Revert "[opaque pointer types] Add a FunctionCallee wrapper type, and use it."

This reverts commit f47d6b38c7a61d50db4566b02719de05492dcef1 (r352791).

Seems to run into compilation failures with GCC (but not clang, where
I tested it). Reverting while I investigate.

llvm-svn: 352800

1 files changed, 2 insertions, 3 deletions

diff --git a/llvm/unittests/IR/MetadataTest.cpp b/llvm/unittests/IR/MetadataTest.cpp
index 7b9b7c4d898..c66bbde8182 100644
--- a/llvm/unittests/IR/MetadataTest.cpp
+++ b/llvm/unittests/IR/MetadataTest.cpp
@@ -117,9 +117,8 @@ protected:
         32, 32, 0, DINode::FlagZero, nullptr, 0, nullptr, nullptr, "");
   }
   Function *getFunction(StringRef Name) {
-    return Function::Create(
-        FunctionType::get(Type::getVoidTy(Context), None, false),
-        Function::ExternalLinkage, Name, M);
+    return cast<Function>(M.getOrInsertFunction(
+        Name, FunctionType::get(Type::getVoidTy(Context), None, false)));
   }
 };
 typedef MetadataTest MDStringTest;