[AST] Move a function definition into the cpp [NFC]
llvm-svn: 340382
diff --git a/llvm/lib/Analysis/AliasSetTracker.cpp b/llvm/lib/Analysis/AliasSetTracker.cpp
index dc6ecd5..66fdf7f 100644
--- a/llvm/lib/Analysis/AliasSetTracker.cpp
+++ b/llvm/lib/Analysis/AliasSetTracker.cpp
@@ -252,6 +252,18 @@
return false;
}
+Instruction* AliasSet::getUniqueInstruction() {
+ if (size() != 0)
+ // Can't track source of pointer, might be many instruction
+ return nullptr;
+ if (AliasAny)
+ // May have collapses alias set
+ return nullptr;
+ if (1 != UnknownInsts.size())
+ return nullptr;
+ return cast<Instruction>(UnknownInsts[0]);
+}
+
void AliasSetTracker::clear() {
// Delete all the PointerRec entries.
for (PointerMapType::iterator I = PointerMap.begin(), E = PointerMap.end();