Add functions to enable adding a single attribute to a function and

its associated call site.

llvm-svn: 51204

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/lib/VMCore/Function.cpp b/llvm/lib/VMCore/Function.cpp
index 9f7eefe1a6b..49e69e1b2c1 100644
--- a/llvm/lib/VMCore/Function.cpp
+++ b/llvm/lib/VMCore/Function.cpp
@@ -240,6 +240,12 @@ void Function::setDoesNotThrow(bool doesNotThrow) {
   setParamAttrs(PAL);
 }
 
+void Function::addParamAttr(unsigned i, ParameterAttributes attr) {
+  PAListPtr PAL = getParamAttrs();
+  PAL = PAL.addAttr(i, attr);
+  setParamAttrs(PAL);
+}
+
 // Maintain the collector name for each function in an on-the-side table. This
 // saves allocating an additional word in Function for programs which do not use
 // GC (i.e., most programs) at the cost of increased overhead for clients which