AutoUpgrade.cpp b/lib/IR/AutoUpgrade.cpp index 05b3745ab0f..2b62ea24cec 100644 --- a/lib/IR/AutoUpgrade.cpp +++ b/lib/IR/AutoUpgrade.cpp @@ -173,62 +173,7 @@ bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) { return Upgraded; } -static bool UpgradeGlobalStructors(GlobalVariable *GV) { - ArrayType *ATy = dyn_cast(GV->getType()->getElementType()); - StructType *OldTy = - ATy ? dyn_cast(ATy->getElementType()) : nullptr; - - // Only upgrade an array of a two field struct with the appropriate field - // types. - if (!OldTy || OldTy->getNumElements() != 2) - return false; - - // Get the upgraded 3 element type. - PointerType *VoidPtrTy = Type::getInt8Ty(GV->getContext())->getPointerTo(); - Type *Tys[3] = { - OldTy->getElementType(0), - OldTy->getElementType(1), - VoidPtrTy - }; - StructType *NewTy = - StructType::get(GV->getContext(), Tys, /*isPacked=*/false); - - // Build new constants with a null third field filled in. - Constant *OldInitC = GV->getInitializer(); - ConstantArray *OldInit = dyn_cast(OldInitC); - if (!OldInit && !isa(OldInitC)) - return false; - std::vector Initializers; - if (OldInit) { - for (Use &U : OldInit->operands()) { - ConstantStruct *Init = cast(&U); - Constant *NewInit = - ConstantStruct::get(NewTy, Init->getOperand(0), Init->getOperand(1), - Constant::getNullValue(VoidPtrTy), nullptr); - Initializers.push_back(NewInit); - } - } - assert(Initializers.size() == ATy->getNumElements()); - - // Replace the old GV with a new one. - ATy = ArrayType::get(NewTy, Initializers.size()); - Constant *NewInit = ConstantArray::get(ATy, Initializers); - GlobalVariable *NewGV = new GlobalVariable( - *GV->getParent(), ATy, GV->isConstant(), GV->getLinkage(), NewInit, "", - GV, GV->getThreadLocalMode(), GV->getType()->getAddressSpace(), - GV->isExternallyInitialized()); - NewGV->copyAttributesFrom(GV); - NewGV->takeName(GV); - assert(GV->use_empty() && "program cannot use initializer list"); - GV->eraseFromParent(); - return true; -} - bool llvm::UpgradeGlobalVariable(GlobalVariable *GV) { - if (GV->getName() == "llvm.global_ctors" || - GV->getName() == "llvm.global_dtors") - return UpgradeGlobalStructors(GV); - // Nothing to do yet. return false; } @@ -577,3 +522,12 @@ bool llvm::UpgradeDebugInfo(Module &M) { } return RetCode; } + +void llvm::UpgradeMDStringConstant(std::string &String) { + const std::string OldPrefix = "llvm.vectorizer."; + if (String == "llvm.vectorizer.unroll") { + String = "llvm.loop.interleave.count"; + } else if (String.find(OldPrefix) == 0) { + String.replace(0, OldPrefix.size(), "llvm.loop.vectorize."); + } +}