Testcase fix.

Author: ukalappa-mips

clang/test/CodeGen/builtins-riscv-mips.c

@@ -1,5 +1,5 @@
 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 6
-// RUN: %clang_cc1 -triple riscv32-linux-elf -O3  -target-feature +xmipsexectl -emit-llvm -o - %s  | FileCheck %s RISCV32
+// RUN: %clang_cc1 -triple riscv32-linux-elf -O3  -target-feature +xmipsexectl -emit-llvm -o - %s  | FileCheck %s
 
 // CHECK-LABEL: define dso_local void @test_mips_pause(
 // CHECK-SAME: ) local_unnamed_addr #[[ATTR0:[0-9]+]] {