Fix test cases.
Generate code for Mips32r1 unless a Mips32r2 feature is tested.

llvm-svn: 139433
diff --git a/llvm/test/CodeGen/Mips/i64arg.ll b/llvm/test/CodeGen/Mips/i64arg.ll
index 560f2e9..87cf2a6 100644
--- a/llvm/test/CodeGen/Mips/i64arg.ll
+++ b/llvm/test/CodeGen/Mips/i64arg.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=mips -mcpu=4ke < %s | FileCheck %s
+; RUN: llc -march=mips < %s | FileCheck %s
 
 define void @f1(i64 %ll1, float %f, i64 %ll, i32 %i, float %f2) nounwind {
 entry: