[SystemZ] Tighten branch tests

After r182274, the branches in these tests must always be short.

llvm-svn: 182358
diff --git a/llvm/test/CodeGen/SystemZ/atomicrmw-add-03.ll b/llvm/test/CodeGen/SystemZ/atomicrmw-add-03.ll
index 01eb8e0..e319057 100644
--- a/llvm/test/CodeGen/SystemZ/atomicrmw-add-03.ll
+++ b/llvm/test/CodeGen/SystemZ/atomicrmw-add-03.ll
@@ -10,7 +10,7 @@
 ; CHECK: lr %r0, %r2
 ; CHECK: ar %r0, %r4
 ; CHECK: cs %r2, %r0, 0(%r3)
-; CHECK: j{{g?}}lh [[LABEL]]
+; CHECK: jlh [[LABEL]]
 ; CHECK: br %r14
   %res = atomicrmw add i32 *%src, i32 %b seq_cst
   ret i32 %res
@@ -24,7 +24,7 @@
 ; CHECK: lr %r0, %r2
 ; CHECK: ahi %r0, 1
 ; CHECK: cs %r2, %r0, 0(%r3)
-; CHECK: j{{g?}}lh [[LABEL]]
+; CHECK: jlh [[LABEL]]
 ; CHECK: br %r14
   %res = atomicrmw add i32 *%src, i32 1 seq_cst
   ret i32 %res