Add utility method for determining whether a function argument

has the 'nest' attribute.

llvm-svn: 91109

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/VMCore/Function.cpp b/llvm/lib/VMCore/Function.cpp
index 6cf2c8186f9..88e1fe8ae4f 100644
--- a/llvm/lib/VMCore/Function.cpp
+++ b/llvm/lib/VMCore/Function.cpp
@@ -77,6 +77,13 @@ bool Argument::hasByValAttr() const {
   return getParent()->paramHasAttr(getArgNo()+1, Attribute::ByVal);
 }
 
+/// hasNestAttr - Return true if this argument has the nest attribute on
+/// it in its containing function.
+bool Argument::hasNestAttr() const {
+  if (!isa<PointerType>(getType())) return false;
+  return getParent()->paramHasAttr(getArgNo()+1, Attribute::Nest);
+}
+
 /// hasNoAliasAttr - Return true if this argument has the noalias attribute on
 /// it in its containing function.
 bool Argument::hasNoAliasAttr() const {