commit f77aaa00896d187cfbaed49a59859b402168f531
author Mike Stump <mrs@apple.com> Wed Nov 18 02:53:28 2009 +0000
committer Mike Stump <mrs@apple.com> Wed Nov 18 02:53:28 2009 +0000
tree 8cc72af4f4137281eb7b44679e2c80b264b1e230
parent e61f2ba7e44ac3f5b635dd639add8a745e175a62

Make _ZTI symbols hidden.  This speeds up the dynamic linker.

llvm-svn: 89185

clang/lib/CodeGen/CGRtti.cpp

diff --git a/clang/lib/CodeGen/CGRtti.cpp b/clang/lib/CodeGen/CGRtti.cpp
index 9ebb908..4a9779a 100644
--- a/clang/lib/CodeGen/CGRtti.cpp
+++ b/clang/lib/CodeGen/CGRtti.cpp
@@ -165,6 +165,7 @@
       OGV->replaceAllUsesWith(NewPtr);
       OGV->eraseFromParent();
     }
+    GV->setVisibility(llvm::GlobalVariable::HiddenVisibility);
     return llvm::ConstantExpr::getBitCast(GV, Int8PtrTy);
   }
 

clang/test/CodeGenCXX/rtti.cpp

diff --git a/clang/test/CodeGenCXX/rtti.cpp b/clang/test/CodeGenCXX/rtti.cpp
index b64071c..f496d7a 100644
--- a/clang/test/CodeGenCXX/rtti.cpp
+++ b/clang/test/CodeGenCXX/rtti.cpp
@@ -57,6 +57,9 @@
 // CHECK-NEXT: .quad  __ZTIi
 // CHECK-NEXT: .quad  __ZTI7test3_I
 
+// CHECK:     .private_extern __ZTIFvvE
+// CHECK:     .globl __ZTIFvvE
+// CHECK:     .weak_definition __ZTIFvvE
 // CHECK:     __ZTIFvvE:
 // CHECK-NEXT: 	.quad	(__ZTVN10__cxxabiv120__function_type_infoE) + 16
 // CHECK-NEXT: 	.quad	__ZTSFvvE