llvm/test/CodeGen/PowerPC/2004-12-12-ZeroSizeCommon.ll - third_party/llvm-project - Git at Google

 ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep .comm.*X,0

 @X = linkonce global {  } zeroinitializer               ; <ptr> [#uses=0]
	; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- \| not grep .comm.*X,0

	@X = linkonce global { } zeroinitializer ; <ptr> [#uses=0]