From c72c57c9e9b69944e3e009cd5e209634839581d3 Mon Sep 17 00:00:00 2001 From: dim Date: Mon, 8 Apr 2013 18:45:10 +0000 Subject: Vendor import of clang trunk r178860: http://llvm.org/svn/llvm-project/cfe/trunk@178860 --- test/CodeGenCXX/pragma-weak.cpp | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 test/CodeGenCXX/pragma-weak.cpp (limited to 'test/CodeGenCXX/pragma-weak.cpp') diff --git a/test/CodeGenCXX/pragma-weak.cpp b/test/CodeGenCXX/pragma-weak.cpp new file mode 100644 index 0000000..ed537ff --- /dev/null +++ b/test/CodeGenCXX/pragma-weak.cpp @@ -0,0 +1,31 @@ +// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s + +#pragma weak zex +int zex; +// GCC produces a weak symbol for this because it matches mangled names. +// Different c++ ABIs may or may not mangle this, so we produce a strong +// symbol. +// CHECK: @zex = global i32 + +#pragma weak foo +struct S { void foo(); }; +void S::foo() {} +// CHECK: define void @_ZN1S3fooEv( + +#pragma weak zed +namespace bar { void zed() {} } +// CHECK: define void @_ZN3bar3zedEv( + +#pragma weak bah +void bah() {} +// CHECK: define void @_Z3bahv( + +#pragma weak baz +extern "C" void baz() {} +// CHECK: define weak void @baz( + +#pragma weak _Z3baxv +void bax() {} +// GCC produces a weak symbol for this one, but it doesn't look like a good +// idea to expose the mangling to the pragma unless we really have to. +// CHECK: define void @_Z3baxv( -- cgit v1.1