diff --git a/llvm/test/CodeGen/MIR/Generic/prefetch-targets-error.mir b/llvm/test/CodeGen/MIR/Generic/prefetch-targets-error.mir
index 481302f0021b..0a8fe254e6f5 100644
--- a/llvm/test/CodeGen/MIR/Generic/prefetch-targets-error.mir
+++ b/llvm/test/CodeGen/MIR/Generic/prefetch-targets-error.mir
@@ -1,8 +1,8 @@
 # RUN: split-file %s %t
-# RUN: not llc -run-pass=none -o --filetype=null %t/missing-bb-id.mir 2>&1 | FileCheck %s --check-prefix=MISSING-BB-ID
-# RUN: not llc -run-pass=none -o --filetype=null %t/missing-comma.mir 2>&1 | FileCheck %s --check-prefix=MISSING-COMMA
-# RUN: not llc -run-pass=none -o --filetype=null %t/missing-index.mir 2>&1 | FileCheck %s --check-prefix=MISSING-INDEX
-# RUN: not llc -run-pass=none -o --filetype=null %t/invalid-index.mir 2>&1 | FileCheck %s --check-prefix=INVALID-INDEX
+# RUN: not llc -run-pass=none --filetype=null %t.dir/missing-bb-id.mir 2>&1 | FileCheck %s --check-prefix=MISSING-BB-ID
+# RUN: not llc -run-pass=none --filetype=null %t.dir/missing-comma.mir 2>&1 | FileCheck %s --check-prefix=MISSING-COMMA
+# RUN: not llc -run-pass=none --filetype=null %t.dir/missing-index.mir 2>&1 | FileCheck %s --check-prefix=MISSING-INDEX
+# RUN: not llc -run-pass=none --filetype=null %t.dir/invalid-index.mir 2>&1 | FileCheck %s --check-prefix=INVALID-INDEX
 
 # MISSING-BB-ID: {{.*}}missing-bb-id.mir:3:22: expected 'bb_id'
 # MISSING-COMMA: {{.*}}missing-comma.mir:3:33: expected ','