llvm-6502/test/CodeGen/X86/2007-09-06-ExtWeakAliasee.ll

; RUN: llvm-as < %s | llc -march=x86 | grep weak | count 2
@__gthrw_pthread_once = alias weak i32 (i32*, void ()*)* @pthread_once		; <i32 (i32*, void ()*)*> [#uses=0]

declare extern_weak i32 @pthread_once(i32*, void ()*)
Proper handle case, when aliasee is external weak symbol referenced only by alias itself. Also, fix a case, when target doesn't have weak symbols supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41746 91177308-0d34-0410-b5e6-96231b3b80d8 2007-09-06 17:21:48 +00:00			`; RUN: llvm-as < %s \| llc -march=x86 \| grep weak \| count 2`
			`@__gthrw_pthread_once = alias weak i32 (i32, void ())* @pthread_once ; <i32 (i32, void ())*> [#uses=0]`

			`declare extern_weak i32 @pthread_once(i32, void ())`