Changing constants in a test (NFC)

Summary:
Changing the lengths of the atomic memory intrinsics in a test to make sure
that they don't get lowered into loads/stores if/when expansion of these
occurs in selectiondag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@331800 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed