diff options
Diffstat (limited to 'llvm/lib/IR/AutoUpgrade.cpp')
| -rw-r--r-- | llvm/lib/IR/AutoUpgrade.cpp | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp index 96c34c0ad8c..a68247be973 100644 --- a/llvm/lib/IR/AutoUpgrade.cpp +++ b/llvm/lib/IR/AutoUpgrade.cpp @@ -1488,28 +1488,26 @@ void llvm::UpgradeCallsToIntrinsic(Function *F) { } } -void llvm::UpgradeInstWithTBAATag(Instruction *I) { - MDNode *MD = I->getMetadata(LLVMContext::MD_tbaa); - assert(MD && "UpgradeInstWithTBAATag should have a TBAA tag"); +MDNode *llvm::UpgradeTBAANode(MDNode &MD) { // Check if the tag uses struct-path aware TBAA format. - if (isa<MDNode>(MD->getOperand(0)) && MD->getNumOperands() >= 3) - return; + if (isa<MDNode>(MD.getOperand(0)) && MD.getNumOperands() >= 3) + return &MD; - if (MD->getNumOperands() == 3) { - Metadata *Elts[] = {MD->getOperand(0), MD->getOperand(1)}; - MDNode *ScalarType = MDNode::get(I->getContext(), Elts); + auto &Context = MD.getContext(); + if (MD.getNumOperands() == 3) { + Metadata *Elts[] = {MD.getOperand(0), MD.getOperand(1)}; + MDNode *ScalarType = MDNode::get(Context, Elts); // Create a MDNode <ScalarType, ScalarType, offset 0, const> Metadata *Elts2[] = {ScalarType, ScalarType, - ConstantAsMetadata::get(Constant::getNullValue( - Type::getInt64Ty(I->getContext()))), - MD->getOperand(2)}; - I->setMetadata(LLVMContext::MD_tbaa, MDNode::get(I->getContext(), Elts2)); - } else { - // Create a MDNode <MD, MD, offset 0> - Metadata *Elts[] = {MD, MD, ConstantAsMetadata::get(Constant::getNullValue( - Type::getInt64Ty(I->getContext())))}; - I->setMetadata(LLVMContext::MD_tbaa, MDNode::get(I->getContext(), Elts)); + ConstantAsMetadata::get( + Constant::getNullValue(Type::getInt64Ty(Context))), + MD.getOperand(2)}; + return MDNode::get(Context, Elts2); } + // Create a MDNode <MD, MD, offset 0> + Metadata *Elts[] = {&MD, &MD, ConstantAsMetadata::get(Constant::getNullValue( + Type::getInt64Ty(Context)))}; + return MDNode::get(Context, Elts); } Instruction *llvm::UpgradeBitCastInst(unsigned Opc, Value *V, Type *DestTy, |
