[x86] Stop this test from dirtying the source tree when run.

The output isn't used anyways.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304766 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/selectiondag-dominator.ll b/test/CodeGen/X86/selectiondag-dominator.ll
index ce56458861308ce9f521eef1bbf159da633aac53..f289a16f29ebe30fb9a3dde40fbb2b13108bebf4 100644 (file)
--- a/test/CodeGen/X86/selectiondag-dominator.ll
+++ b/test/CodeGen/X86/selectiondag-dominator.ll
@@ -1,7 +1,7 @@
 ; Make sure we don't crash because we have a stale dominator tree.
 ; PR33266
 ; REQUIRES: asserts
-; RUN: llc -verify-dom-info %s
+; RUN: llc -o /dev/null -verify-dom-info %s
 
 target triple = "x86_64-unknown-linux-gnu"