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-rw-r--r--lib/Transforms/Scalar/LoopVersioningLICM.cpp31
1 files changed, 0 insertions, 31 deletions
diff --git a/lib/Transforms/Scalar/LoopVersioningLICM.cpp b/lib/Transforms/Scalar/LoopVersioningLICM.cpp
index 896dd8bcb922..2ccb7cae3079 100644
--- a/lib/Transforms/Scalar/LoopVersioningLICM.cpp
+++ b/lib/Transforms/Scalar/LoopVersioningLICM.cpp
@@ -112,37 +112,6 @@ static cl::opt<unsigned> LVLoopDepthThreshold(
"LoopVersioningLICM's threshold for maximum allowed loop nest/depth"),
cl::init(2), cl::Hidden);
-/// Create MDNode for input string.
-static MDNode *createStringMetadata(Loop *TheLoop, StringRef Name, unsigned V) {
- LLVMContext &Context = TheLoop->getHeader()->getContext();
- Metadata *MDs[] = {
- MDString::get(Context, Name),
- ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(Context), V))};
- return MDNode::get(Context, MDs);
-}
-
-/// Set input string into loop metadata by keeping other values intact.
-void llvm::addStringMetadataToLoop(Loop *TheLoop, const char *MDString,
- unsigned V) {
- SmallVector<Metadata *, 4> MDs(1);
- // If the loop already has metadata, retain it.
- MDNode *LoopID = TheLoop->getLoopID();
- if (LoopID) {
- for (unsigned i = 1, ie = LoopID->getNumOperands(); i < ie; ++i) {
- MDNode *Node = cast<MDNode>(LoopID->getOperand(i));
- MDs.push_back(Node);
- }
- }
- // Add new metadata.
- MDs.push_back(createStringMetadata(TheLoop, MDString, V));
- // Replace current metadata node with new one.
- LLVMContext &Context = TheLoop->getHeader()->getContext();
- MDNode *NewLoopID = MDNode::get(Context, MDs);
- // Set operand 0 to refer to the loop id itself.
- NewLoopID->replaceOperandWith(0, NewLoopID);
- TheLoop->setLoopID(NewLoopID);
-}
-
namespace {
struct LoopVersioningLICM : public LoopPass {