test/CodeGen/X86/2004-02-14-InefficientStackPointer.llx - llvm - Git at Google

 ; RUN: llvm-as < %s | llc -march=x86 | grep ESP | not grep sub

 int %test(int %X) {
 	ret int %X
 }
	; RUN: llvm-as < %s \| llc -march=x86 \| grep ESP \| not grep sub

	int %test(int %X) {
	ret int %X
	}