Change test to use FileCheck rather than grep.

Differential Revision: http://reviews.llvm.org/D13751

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250431 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/opt-ext-uses.ll b/test/CodeGen/X86/opt-ext-uses.ll
index 5d05ad9c454477b3e2d8a44ee3c8d9b172a54929..39e6fd0e6a59f3968e670cd1f214725364edba21 100644 (file)
--- a/test/CodeGen/X86/opt-ext-uses.ll
+++ b/test/CodeGen/X86/opt-ext-uses.ll
@@ -1,4 +1,10 @@
-; RUN: llc < %s -march=x86 | grep movw | count 1
+; RUN: llc < %s -march=x86 | FileCheck %s
+
+; This test should get one and only one register to register mov.
+; CHECK-LABEL: t:
+; CHECK:     movw
+; CHECK-NOT: movw
+; CHECK:     ret
 
 define signext i16 @t()   {
 entry: