[LoopUtils] Move def of findStringMetadataForLoop to LoopUtils.cpp. NFC

The decl is in LoopUtils.h.  I think that this was added to
LoopVersioningLICM.cpp by mistake.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267014 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/LoopVersioningLICM.cpp b/lib/Transforms/Scalar/LoopVersioningLICM.cpp
index 59e51b9..df0094d 100644 (file)
--- a/lib/Transforms/Scalar/LoopVersioningLICM.cpp
+++ b/lib/Transforms/Scalar/LoopVersioningLICM.cpp
@@ -121,28 +121,6 @@ static MDNode *createStringMetadata(Loop *TheLoop, StringRef Name, unsigned V) {
   return MDNode::get(Context, MDs);
 }
 
-/// \brief Find string metadata for loop, if it exist return true, else return
-/// false.
-bool llvm::findStringMetadataForLoop(Loop *TheLoop, StringRef Name) {
-  MDNode *LoopID = TheLoop->getLoopID();
-  // Return false if LoopID is false.
-  if (!LoopID)
-    return false;
-  // Iterate over LoopID operands and look for MDString Metadata
-  for (unsigned i = 1, e = LoopID->getNumOperands(); i < e; ++i) {
-    MDNode *MD = dyn_cast<MDNode>(LoopID->getOperand(i));
-    if (!MD)
-      continue;
-    MDString *S = dyn_cast<MDString>(MD->getOperand(0));
-    if (!S)
-      continue;
-    // Return true if MDString holds expected MetaData.
-    if (Name.equals(S->getString()))
-      return true;
-  }
-  return false;
-}
-
 /// \brief Set input string into loop metadata by keeping other values intact.
 void llvm::addStringMetadataToLoop(Loop *TheLoop, const char *MDString,
                                    unsigned V) {

diff --git a/lib/Transforms/Utils/LoopUtils.cpp b/lib/Transforms/Utils/LoopUtils.cpp
index a2964c3..79bfea0 100644 (file)
--- a/lib/Transforms/Utils/LoopUtils.cpp
+++ b/lib/Transforms/Utils/LoopUtils.cpp
@@ -822,3 +822,25 @@ void llvm::initializeLoopPassPass(PassRegistry &Registry) {
   INITIALIZE_PASS_DEPENDENCY(SCEVAAWrapperPass)
   INITIALIZE_PASS_DEPENDENCY(ScalarEvolutionWrapperPass)
 }
+
+/// \brief Find string metadata for loop, if it exist return true, else return
+/// false.
+bool llvm::findStringMetadataForLoop(Loop *TheLoop, StringRef Name) {
+  MDNode *LoopID = TheLoop->getLoopID();
+  // Return false if LoopID is false.
+  if (!LoopID)
+    return false;
+  // Iterate over LoopID operands and look for MDString Metadata
+  for (unsigned i = 1, e = LoopID->getNumOperands(); i < e; ++i) {
+    MDNode *MD = dyn_cast<MDNode>(LoopID->getOperand(i));
+    if (!MD)
+      continue;
+    MDString *S = dyn_cast<MDString>(MD->getOperand(0));
+    if (!S)
+      continue;
+    // Return true if MDString holds expected MetaData.
+    if (Name.equals(S->getString()))
+      return true;
+  }
+  return false;
+}