Add target triple so test doesn't fail on Windows machines.

llvm-svn: 131439

llvm/test/CodeGen/X86/hoist-common.ll

-; RUN: llc < %s -march=x86-64  | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-macosx  | FileCheck %s
 
 ; Common "xorb al, al" instruction in the two successor blocks should be
 ; moved to the entry block above the test + je.