Provide convenient access to the zext/sext attributes of function arguments. NFC.

llvm-svn: 214843

1 files changed, 14 insertions, 0 deletions

diff --git a/llvm/lib/IR/Function.cpp b/llvm/lib/IR/Function.cpp
index de59b26ec92..f1fe6604333 100644
--- a/llvm/lib/IR/Function.cpp
+++ b/llvm/lib/IR/Function.cpp
@@ -166,6 +166,20 @@ bool Argument::hasReturnedAttr() const {
     hasAttribute(getArgNo()+1, Attribute::Returned);
 }
 
+/// hasZExtAttr - Return true if this argument has the zext attribute on it in
+/// its containing function.
+bool Argument::hasZExtAttr() const {
+  return getParent()->getAttributes().
+    hasAttribute(getArgNo()+1, Attribute::ZExt);
+}
+
+/// hasSExtAttr Return true if this argument has the sext attribute on it in its
+/// containing function.
+bool Argument::hasSExtAttr() const {
+  return getParent()->getAttributes().
+    hasAttribute(getArgNo()+1, Attribute::SExt);
+}
+
 /// Return true if this argument has the readonly or readnone attribute on it
 /// in its containing function.
 bool Argument::onlyReadsMemory() const {