From 7d54254c9cc6e5a3be3a7d9d22241c0ae8a7fa03 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Sun, 17 Feb 2008 23:22:28 +0000
Subject: [PATCH] Add a predicate to Argument to check for the StructRet
 attribute.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47248 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Argument.h | 4 ++++
 lib/VMCore/Function.cpp | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/include/llvm/Argument.h b/include/llvm/Argument.h
index a9d85f21d09..23d1a083482 100644
--- a/include/llvm/Argument.h
+++ b/include/llvm/Argument.h
@@ -57,6 +57,10 @@ public:
   /// it in its containing function.
   bool hasNoAliasAttr() const;
   
+  /// hasSRetAttr - Return true if this argument has the sret attribute on it in
+  /// its containing function.
+  bool hasStructRetAttr() const;
+  
   virtual void print(std::ostream &OS) const;
   void print(std::ostream *OS) const {
     if (OS) print(*OS);
diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index 47e85d7aa69..fe3f2fe770c 100644
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -103,6 +103,13 @@ bool Argument::hasNoAliasAttr() const {
   return getParent()->paramHasAttr(getArgNo()+1, ParamAttr::NoAlias);
 }
 
+/// hasSRetAttr - Return true if this argument has the sret attribute on
+/// it in its containing function.
+bool Argument::hasStructRetAttr() const {
+  if (!isa<PointerType>(getType())) return false;
+  return getParent()->paramHasAttr(getArgNo()+1, ParamAttr::StructRet);
+}
+