Fix missing <%s in RUN line

Author: lukel97

llvm/test/CodeGen/RISCV/rvv/pr141907.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; RUN: llc -mtriple=riscv64 -mcpu=sifive-p670 | FileCheck %s
+; RUN: llc < %s -mtriple=riscv64 -mcpu=sifive-p670 | FileCheck %s
 
 define void @pr141907(ptr %0) nounwind {
 ; CHECK-LABEL: pr141907: