vendor/llvm/llvm-r73340

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index 3a991f62d84e3..54bd895fd4096 100644
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -364,4 +364,15 @@ Function *Intrinsic::getDeclaration(Module *M, ID id, const Type **Tys,
 #include "llvm/Intrinsics.gen"
 #undef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN
 
+  /// hasAddressTaken - returns true if there are any uses of this function
+  /// other than direct calls or invokes to it.
+bool Function::hasAddressTaken() const {
+  for (Value::use_const_iterator I = use_begin(), E = use_end(); I != E; ++I) {
+    if (I.getOperandNo() != 0 ||
+        (!isa<CallInst>(*I) && !isa<InvokeInst>(*I)))
+      return true;
+  }
+  return false;
+}
+
 // vim: sw=2 ai