; RUN: llvm-as %s -o %t1.bc
; RUN: echo "declare void @__eprintf(i8*, i8*, i32, i8*) noreturn define void @foo() { tail call void @__eprintf( i8* undef, i8* undef, i32 4, i8* null ) noreturn nounwind unreachable }" | llvm-as -o %t2.bc
-; RUN: llvm-link %t2.bc %t1.bc -S | grep __eprintf
-; RUN: llvm-link %t1.bc %t2.bc -S | grep __eprintf
+; RUN: llvm-link %t2.bc %t1.bc -S | FileCheck %s
+; RUN: llvm-link %t1.bc %t2.bc -S | FileCheck %s
+; CHECK: __eprintf
; rdar://6072702