[test] Avoid dumping .o in source tree (expand-pseudos.ll)
Piping the input to llc avoids that (i.e. llc .... < %s vs llc ... %s)
diff --git a/llvm/test/CodeGen/ARM/expand-pseudos.ll b/llvm/test/CodeGen/ARM/expand-pseudos.ll
index d8a7e8b..78c3fe0 100644
--- a/llvm/test/CodeGen/ARM/expand-pseudos.ll
+++ b/llvm/test/CodeGen/ARM/expand-pseudos.ll
@@ -1,5 +1,5 @@
-; RUN: llc -filetype=obj -relocation-model=pic %s --verify-machineinstrs -print-after=postrapseudos 2>&1 | FileCheck -check-prefix=CHECK-POST-RA %s
-; RUN: llc -filetype=obj -relocation-model=pic %s --verify-machineinstrs -print-after=arm-pseudo 2>&1 | FileCheck -check-prefix=CHECK-POST-AP %s
+; RUN: llc -filetype=obj -relocation-model=pic --verify-machineinstrs -print-after=postrapseudos < %s 2>&1 | FileCheck -check-prefix=CHECK-POST-RA %s
+; RUN: llc -filetype=obj -relocation-model=pic --verify-machineinstrs -print-after=arm-pseudo < %s 2>&1 | FileCheck -check-prefix=CHECK-POST-AP %s
; CHECK-POST-RA: $r12 = t2LDRLIT_ga_pcrel target-flags(arm-got) @__stack_chk_guard
; CHECK-POST-AP: $r12 = t2LDRpci %const.0, 14, $noreg
