llvm/test/CodeGen/X86/weak.ll - llvm-project - Git at Google

 ; RUN: llc < %s -mtriple=i686--
 @a = extern_weak global i32             ; <ptr> [#uses=1]
 @b = global ptr @a             ; <ptr> [#uses=0]
	; RUN: llc < %s -mtriple=i686--
	@a = extern_weak global i32 ; <ptr> [#uses=1]
	@b = global ptr @a ; <ptr> [#uses=0]