commit d8442b1b21e381e4892bae953313bdc6d70497b6
author Hal Finkel <hfinkel@anl.gov> Sat Jul 12 04:51:04 2014 +0000
committer Hal Finkel <hfinkel@anl.gov> Sat Jul 12 04:51:04 2014 +0000
tree 5eec286394c92ebdba254060e87c5cfb2a1460ae
parent 289ca249f070348861c1efc4fb0380411ff21b84

Add nonnull in CodeGen for __attribute__((returns_nonnull))

As a follow-up to r212835, also add the LLVM nonnull function attribute when
__attribute__((returns_nonnull)) is provided.

llvm-svn: 212874

clang/lib/CodeGen/CGCall.cpp

diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index c32e4f2..2a9d84a 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -1107,6 +1107,8 @@
     }
     if (TargetDecl->hasAttr<MallocAttr>())
       RetAttrs.addAttribute(llvm::Attribute::NoAlias);
+    if (TargetDecl->hasAttr<ReturnsNonNullAttr>())
+      RetAttrs.addAttribute(llvm::Attribute::NonNull);
   }
 
   if (CodeGenOpts.OptimizeSize)